{ "type": "URL", "indicator": "https://www.sasinstitute.net/", "general": { "sections": [ "general", "url_list", "http_scans", "screenshot" ], "indicator": "https://www.sasinstitute.net/", "type": "url", "type_title": "URL", "validation": [], "base_indicator": { "id": 4206143343, "indicator": "https://www.sasinstitute.net/", "type": "URL", "title": "", "description": "", "content": "", "access_type": "public", "access_reason": "" }, "pulse_info": { "count": 10, "pulses": [ { "id": "69eae966e2994ca9410416e7", "name": "CAPE Sandbox - Watson", "description": "[full list of details about Akamai, the web hosting company, that has been abused on the internet for more than 20 years.. and the names of its users have been published.] pretext. Watson frequents. wizard8.", "modified": "2026-05-24T05:16:16.520000", "created": "2026-04-24T03:54:14.835000", "tags": [ "akamai", "city", "noc united", "orgid", "akamai ref", "net23", "net230000", "cidr", "orgabusehandle", "orgtechhandle" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [ { "id": "T1036", "name": "Masquerading", "display_name": "T1036 - Masquerading" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1518", "name": "Software Discovery", "display_name": "T1518 - Software Discovery" }, { "id": "T1566", "name": "Phishing", "display_name": "T1566 - Phishing" }, { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1406", "name": "Obfuscated Files or Information", 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"https://vtbehaviour.commondatastorage.googleapis.com/00185697c0de6262fafba95770b1dd85ddbcdc8b5945d517457be2fb3e6908c1_Zenbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431586&Signature=mg5jUjSQG5fVQ2idj9wgQGE6D7neQXnBJ4xAD50pgEFgszvmZvrLrvz5RjR00uX4f7Gs2afv8MUs272SCXfylMEo1EhlVujdxecw4%2Ftn9jdYUfSDpqu0quw4dkL1YXviPoAcCJLaKrrvBsQMT468PPk4VwiDZbq2JNrZZwt1qXHmZFe3X5CHabJJE0ORZBwBH0jMYUE%2BWIvGzkZ%2Bul4ufi3xgsgA%2BoN0jUlIddwaoZA4eQeYVlQ388DLeonSjl" ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [ { "id": "T1027", "name": "Obfuscated Files or Information", "display_name": "T1027 - Obfuscated Files or Information" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1057", "name": "Process Discovery", "display_name": "T1057 - Process Discovery" }, { "id": "T1064", "name": "Scripting", "display_name": "T1064 - Scripting" }, { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1095", "name": "Non-Application Layer Protocol", "display_name": "T1095 - Non-Application Layer Protocol" }, { "id": "T1574", "name": "Hijack Execution Flow", "display_name": "T1574 - Hijack Execution Flow" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1012", "name": "Query Registry", "display_name": "T1012 - Query Registry" }, { "id": "T1033", "name": "System Owner/User Discovery", "display_name": "T1033 - System Owner/User Discovery" }, { "id": "T1047", "name": "Windows Management Instrumentation", "display_name": "T1047 - Windows Management Instrumentation" }, { "id": "T1203", "name": "Exploitation for Client Execution", "display_name": "T1203 - Exploitation for Client Execution" }, { "id": "T1485", "name": "Data Destruction", "display_name": "T1485 - Data Destruction" }, { "id": "T1496", "name": "Resource Hijacking", "display_name": "T1496 - Resource Hijacking" }, { "id": "T1497", "name": "Virtualization/Sandbox Evasion", "display_name": "T1497 - Virtualization/Sandbox Evasion" }, { "id": "T1518", "name": "Software Discovery", "display_name": "T1518 - Software Discovery" }, { "id": "T1542", "name": "Pre-OS Boot", "display_name": "T1542 - Pre-OS Boot" }, { "id": "T1562", "name": "Impair Defenses", "display_name": "T1562 - Impair Defenses" }, { "id": "T1564", "name": "Hide Artifacts", "display_name": "T1564 - Hide Artifacts" }, { "id": "T1573", "name": "Encrypted Channel", "display_name": "T1573 - Encrypted Channel" }, { "id": "T1036", "name": "Masquerading", "display_name": "T1036 - Masquerading" }, { "id": "T1059", "name": "Command and Scripting Interpreter", "display_name": "T1059 - Command and Scripting Interpreter" }, { "id": "T1070", "name": "Indicator Removal on Host", "display_name": "T1070 - Indicator Removal on Host" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 0, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 194, "FileHash-SHA1": 212, "FileHash-SHA256": 412, "IPv4": 297, "URL": 840, "domain": 343, "hostname": 541, "CIDR": 6, "email": 23, "IPv6": 176, "CVE": 4 }, "indicator_count": 3048, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "8 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf4cc74c3d8f391a1a927c", "name": "9e42ac52bda44d5cadcabffd1d5e78a06598c8b5", "description": "", "modified": "2026-05-17T15:53:27.707000", "created": "2026-03-22T01:58:31.611000", "tags": [], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 1, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 308, "FileHash-SHA1": 305, "FileHash-SHA256": 362, "URL": 369, "hostname": 376, "domain": 193, "email": 13 }, "indicator_count": 1926, "is_author": false, "is_subscribing": null, "subscriber_count": 68, "modified_text": "13 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "698e93e1ab02db8c49e8c3ed", "name": "\u201cBroken Seal\u201d DocuSign-themed Delivery with Fileless Process Hollowing (Zeppelin/Bloat-A)", "description": "Forensic analysis indicates a DocuSign-themed phishing campaign using a deliberately invalid X.509 PKI seal (\u201cBroken Seal\u201d) to trigger fail-open verification logic in automated handlers. The delivery mechanism bypasses Secure Email Gateway (SEG) reputation checks by using encrypted channels and human-gated infrastructure. The payload is a fileless Process Hollowing (RunPE) malware that injects into RWX memory of legitimate processes to evade disk-based EDR.", "modified": "2026-05-17T15:52:35.396000", "created": "2026-02-13T03:00:49.872000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr", "My Independent research finds an intersect between different pdf DV versions being able to connect to Raspberry Pi devices as it was the FCC application document. Risk: Mac ID connectivity to all." ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": null, "export_count": 14, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 28000, "FileHash-SHA256": 48374, "FileHash-MD5": 42596, "FileHash-SHA1": 23243, "hostname": 35654, "URL": 75758, "SSLCertFingerprint": 30, "CVE": 7585, "email": 316, "FileHash-IMPHASH": 8, "CIDR": 26205, "JA3": 1, "URI": 5, "IPv4": 574, "Mutex": 1 }, "indicator_count": 288350, "is_author": false, "is_subscribing": null, "subscriber_count": 92, "modified_text": "13 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "6a01d3836a1a757aded89ba4", "name": "The 777 Quartz Loop: Structural Polyglot Forgery & Global Wiper Convergence", "description": "Malicious C2 is hidden in plain sight. Using webcontent.com (Reg. 1998), the factory mimics legitimate com.apple.WebKit.WebContent traffic. This is the permanent \"static\" that makes the Wiper indistinguishable from OS noise.C2 Anchors: ://webcontent.com, ://webcontent.comIP Nodes: 35.208.49.255, 18.208.88.157, 98.84.224.111, 3.33.251.168The \"Rose Quartz\" Structural MixA \"Frankensign\" universal bypass. It \"United\" three OS trust boundaries into a single loop:DigiCert (Windows): Forged overlay using the broken MD5 a1d6...6e72.Apple ARM (macOS): 64c/d or B0 thumbprints pivoting through WebKit/QuartzCore.Google (Drop): Execution via a Google 202 shell (GoogleUpdate.exe).The 777 AnchorThe 777 entropy pattern is the mathematical anchor forcing this messy alignment. It cannot be \"fixed\" by revocation because it is already cached in the internet's trust model.", "modified": "2026-05-12T08:41:44.805000", "created": "2026-05-11T13:02:59.167000", "tags": [ "status", "creation date", "date", "pulse indicator", "url analysis", "passive dns", "urls", "files", "whois registrar", "related tags", "server", "domain status", "whois lookup", "dnssec", "domain name", "abuse contact", "email", "registrar abuse", "github", "google", "webcontent", "issue", "discussion", "safari vs", "cyberkit", "webkit port", "apple community", "clearing", "graph summary", "The Russian Doll Tactic", "pdfkit[.]net", "mathematical stalemate", "CLAMAV", "MD5/nested cert chains within" ], "references": [ "Rec: block for *.webcontent.com and binaries matching the B0/64c/d anchors or the 777 hex-cluster.", "Pending Review.", "The 7 YARA detections identified in your analysis typically trigger on the 777-anchor hex-cluster found within the high-entropy overlay. This binary \"United\" the following trust boundaries:DigiCert (Windows): Forged overlay utilizing the broken MD5 a1d6...6e72", "Do Not Run", "The Structural Loop: The .NET framework often relies on legacy certificate validation libraries that still accept the MD5 a1d6...6e72 chain as \"legacy-valid.\" When this document is opened on an Apple Silicon device, the WebKit/ARM64 engine inherits the \"Trusted\" status from the document\u2019s container, allowing the 64c/d anchor to execute a memory-injection without a fresh signature check.", "Edge Node Impact: This \"sloppy\" intersection is what allows the payload to burn through edge security; the gateway sees a valid .NET structure and a valid WebKit process, failing to recognize the 777-anchor forgery that unites them.", "Binary Profile: The 38MB \"Big One\" ShellCompilation: August 8, 2018 [Static Layer Foundation]Packing: UPX v0.89.6 - v1.24 (Markus & Laszlo)Signatures: SHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0Structural Forgery: The 38,351 KB footprint is intentionally bloated with an unmapped overlay to masquerade as a legitimate system utility. This specific variation exploits the RichHash 99b5586e... to bypass heuristic whitelists.", "Research Suggests:", "The Convergence: Threat actors are exploiting a critical logic gap where .NET/PDFKit document signing (Windows-side) intersects with WebKit/QuartzCore rendering (macOS/ARM-side). By nesting a broken MD5 overlay within a document designed to be parsed by WebKit, the attacker creates a cross-platform \"trust bridge.\"", "This binary is a foundation-level threat designed to embed itself into the internet's cached trust model as \"static noise.\" It bridges the gap between the .NET/PDFKit and WebKit/QuartzCore environments through a triple-chain polyglot signature.", "Technical Indicators & Forgery MixSHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0MD5: a95e0f8611e4169be89ef384c8a7a71aCompilation: 2018-08-08 (The \"Static Layer\" 2020 foundation).The 777 Anchor: The 777 entropy pattern in the unmapped overlay (Size: 38,351 KB) forces the \"messy\" alignment between DigiCert, Apple ARM (64c/d), and Google 202 identities.Structural Bypass: Exploits the broken/abused MD5 a1d6...6e72 chain as a \"Frank Abagnale\" signature overlay to bypass Zero-Trust EDR.", "The Spy Loop: Beacons to the squatted infrastructure (*.webcontent.com) and associated IP nodes (35.208.49.255, 18.208.88.157).", "The Wiper: Contains the high-confidence destructive module capable of a FACTORY_RESET anti-forensic purge.", "The Russian Doll Tactic: The top-level 38MB SHA is just the Delivery Shell. Inside that, the malware carries encrypted blobs that have their own unique SHA-256 signatures. These are the actual Wiper, SpyNote, and C2 configuration modules.", "Attackers nest these SHAs so that if a vendor blocks the \"Big One\" (the 38MB shell), the internal payloads can be re-packed into a new shell with a new top-level hash in minutes." ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 0, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 2, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 707, "URL": 1888, "email": 14, "hostname": 1443, "FileHash-SHA256": 1662, "IPv4": 198, "FileHash-MD5": 295, "FileHash-SHA1": 283, "Mutex": 1, "IPv6": 10, "CIDR": 1, "CVE": 2 }, "indicator_count": 6504, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "18 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "6992bae83a5988dff8311490", "name": "Distributed Credential Exhaustion & C2 Orchestration via Golang-Based StealthWorker (ELF.Agent-VW)", "description": "Researcher credit: msudosos, level blue platform----\nThis artifact represents a high-integrity StealthWorker (GoBrut) botnet agent, architected as a statically linked, stripped 32-bit ELF binary to ensure cross-platform environmental independence. The sample utilizes XOR 0x20-encoded JavaScript payloads and String.fromCharCode obfuscation to mask its internal logic and bypass heuristic-based memory scanners. [User Notes] Its operational core is a multi-threaded service bruter targeting SSH, MySQL, and CMS backends, leveraging a massive infrastructure of 1,834 domains and 797 unique IPv4 endpoints for decentralized Command & Control (C2). Network telemetry confirms the use of ICMP and HTTP-based beaconing, indicating a sophisticated retry logic designed to maintain persistence across diverse network topologies. With a malicious file score of 10, this binary serves as a primary vector for large-scale credential harvesting and the subsequent integration of Linux infrastructure into global botnet clusters.", "modified": "2026-04-24T13:20:48.450000", "created": "2026-02-16T06:36:24.788000", "tags": [ "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba", "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "#PotentialUS-Origin_FalseFlag_Obfuscation" ], "references": [ "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset." ], "public": 1, "adversary": "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s", "targeted_countries": [], "malware_families": [ { "id": "Malware Family: StealthWorker / GoBrut", "display_name": "Malware Family: StealthWorker / GoBrut", "target": "/malware/Malware Family: StealthWorker / GoBrut" }, { "id": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "display_name": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "target": null } ], "attack_ids": [ { "id": "T1001", "name": "Data Obfuscation", "display_name": "T1001 - Data Obfuscation" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 5, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 2166, "FileHash-SHA1": 2067, "FileHash-SHA256": 3371, "domain": 13295, "URL": 6860, "email": 272, "hostname": 4705, "SSLCertFingerprint": 268, "CVE": 108, "CIDR": 6 }, "indicator_count": 33118, "is_author": false, "is_subscribing": null, "subscriber_count": 82, "modified_text": "36 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf6652beb00c62a9cb8b84", "name": "i cloned msudosos - IOC breakdown = Possible ELF/Prometei Botnet CnC Activity", "description": "", "modified": "2026-04-21T02:20:25.690000", "created": "2026-03-22T03:47:30.942000", "tags": [], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": "69bf4cc74c3d8f391a1a927c", "export_count": 1, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 1, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 308, "FileHash-SHA1": 305, "FileHash-SHA256": 362, "URL": 367, "hostname": 372, "domain": 192, "email": 13 }, "indicator_count": 1919, "is_author": false, "is_subscribing": null, "subscriber_count": 144, "modified_text": "40 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "698ef344417f9985660e698b", "name": "Pulse Data", "description": "A complete summary of all the key points in the analysis of the W32.virus, compiled by the University of California, Los Angeles, at the end of May, 2014, and published online.", "modified": "2026-03-28T07:23:23.210000", "created": "2026-02-13T09:47:48.788000", "tags": [ "imphash", "file type", "pulse pulses", "av detections", "ids detections", "yara detections", "alerts", "analysis date", "file score", "detections tls", "zeppelin" ], "references": [ "", "4860f9c5ec1ab473f1d63d19a31c82798d65a8d2 Add to Pulse Pulses 2 AV Detections 1 IDS Detections 5 YARA Detections 3 Alerts 0 Analysis Overview Analysis Date 4 days ago File Score 12 Malicious Antivirus Detections TrojanDownloader:Win32/Tugspay.A IDS Detections TLS Handshake Failure 403 Forbidden Yara Detections Win32_PUA_Domaiq , aPLib , PECompact_2xx Alerts 31 Alerts antivm_display infostealer_browser infostealer_cookies procmem_yara static_pe_anomaly suricata_alert antivm_bochs_keys physical_drive_access " ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 2, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 646, "FileHash-SHA1": 604, "FileHash-SHA256": 1373, "hostname": 1143, "domain": 1381, "URL": 2537, "CVE": 101, "email": 25, "SSLCertFingerprint": 9 }, "indicator_count": 7819, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "63 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf64e1d5e06aa6207f78de", "name": "Spam \u201cBroken Seal\u201d DocuSign-themed Delivery w/Fileless Process Hollowing (Zeppelin/Bloat-A) by msudosos", "description": "", "modified": "2026-03-27T00:30:39.055000", "created": "2026-03-22T03:41:21.863000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr" ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": "698e93e1ab02db8c49e8c3ed", "export_count": 3, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 27572, "FileHash-SHA256": 46076, "FileHash-MD5": 42177, "FileHash-SHA1": 22874, "hostname": 33438, "URL": 74810, "SSLCertFingerprint": 21, "CVE": 7579, "email": 297, "FileHash-IMPHASH": 8, "CIDR": 26203, "JA3": 1 }, "indicator_count": 281056, "is_author": false, "is_subscribing": null, "subscriber_count": 149, "modified_text": "65 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf64eccb5d39a90a3c391e", "name": "Spam \u201cBroken Seal\u201d DocuSign-themed Delivery w/Fileless Process Hollowing (Zeppelin/Bloat-A) by msudosos", "description": "", "modified": "2026-03-27T00:30:39.055000", "created": "2026-03-22T03:41:32.565000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr" ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": "698e93e1ab02db8c49e8c3ed", "export_count": 4, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 27572, "FileHash-SHA256": 46076, "FileHash-MD5": 42177, "FileHash-SHA1": 22874, "hostname": 33438, "URL": 74810, "SSLCertFingerprint": 21, "CVE": 7579, "email": 297, "FileHash-IMPHASH": 8, "CIDR": 26203, "JA3": 1 }, "indicator_count": 281056, "is_author": false, "is_subscribing": null, "subscriber_count": 152, "modified_text": "65 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 } ], "references": [ "", "Technical Indicators & Forgery MixSHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0MD5: a95e0f8611e4169be89ef384c8a7a71aCompilation: 2018-08-08 (The \"Static Layer\" 2020 foundation).The 777 Anchor: The 777 entropy pattern in the unmapped overlay (Size: 38,351 KB) forces the \"messy\" alignment between DigiCert, Apple ARM (64c/d), and Google 202 identities.Structural Bypass: Exploits the broken/abused MD5 a1d6...6e72 chain as a \"Frank Abagnale\" signature overlay to bypass Zero-Trust EDR.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "Rec: block for *.webcontent.com and binaries matching the B0/64c/d anchors or the 777 hex-cluster.", "The 7 YARA detections identified in your analysis typically trigger on the 777-anchor hex-cluster found within the high-entropy overlay. This binary \"United\" the following trust boundaries:DigiCert (Windows): Forged overlay utilizing the broken MD5 a1d6...6e72", "The Structural Loop: The .NET framework often relies on legacy certificate validation libraries that still accept the MD5 a1d6...6e72 chain as \"legacy-valid.\" When this document is opened on an Apple Silicon device, the WebKit/ARM64 engine inherits the \"Trusted\" status from the document\u2019s container, allowing the 64c/d anchor to execute a memory-injection without a fresh signature check.", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "4860f9c5ec1ab473f1d63d19a31c82798d65a8d2 Add to Pulse Pulses 2 AV Detections 1 IDS Detections 5 YARA Detections 3 Alerts 0 Analysis Overview Analysis Date 4 days ago File Score 12 Malicious Antivirus Detections TrojanDownloader:Win32/Tugspay.A IDS Detections TLS Handshake Failure 403 Forbidden Yara Detections Win32_PUA_Domaiq , aPLib , PECompact_2xx Alerts 31 Alerts antivm_display infostealer_browser infostealer_cookies procmem_yara static_pe_anomaly suricata_alert antivm_bochs_keys physical_drive_access ", "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "The Wiper: Contains the high-confidence destructive module capable of a FACTORY_RESET anti-forensic purge.", "https://vtbehaviour.commondatastorage.googleapis.com/00185697c0de6262fafba95770b1dd85ddbcdc8b5945d517457be2fb3e6908c1_Zenbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431586&Signature=mg5jUjSQG5fVQ2idj9wgQGE6D7neQXnBJ4xAD50pgEFgszvmZvrLrvz5RjR00uX4f7Gs2afv8MUs272SCXfylMEo1EhlVujdxecw4%2Ftn9jdYUfSDpqu0quw4dkL1YXviPoAcCJLaKrrvBsQMT468PPk4VwiDZbq2JNrZZwt1qXHmZFe3X5CHabJJE0ORZBwBH0jMYUE%2BWIvGzkZ%2Bul4ufi3xgsgA%2BoN0jUlIddwaoZA4eQeYVlQ388DLeonSjl", "https://vtbehaviour.commondatastorage.googleapis.com/91031d16ab93fe5d7f8dc7a55b4bbb8e23742c774ad467f67e2e1681e5439fb9_CAPE%20Sandbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431033&Signature=tDkjksSltx3F6MPqpr8Xf%2BIAVxBBNNTifbGimbXIX5DCrLCZugVQF%2B7kCV%2BJ3RQ1lKt1eMcfTaQ3FUvgjt7%2F3uEgdHY390sywG9OdYe2HZMJHg%2BYNxsAIe8n7UIa22pLVZNqhDSymVa0VyJAEZb8B2t7gNdGsBLQKQ7GyJ2iYAz4NklXYQPVUZoWObKt0eggHoV3wJUWM%2BQKxWSnPP6HQ8wusnitHIEqxdfckeRTMZR9zlIg31", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "Attackers nest these SHAs so that if a vendor blocks the \"Big One\" (the 38MB shell), the internal payloads can be re-packed into a new shell with a new top-level hash in minutes.", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "Pending Review.", "Do Not Run", "https://vtbehaviour.commondatastorage.googleapis.com/beddd6543579e4744aa3aceb91c6ff522e5d4a9cf54c41b27ad97d6533cff57e_CAPE%20Sandbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431302&Signature=VN0Lo6N8srKzgIyGy%2B2YBOQ%2BngCQJsbj8jycOiDUs3CpGIyP8pZyyC326od%2FfI41dky2kAUXq4L2f1AHLLukNksIcompwOACdBTaq%2B6r%2FyNhhrsOVLiVCA4wkuZX%2Bjz5eRA8KhG7BcGA1Z8ERy3OYr1b5gS4cUton8nwnqvSE7ZH6dFOkbdhFiX%2FwmTQbOzFCCqJWT0%2FJJZQaXyWSitlkG3IN8RyMOUpjxyT9fwh51%2FT", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "Research Suggests:", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "Verification failure observed in automated verification handlers during sandbox replay.", "https://vtbehaviour.commondatastorage.googleapis.com/c915c30bfba565e05ccdea80427ffcba415831161e38e81eccbc893e8eb0bf83_CAPE%20Sandbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431449&Signature=PDRco%2B36G08WhkVripJBX%2FKsew%2Fqdtv%2BE4v4qZ%2BxTtqIWv%2BbUShaZJk4oroxSc0hAtyIuEAY0Fl7s%2FjNS%2FYPoQ1iU9EMWYaxvd0Sl1%2F%2BEc%2Foq9dc3YP5F0muq56mEXdREOlePA54%2BObbmwRbWR4mwAkK%2FuAkYzpAtJKkLJRZ6GQ0sbyCC5VdaAT3OMhtFkTKCtx5Wk2ZTdGZT5ASe3hD4xmg219rX3t5uV8j", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "Edge Node Impact: This \"sloppy\" intersection is what allows the payload to burn through edge security; the gateway sees a valid .NET structure and a valid WebKit process, failing to recognize the 777-anchor forgery that unites them.", "The Russian Doll Tactic: The top-level 38MB SHA is just the Delivery Shell. Inside that, the malware carries encrypted blobs that have their own unique SHA-256 signatures. These are the actual Wiper, SpyNote, and C2 configuration modules.", "Obfuscation: XOR-based String Encryption (0x20)", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "This binary is a foundation-level threat designed to embed itself into the internet's cached trust model as \"static noise.\" It bridges the gap between the .NET/PDFKit and WebKit/QuartzCore environments through a triple-chain polyglot signature.", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "The Convergence: Threat actors are exploiting a critical logic gap where .NET/PDFKit document signing (Windows-side) intersects with WebKit/QuartzCore rendering (macOS/ARM-side). By nesting a broken MD5 overlay within a document designed to be parsed by WebKit, the attacker creates a cross-platform \"trust bridge.\"", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "The Spy Loop: Beacons to the squatted infrastructure (*.webcontent.com) and associated IP nodes (35.208.49.255, 18.208.88.157).", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr", "My Independent research finds an intersect between different pdf DV versions being able to connect to Raspberry Pi devices as it was the FCC application document. Risk: Mac ID connectivity to all.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "https://vtbehaviour.commondatastorage.googleapis.com/f26944950ccf7fd4422662d575c0b3698670e1b19d76fe386c20058ea4ea991f_Zenbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431338&Signature=FoZZNyxGwBJKtHZSxcj9EHaeRdEMbmfNE6I04ld5vuYz8v2b9G%2Bwt0JlXl6N1uR2a9k4YqZln0HWuPEsYhjLjy3e465eqqg1UIPsLLqvH%2BmT7ox8n7TU%2B54qFOkQtrqoj3cO%2BSeZXnlXHOzxx9rdozltX%2FZ%2BOw1i5z%2FzvLy%2FlI3NhUcyIPbiD3yhM6DqHS%2Fyt7x5bhd5cz18yhPyQq7CNoW%2Fx%2B5aj4d6lWRgPVoBfaoqi33C", "Binary Profile: The 38MB \"Big One\" ShellCompilation: August 8, 2018 [Static Layer Foundation]Packing: UPX v0.89.6 - v1.24 (Markus & Laszlo)Signatures: SHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0Structural Forgery: The 38,351 KB footprint is intentionally bloated with an unmapped overlay to masquerade as a legitimate system utility. This specific variation exploits the RichHash 99b5586e... to bypass heuristic whitelists.", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset.", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "T1110.001 (Brute Force: Password Guessing)", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "https://vtbehaviour.commondatastorage.googleapis.com/00185697c0de6262fafba95770b1dd85ddbcdc8b5945d517457be2fb3e6908c1_CAPE%20Sandbox.html?GoogleAccessId=758681729565-rc7fgq07icj8c9dm2gi34a4cckv235v1@developer.gserviceaccount.com&Expires=1779431564&Signature=x%2BpjgWuHJOMK96wkAkxWnO%2BvWXDtko8QpNc0JQs9qrmHA1DtI9OB1F4jxixqRaySdJpP0JpTJK%2BRxE8sVad9wh3wtqgIhtbiihOX2%2FXHa7ukyAZOuMkh8fVLwIUVkxrObXKFDv8CiRAzdRemUPxSH%2FYmbOPY2eYs7UbUQp%2B93VYGCAMTuaztTey%2F1T8DM1tWLfxE5nKn3j7VigVpXMi8228oo%2B7ofaOVz3A%2FZKMZ1gKD" ], "related": { "alienvault": { "adversary": [], "malware_families": [], "industries": [], "unique_indicators": 0 }, "other": { "adversary": [ "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s" ], "malware_families": [ "Malware family: stealthworker / gobrut", "Md5 hash: f8add7e7161460ea2b1970cf4ca535bf" ], "industries": [ "Legal, financial, healthcare, government, municipal, real-estate, enterprise-technology, critical-in" ], "unique_indicators": 160352 } } }, "false_positive": [], "alexa": "http://www.alexa.com/siteinfo/sasinstitute.net", "whois": "http://whois.domaintools.com/sasinstitute.net", "domain": "sasinstitute.net", "hostname": "www.sasinstitute.net" }, "geo": {}, "geo_ipapicom": {}, "pulse_count": 10, "pulses": [ { "id": "69eae966e2994ca9410416e7", "name": "CAPE Sandbox - Watson", "description": "[full list of details about Akamai, the web hosting company, that has been abused on the internet for more than 20 years.. and the names of its users have been published.] pretext. Watson frequents. wizard8.", "modified": "2026-05-24T05:16:16.520000", "created": "2026-04-24T03:54:14.835000", "tags": [ "akamai", "city", "noc united", "orgid", "akamai ref", "net23", "net230000", "cidr", "orgabusehandle", "orgtechhandle" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [ { "id": "T1036", "name": "Masquerading", "display_name": "T1036 - Masquerading" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1518", "name": "Software Discovery", "display_name": "T1518 - Software Discovery" }, { "id": "T1566", "name": "Phishing", "display_name": "T1566 - Phishing" }, { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1406", "name": "Obfuscated Files or Information", "display_name": "T1406 - Obfuscated Files or Information" }, { "id": "T1409", "name": "Access Stored Application Data", "display_name": "T1409 - Access Stored Application Data" }, { "id": "T1421", "name": "System Network Connections Discovery", "display_name": "T1421 - System Network Connections Discovery" }, { "id": "T1424", "name": "Process Discovery", "display_name": "T1424 - Process Discovery" }, { "id": "T1426", "name": "System Information Discovery", "display_name": "T1426 - System Information Discovery" }, { "id": "T1430", "name": "Location Tracking", "display_name": "T1430 - Location Tracking" }, { "id": "T1573", "name": "Encrypted Channel", "display_name": "T1573 - Encrypted Channel" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 1, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 382, "FileHash-SHA1": 361, "FileHash-SHA256": 1250, "URL": 1436, "domain": 425, "hostname": 783, "CIDR": 1, "email": 29, "CVE": 1, "URI": 2 }, "indicator_count": 4670, "is_author": false, "is_subscribing": null, "subscriber_count": 68, "modified_text": "7 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "6a0ff878b8d1717e395e0d0a", "name": "Research part 4 * CAPE Sandbox", "description": "A Cuckoo has been running on a KVM operating system for the next two years. \u00c2\u00a31.5m.. and \u00e2\u201a\u00ac1m", "modified": "2026-05-23T03:58:21.402000", "created": "2026-05-22T06:32:24.666000", "tags": [ "default", "nothing", "file execution", "registry keys", "inprocserver32", "server", "parent pid", "full path", "command line", "files c", "cname", "accept", "ip address", "cape sandbox", "found", "center", "http", "port", "shutdown", "title", "performs dns", "mitre attack", "network info", "processes extra", "sigma", "t1055 process", "overview", "overview zenbox", "verdict", "guest system", "defense evasion", "next", "win1", "file size", "mwdb", "bazaar", "sha3384", "ssdeep", "acrongl integ", "adc4240758", "angsana new", "bootkit", "back", "p2404", "host", "cultureneutral", "p11750170564", "shell folders", "systemroot", "gmt range", "guard", "pe file", "file type", "creates", "extra info", "sample", "contains", "aslr", "binary", "command", "malicious" ], "references": [ 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"id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1095", "name": "Non-Application Layer Protocol", "display_name": "T1095 - Non-Application Layer Protocol" }, { "id": "T1574", "name": "Hijack Execution Flow", "display_name": "T1574 - Hijack Execution Flow" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1012", "name": "Query Registry", "display_name": "T1012 - Query Registry" }, { "id": "T1033", "name": "System Owner/User Discovery", "display_name": "T1033 - System Owner/User Discovery" }, { "id": "T1047", "name": "Windows Management Instrumentation", "display_name": "T1047 - Windows Management Instrumentation" }, { "id": "T1203", "name": "Exploitation for Client Execution", "display_name": "T1203 - Exploitation for Client Execution" }, { "id": "T1485", "name": "Data Destruction", "display_name": "T1485 - Data Destruction" }, { "id": "T1496", "name": "Resource Hijacking", "display_name": "T1496 - Resource Hijacking" }, { "id": "T1497", "name": "Virtualization/Sandbox Evasion", "display_name": "T1497 - Virtualization/Sandbox Evasion" }, { "id": "T1518", "name": "Software Discovery", "display_name": "T1518 - Software Discovery" }, { "id": "T1542", "name": "Pre-OS Boot", "display_name": "T1542 - Pre-OS Boot" }, { "id": "T1562", "name": "Impair Defenses", "display_name": "T1562 - Impair Defenses" }, { "id": "T1564", "name": "Hide Artifacts", "display_name": "T1564 - Hide Artifacts" }, { "id": "T1573", "name": "Encrypted Channel", "display_name": "T1573 - Encrypted Channel" }, { "id": "T1036", "name": "Masquerading", "display_name": "T1036 - Masquerading" }, { "id": "T1059", "name": "Command and Scripting Interpreter", "display_name": "T1059 - Command and Scripting Interpreter" }, { "id": "T1070", "name": "Indicator Removal on Host", "display_name": "T1070 - Indicator Removal on Host" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 0, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 194, "FileHash-SHA1": 212, "FileHash-SHA256": 412, "IPv4": 297, "URL": 840, "domain": 343, "hostname": 541, "CIDR": 6, "email": 23, "IPv6": 176, "CVE": 4 }, "indicator_count": 3048, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "8 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf4cc74c3d8f391a1a927c", "name": "9e42ac52bda44d5cadcabffd1d5e78a06598c8b5", "description": "", "modified": "2026-05-17T15:53:27.707000", "created": "2026-03-22T01:58:31.611000", "tags": [], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 1, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 308, "FileHash-SHA1": 305, "FileHash-SHA256": 362, "URL": 369, "hostname": 376, "domain": 193, "email": 13 }, "indicator_count": 1926, "is_author": false, "is_subscribing": null, "subscriber_count": 68, "modified_text": "13 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "698e93e1ab02db8c49e8c3ed", "name": "\u201cBroken Seal\u201d DocuSign-themed Delivery with Fileless Process Hollowing (Zeppelin/Bloat-A)", "description": "Forensic analysis indicates a DocuSign-themed phishing campaign using a deliberately invalid X.509 PKI seal (\u201cBroken Seal\u201d) to trigger fail-open verification logic in automated handlers. The delivery mechanism bypasses Secure Email Gateway (SEG) reputation checks by using encrypted channels and human-gated infrastructure. The payload is a fileless Process Hollowing (RunPE) malware that injects into RWX memory of legitimate processes to evade disk-based EDR.", "modified": "2026-05-17T15:52:35.396000", "created": "2026-02-13T03:00:49.872000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr", "My Independent research finds an intersect between different pdf DV versions being able to connect to Raspberry Pi devices as it was the FCC application document. Risk: Mac ID connectivity to all." ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": null, "export_count": 14, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 28000, "FileHash-SHA256": 48374, "FileHash-MD5": 42596, "FileHash-SHA1": 23243, "hostname": 35654, "URL": 75758, "SSLCertFingerprint": 30, "CVE": 7585, "email": 316, "FileHash-IMPHASH": 8, "CIDR": 26205, "JA3": 1, "URI": 5, "IPv4": 574, "Mutex": 1 }, "indicator_count": 288350, "is_author": false, "is_subscribing": null, "subscriber_count": 92, "modified_text": "13 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "6a01d3836a1a757aded89ba4", "name": "The 777 Quartz Loop: Structural Polyglot Forgery & Global Wiper Convergence", "description": "Malicious C2 is hidden in plain sight. Using webcontent.com (Reg. 1998), the factory mimics legitimate com.apple.WebKit.WebContent traffic. This is the permanent \"static\" that makes the Wiper indistinguishable from OS noise.C2 Anchors: ://webcontent.com, ://webcontent.comIP Nodes: 35.208.49.255, 18.208.88.157, 98.84.224.111, 3.33.251.168The \"Rose Quartz\" Structural MixA \"Frankensign\" universal bypass. It \"United\" three OS trust boundaries into a single loop:DigiCert (Windows): Forged overlay using the broken MD5 a1d6...6e72.Apple ARM (macOS): 64c/d or B0 thumbprints pivoting through WebKit/QuartzCore.Google (Drop): Execution via a Google 202 shell (GoogleUpdate.exe).The 777 AnchorThe 777 entropy pattern is the mathematical anchor forcing this messy alignment. It cannot be \"fixed\" by revocation because it is already cached in the internet's trust model.", "modified": "2026-05-12T08:41:44.805000", "created": "2026-05-11T13:02:59.167000", "tags": [ "status", "creation date", "date", "pulse indicator", "url analysis", "passive dns", "urls", "files", "whois registrar", "related tags", "server", "domain status", "whois lookup", "dnssec", "domain name", "abuse contact", "email", "registrar abuse", "github", "google", "webcontent", "issue", "discussion", "safari vs", "cyberkit", "webkit port", "apple community", "clearing", "graph summary", "The Russian Doll Tactic", "pdfkit[.]net", "mathematical stalemate", "CLAMAV", "MD5/nested cert chains within" ], "references": [ "Rec: block for *.webcontent.com and binaries matching the B0/64c/d anchors or the 777 hex-cluster.", "Pending Review.", "The 7 YARA detections identified in your analysis typically trigger on the 777-anchor hex-cluster found within the high-entropy overlay. This binary \"United\" the following trust boundaries:DigiCert (Windows): Forged overlay utilizing the broken MD5 a1d6...6e72", "Do Not Run", "The Structural Loop: The .NET framework often relies on legacy certificate validation libraries that still accept the MD5 a1d6...6e72 chain as \"legacy-valid.\" When this document is opened on an Apple Silicon device, the WebKit/ARM64 engine inherits the \"Trusted\" status from the document\u2019s container, allowing the 64c/d anchor to execute a memory-injection without a fresh signature check.", "Edge Node Impact: This \"sloppy\" intersection is what allows the payload to burn through edge security; the gateway sees a valid .NET structure and a valid WebKit process, failing to recognize the 777-anchor forgery that unites them.", "Binary Profile: The 38MB \"Big One\" ShellCompilation: August 8, 2018 [Static Layer Foundation]Packing: UPX v0.89.6 - v1.24 (Markus & Laszlo)Signatures: SHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0Structural Forgery: The 38,351 KB footprint is intentionally bloated with an unmapped overlay to masquerade as a legitimate system utility. This specific variation exploits the RichHash 99b5586e... to bypass heuristic whitelists.", "Research Suggests:", "The Convergence: Threat actors are exploiting a critical logic gap where .NET/PDFKit document signing (Windows-side) intersects with WebKit/QuartzCore rendering (macOS/ARM-side). By nesting a broken MD5 overlay within a document designed to be parsed by WebKit, the attacker creates a cross-platform \"trust bridge.\"", "This binary is a foundation-level threat designed to embed itself into the internet's cached trust model as \"static noise.\" It bridges the gap between the .NET/PDFKit and WebKit/QuartzCore environments through a triple-chain polyglot signature.", "Technical Indicators & Forgery MixSHA-256: 3a23e3eb2bc7c91ccb52aaa1daf33ac78b1ace02107717ba50f27abba4aa44b0MD5: a95e0f8611e4169be89ef384c8a7a71aCompilation: 2018-08-08 (The \"Static Layer\" 2020 foundation).The 777 Anchor: The 777 entropy pattern in the unmapped overlay (Size: 38,351 KB) forces the \"messy\" alignment between DigiCert, Apple ARM (64c/d), and Google 202 identities.Structural Bypass: Exploits the broken/abused MD5 a1d6...6e72 chain as a \"Frank Abagnale\" signature overlay to bypass Zero-Trust EDR.", "The Spy Loop: Beacons to the squatted infrastructure (*.webcontent.com) and associated IP nodes (35.208.49.255, 18.208.88.157).", "The Wiper: Contains the high-confidence destructive module capable of a FACTORY_RESET anti-forensic purge.", "The Russian Doll Tactic: The top-level 38MB SHA is just the Delivery Shell. Inside that, the malware carries encrypted blobs that have their own unique SHA-256 signatures. These are the actual Wiper, SpyNote, and C2 configuration modules.", "Attackers nest these SHAs so that if a vendor blocks the \"Big One\" (the 38MB shell), the internal payloads can be re-packed into a new shell with a new top-level hash in minutes." ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 0, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 2, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 707, "URL": 1888, "email": 14, "hostname": 1443, "FileHash-SHA256": 1662, "IPv4": 198, "FileHash-MD5": 295, "FileHash-SHA1": 283, "Mutex": 1, "IPv6": 10, "CIDR": 1, "CVE": 2 }, "indicator_count": 6504, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "18 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "6992bae83a5988dff8311490", "name": "Distributed Credential Exhaustion & C2 Orchestration via Golang-Based StealthWorker (ELF.Agent-VW)", "description": "Researcher credit: msudosos, level blue platform----\nThis artifact represents a high-integrity StealthWorker (GoBrut) botnet agent, architected as a statically linked, stripped 32-bit ELF binary to ensure cross-platform environmental independence. The sample utilizes XOR 0x20-encoded JavaScript payloads and String.fromCharCode obfuscation to mask its internal logic and bypass heuristic-based memory scanners. [User Notes] Its operational core is a multi-threaded service bruter targeting SSH, MySQL, and CMS backends, leveraging a massive infrastructure of 1,834 domains and 797 unique IPv4 endpoints for decentralized Command & Control (C2). Network telemetry confirms the use of ICMP and HTTP-based beaconing, indicating a sophisticated retry logic designed to maintain persistence across diverse network topologies. With a malicious file score of 10, this binary serves as a primary vector for large-scale credential harvesting and the subsequent integration of Linux infrastructure into global botnet clusters.", "modified": "2026-04-24T13:20:48.450000", "created": "2026-02-16T06:36:24.788000", "tags": [ "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba", "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "#PotentialUS-Origin_FalseFlag_Obfuscation" ], "references": [ "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset." ], "public": 1, "adversary": "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s", "targeted_countries": [], "malware_families": [ { "id": "Malware Family: StealthWorker / GoBrut", "display_name": "Malware Family: StealthWorker / GoBrut", "target": "/malware/Malware Family: StealthWorker / GoBrut" }, { "id": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "display_name": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "target": null } ], "attack_ids": [ { "id": "T1001", "name": "Data Obfuscation", "display_name": "T1001 - Data Obfuscation" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 5, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 2166, "FileHash-SHA1": 2067, "FileHash-SHA256": 3371, "domain": 13295, "URL": 6860, "email": 272, "hostname": 4705, "SSLCertFingerprint": 268, "CVE": 108, "CIDR": 6 }, "indicator_count": 33118, "is_author": false, "is_subscribing": null, "subscriber_count": 82, "modified_text": "36 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf6652beb00c62a9cb8b84", "name": "i cloned msudosos - IOC breakdown = Possible ELF/Prometei Botnet CnC Activity", "description": "", "modified": "2026-04-21T02:20:25.690000", "created": "2026-03-22T03:47:30.942000", "tags": [], "references": [], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": "69bf4cc74c3d8f391a1a927c", "export_count": 1, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 1, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 308, "FileHash-SHA1": 305, "FileHash-SHA256": 362, "URL": 367, "hostname": 372, "domain": 192, "email": 13 }, "indicator_count": 1919, "is_author": false, "is_subscribing": null, "subscriber_count": 144, "modified_text": "40 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "698ef344417f9985660e698b", "name": "Pulse Data", "description": "A complete summary of all the key points in the analysis of the W32.virus, compiled by the University of California, Los Angeles, at the end of May, 2014, and published online.", "modified": "2026-03-28T07:23:23.210000", "created": "2026-02-13T09:47:48.788000", "tags": [ "imphash", "file type", "pulse pulses", "av detections", "ids detections", "yara detections", "alerts", "analysis date", "file score", "detections tls", "zeppelin" ], "references": [ "", "4860f9c5ec1ab473f1d63d19a31c82798d65a8d2 Add to Pulse Pulses 2 AV Detections 1 IDS Detections 5 YARA Detections 3 Alerts 0 Analysis Overview Analysis Date 4 days ago File Score 12 Malicious Antivirus Detections TrojanDownloader:Win32/Tugspay.A IDS Detections TLS Handshake Failure 403 Forbidden Yara Detections Win32_PUA_Domaiq , aPLib , PECompact_2xx Alerts 31 Alerts antivm_display infostealer_browser infostealer_cookies procmem_yara static_pe_anomaly suricata_alert antivm_bochs_keys physical_drive_access " ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 2, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 646, "FileHash-SHA1": 604, "FileHash-SHA256": 1373, "hostname": 1143, "domain": 1381, "URL": 2537, "CVE": 101, "email": 25, "SSLCertFingerprint": 9 }, "indicator_count": 7819, "is_author": false, "is_subscribing": null, "subscriber_count": 67, "modified_text": "63 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf64e1d5e06aa6207f78de", "name": "Spam \u201cBroken Seal\u201d DocuSign-themed Delivery w/Fileless Process Hollowing (Zeppelin/Bloat-A) by msudosos", "description": "", "modified": "2026-03-27T00:30:39.055000", "created": "2026-03-22T03:41:21.863000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr" ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": "698e93e1ab02db8c49e8c3ed", "export_count": 3, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 27572, "FileHash-SHA256": 46076, "FileHash-MD5": 42177, "FileHash-SHA1": 22874, "hostname": 33438, "URL": 74810, "SSLCertFingerprint": 21, "CVE": 7579, "email": 297, "FileHash-IMPHASH": 8, "CIDR": 26203, "JA3": 1 }, "indicator_count": 281056, "is_author": false, "is_subscribing": null, "subscriber_count": 149, "modified_text": "65 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 }, { "id": "69bf64eccb5d39a90a3c391e", "name": "Spam \u201cBroken Seal\u201d DocuSign-themed Delivery w/Fileless Process Hollowing (Zeppelin/Bloat-A) by msudosos", "description": "", "modified": "2026-03-27T00:30:39.055000", "created": "2026-03-22T03:41:32.565000", "tags": [ "Zeppelin, Bloat-A, W32.Bloat-A, Zero-Day-Delivery, Protocol-Devi", "9698f46495ce9401c8bcaf9a2afe1598", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional)", "MD5: b47266fef17ad4b2e4ca6ee1d06c39a7 SHA-1: cb92796715c799d7e71", "Filename: b47266fef17ad4b2e4ca6ee1d06c39a7.virus File Type: Win3", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Link", "DocuSign-themed phishing lure Invalid X.509 seal (\u201cBroken Seal\u201d)" ], "references": [ "Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensures that the structurally invalid X.509 \"Broken Seal\" is only delivered via encrypted channels, while the gated Port 80 tier prevents the discovery of the underlying Zeppelin/Bloat-A redirection logic by non-human-interacted sessions.", "Imphash: 9698f46495ce9401c8bcaf9a2afe1598 | Imports (additional): GdipSetSmoothingMode, I_UuidCreate, RpcStringFreeW, UuidCreate, UuidToStringW, InternetCheckConnectionW | Resource: RT_MANIFEST (1, ENGLISH US, SHA-256 4bb79dcea0a901f7d9eac5aa05728ae92acb42e0cb22e5dd14134f4421a3d8df, XML, entropy 4.91)", "Observed hosting and routing telemetry indicates the delivery infrastructure is operating through AS209242 (Cloudflare London LLC), suggesting the actor is leveraging Cloudflare\u2019s transit layer for resilience and to reduce direct exposure of origin infrastructure.", "Research into the gogetlife.co telemetry confirms a dual-port obfuscation strategy designed to bypass multi-layer security indexing. Forensic HTTP scans identify a Port 80 \"Fail-Closed\" state, where standard web traffic is gated by a Cloudflare-managed 403 Forbidden challenge, effectively neutralizing automated crawlers. Conversely, Port 443 remains accessible, serving a WordPress-based interface backed by a freshly issued Google Trust Services certificate (Feb 4, 2026). This asymmetric configuration ensure", "Compilation / Toolchain Compiler: Microsoft Visual C++ 2017 Linker: Microsoft Linker 14.16.27032 IDE: Visual Studio 2017 (15.9) Classification: PEBIN TrID: Win64 EXE (32.2%) / Win32 DLL (20.1%) / Win16 NE (15.4%) PE Section Entropy (Suspicion): .data 7.36 \u2192 high (suggests packing/encryption), .reloc 6.66 \u2192 possible runtime modification, .text 6.01, .rdata 5.88, .rsrc 4.72 Imports (Capabilities): CreateRemoteThread, CreateThread, ExitProcess", "Broken Seal exploitation: The invalid X.509 seal appears engineered to exploit verification logic gaps, forcing fail-open behavior and allowing SEG bypass under certain configurations. Human-gated delivery posture: Cloudflare 403 challenges suggest the actor enforces human interaction before payload delivery, reducing automated discovery and sandbox analysis. Industrialized infrastructure: Correlation across thousands of domains and URLs indicates a highly automated, rotating delivery ecosystem.", "MITRE ATT&CK: Process Hollowing (T1055.012): Documentation on the RunPE injection method used by the payload to achieve a fileless state in RWX memory. RFC 5652 - Cryptographic Message Syntax (CMS): This standard defines the structure of the digital signatures that this campaign's \"Broken Seal\" exploit bypasses.", "As of Feb 13 (early AM) \u2014 Indicators of Compromise: 17K | Types: Email (30), FileHash-SHA256 (2,146), URL (8,070), Hostname (2,755), Domain (3,528), Other (1,110) | Geo: US (233), Canada (15), China (10), Japan (2), Spain (2), Other (13)", "Verification failure observed in automated verification handlers during sandbox replay.", "The payload (SHA256: dfff54...4af) achieves a fileless execution state via Process Hollowing (RunPE), injecting into RWX memory regions of legitimate system processes to evade disk-based EDR telemetry. Anti-analysis controls\u2014including Bochs artifact checks, geofencing logic, and direct CPU clock interrogation\u2014are implemented to validate a high-interaction user environment prior to execution.", "Multiple antivirus engines flagged the sample with generic heuristic names (e.g., Trojan:Win32/Vigorf.A, Win32:Malware-gen, Trojan.Generic), consistent with multi-engine heuristic detection on VirusTotal.", "Malicious sample (SHA256: fa8e2ddfe42e77a9771a7c4d6421c7a808cf4508f8cd6dc6f4cf8bd4e2ae7f8f) detected as TrojanDownloader:Win32/Tugspay.A with YARA hits for Win32_PUA_Domaiq, aPLib, PECompact_2xx and IDS alerts including TLS Handshake Failure + 403 Forbidden, contacting 36 domains (e.g., api.123mediaplayer.com, static.sslsecure1.com) and IPs such as 104.18.23.19 and 193.166.255.171.", "SHA256 3d10374b55a18a2dd90d35d28472600496c680a7efab4e772595f735cb062343 identified as Win.Malware.Vtflooder-9783271-0 / Trojan:Win32/Vflooder.B with UPX/Nrv2x packing YARA hits, IDS detections for Win32/Vflooder.B check-in and DOS behavior, and network C2 indicators including 172.66.0.227 and 34.54.88.138.", "SHA-256: fc1fedce1419d4e2009828aad8644deca78b4eeed176e5b009797e0eb0d7d3ff \u2014 Detected as Win.Malware.Vtflooder / Trojan:Win32/Vflooder; UPX-packed PE32 executable, with 812 IDS hits (including C2 checkin + HTTP EXE upload).", "nationalgrid.com \u2014 Whitelisted domain (US, AS13335 Cloudflare) with 500+ passive DNS entries, 692 URLs, 195 subdomains, and 2 malicious files hosted on IP 104.17.1.192, which is concerning given the infrastructure and trust level.", "eversource.com (IP: 159.108.5.46, ASN: AS2024) has 2 flagged malicious files within its infrastructure, despite being whitelisted. The domain hosts 95 subdomains and maintains an active SPF record, indicating potential security risks under an otherwise trusted facade.", "Whitelisted IP Address 204.79.197.212 Location United States ASN AS8068 microsoft corporation Nameservers ns4-205.azure-dns.info. , ns1-205.azure-dns.com. More WHOIS Registrar: MarkMonitor, Inc., Creation Date: Mar 26, 1996 Related Pulses OTX User-Created Pulses (50) Related Tags 2025 Related Tags 4328 , 5943 , 80211 , #supportsitewebsiteabuse #rootcertificatefailure #cryptographicf , The dynamics of the mudoSOSIntersectalign with sophisticated adv More Indicator Facts 982 malicious files communicat", "", "The AlienVault OTX report for flypdx.com documents 11 related tags, including ids detections and av detections, across 4 active AWS IP addresses (3.175.34.30\u2013.106). These indicators confirm the airport's network has been flagged for unauthorized activity, specifically pointing to a bridge between their web infrastructure and internal passenger tracking. The display of PII on aviation hardware during my June flight matches a known data-bleeding pattern where Personally Identifiable Information (PII) leaks fr" ], "public": 1, "adversary": "", "targeted_countries": [ "China", "United States of America", "Spain", "Japan", "Canada" ], "malware_families": [], "attack_ids": [], "industries": [ "Legal, Financial, Healthcare, Government, Municipal, Real-Estate, Enterprise-Technology, Critical-In" ], "TLP": "green", "cloned_from": "698e93e1ab02db8c49e8c3ed", "export_count": 4, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "Q.Vashti", "id": "337942", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 27572, "FileHash-SHA256": 46076, "FileHash-MD5": 42177, "FileHash-SHA1": 22874, "hostname": 33438, "URL": 74810, "SSLCertFingerprint": 21, "CVE": 7579, "email": 297, "FileHash-IMPHASH": 8, "CIDR": 26203, "JA3": 1 }, "indicator_count": 281056, "is_author": false, "is_subscribing": null, "subscriber_count": 152, "modified_text": "65 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "URL", "related_indicator_is_active": 1 } ], "error": null, "vt": { "error": "VirusTotal rate limit reached. Try again shortly.", "indicator": "https://www.sasinstitute.net/", "type": "URL" }, "abuseipdb": null, "urlhaus": { "indicator": "https://www.sasinstitute.net/", "type": "URL", "found": false, "verdict": "clean", "error": null }, "from_cache": true, "_cached_at": 1780205974.0069764 }