{ "type": "Domain", "indicator": "qualityplanning.com", "general": { "sections": [ "general", "geo", "url_list", "passive_dns", "malware", "whois", "http_scans" ], "whois": "http://whois.domaintools.com/qualityplanning.com", "alexa": "http://www.alexa.com/siteinfo/qualityplanning.com", "indicator": "qualityplanning.com", "type": "domain", "type_title": "Domain", "validation": [], "base_indicator": { "id": 3986634070, "indicator": "qualityplanning.com", "type": "domain", "title": "", "description": "", "content": "", "access_type": "public", "access_reason": "" }, "pulse_info": { "count": 4, "pulses": [ { "id": "69f2dc7e076cbfe2d0f7eb90", "name": "credit scoreblue [Medical Campus - Aurora, Co | Recheck]", "description": "", "modified": "2026-05-30T00:28:12.957000", "created": "2026-04-30T04:37:18.870000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": "66fc29a49b5ac693c8d75122", "export_count": 2, "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": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "URL": 3851, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3330, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31781, "is_author": false, "is_subscribing": null, "subscriber_count": 69, "modified_text": "1 day ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 }, { "id": "69f2dc7db0bb5c5cdaec5a6c", "name": "credit scoreblue [Medical Campus - Aurora, Co | Recheck]", "description": "", "modified": "2026-04-30T04:53:09.713000", "created": "2026-04-30T04:37:17.546000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": "66fc29a49b5ac693c8d75122", "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": { "URL": 3851, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3330, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31781, "is_author": false, "is_subscribing": null, "subscriber_count": 66, "modified_text": "31 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "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": "domain", "related_indicator_is_active": 1 }, { "id": "66fc29a49b5ac693c8d75122", "name": "Medical Campus - Aurora, Co | Recheck", "description": "This weekend we found a busybox MIORI Hackers - serious attack Aurora, Medical Campus -Mirai. This recheck is generic. All results generated automatically by LevelBlue, sourced by ScoreBlue.\nMaybe it will be clean today. Complaints of pop up auto logins on locked screens and autonomous system running alongside actual system. System root.\nMalware Families:\nTrojanDownloader:Win32/Bulilit, ELF:Mirai-TO\\ [Trj], Backdoor:Linux/Mirai.B, TELPER:HSTR:DotCisOffer, TrojanSpy:Win32/Nivdort, Backdoor:Win32/Bladabindi, ALF:E5, Win.Malware.Midie-9950743-0, Trojan:Win32/Emotet.ARJ!MTB", "modified": "2024-10-31T16:03:52.240000", "created": "2024-10-01T16:56:04.004000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 53, "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": "scoreblue", "id": "254100", "avatar_url": "/otxapi/users/avatar_image/media/avatars/user_254100/resized/80/avatar_3b9c358f36.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "URL": 3850, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3329, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31779, "is_author": false, "is_subscribing": null, "subscriber_count": 236, "modified_text": "576 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 } ], "references": [ "", "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.", "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.", "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.", "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.", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "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: 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.", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "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.", "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 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.", "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", "Obfuscation: XOR-based String Encryption (0x20)", "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", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "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.", "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.", "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", "T1110.001 (Brute Force: Password Guessing)", "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.", "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." ], "related": { "alienvault": { "adversary": [], "malware_families": [], "industries": [] }, "other": { "adversary": [ "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s" ], "malware_families": [ "Artro", "Mirai", "Malware family: stealthworker / gobrut", "Md5 hash: f8add7e7161460ea2b1970cf4ca535bf" ], "industries": [] } } }, "false_positive": [] }, "geo": {}, "geo_ipapicom": {}, "pulse_count": 4, "pulses": [ { "id": "69f2dc7e076cbfe2d0f7eb90", "name": "credit scoreblue [Medical Campus - Aurora, Co | Recheck]", "description": "", "modified": "2026-05-30T00:28:12.957000", "created": "2026-04-30T04:37:18.870000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": "66fc29a49b5ac693c8d75122", "export_count": 2, "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": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "URL": 3851, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3330, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31781, "is_author": false, "is_subscribing": null, "subscriber_count": 69, "modified_text": "1 day ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 }, { "id": "69f2dc7db0bb5c5cdaec5a6c", "name": "credit scoreblue [Medical Campus - Aurora, Co | Recheck]", "description": "", "modified": "2026-04-30T04:53:09.713000", "created": "2026-04-30T04:37:17.546000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": "66fc29a49b5ac693c8d75122", "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": { "URL": 3851, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3330, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31781, "is_author": false, "is_subscribing": null, "subscriber_count": 66, "modified_text": "31 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "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": "domain", "related_indicator_is_active": 1 }, { "id": "66fc29a49b5ac693c8d75122", "name": "Medical Campus - Aurora, Co | Recheck", "description": "This weekend we found a busybox MIORI Hackers - serious attack Aurora, Medical Campus -Mirai. This recheck is generic. All results generated automatically by LevelBlue, sourced by ScoreBlue.\nMaybe it will be clean today. Complaints of pop up auto logins on locked screens and autonomous system running alongside actual system. System root.\nMalware Families:\nTrojanDownloader:Win32/Bulilit, ELF:Mirai-TO\\ [Trj], Backdoor:Linux/Mirai.B, TELPER:HSTR:DotCisOffer, TrojanSpy:Win32/Nivdort, Backdoor:Win32/Bladabindi, ALF:E5, Win.Malware.Midie-9950743-0, Trojan:Win32/Emotet.ARJ!MTB", "modified": "2024-10-31T16:03:52.240000", "created": "2024-10-01T16:56:04.004000", "tags": [ "united", "as397240", "search", "showing", "as54113", "as397241", "unknown", "moved", "creation date", "record value", "next", "date", "body", "a domains", "passive dns", "formbook cnc", "checkin", "entries", "github pages", "sea x", "accept", "status", "name servers", "certificate", "urls", "aaaa", "cname", "meta", "whitelisted ip", "address", "location united", "asn as36459", "github", "less whois", "registrar", "markmonitor", "related tags", "as36459", "scan endpoints", "all scoreblue", "ipv4", "pulse pulses", "files", "ninite", "expiration date", "domain", "hostname", "sha256", "sha1", "ascii text", "pattern match", "document file", "v2 document", "utf8", "crlf line", "beginstring", "size", "null", "hybrid", "refresh", "span", "local", "click", "strings", "error", "tools", "look", "verify", "restart", "contact", "url https", "tulach type", "role title", "added active", "pulses url", "url http", "nextc type", "type indicator", "related pulses", "filehashsha256", "copyright", "ipv6", "germany", "italy", "trojan", "trojanspy", "worm", "trojanclicker", "virtool", "service", "linux x8664", "khtml", "gecko", "veryhigh", "redirect", "httpsupgrades", "collisionbox", "runner", "gameoverpanel", "trex", "orgtechhandle", "orgtechref", "director", "university", "nethandle", "net168", "net1680000", "ucha", "orgid", "east", "report spam", "as8075", "servers", "secure server", "error all", "typeof", "error f", "crazy doll", "created", "filehashmd5", "types of", "russia", "emotet type", "mirai type", "mirai", "mtb description", "win32 type", "as31034 aruba", "italy unknown", "as19527 google", "encrypt", "health type", "miori hackers", "brute force", "backdoor", "aurora", "ip address", "path", "unis", "dotcisoffer", "bladabindi", "artro", "script urls", "as46606", "brazil unknown", "as11284", "as10906", "apache", "lanc type", "telper", "win32", "win64", "pulses email", "as9009 m247", "as7296 alchemy", "as14061", "as16276", "trojandropper", "ransom", "mtb sep", "msie", "chrome", "ip check", "gmt content", "pulse submit", "url analysis", "files ip", "aaaa nxdomain", "nxdomain", "a nxdomain", "as22612", "dnssec", "meta http", "accept encoding", "request id", "united kingdom", "div div", "arial helvetica", "emails", "as15169 google", "cryp", "gmt cache", "sameorigin", "domain name", "code", "false", "command type", "roleselfservice", "mcig sep", "all search", "author avatar", "days ago", "http", "related nids", "files location", "as30081", "gmt contenttype", "mozilla", "as15133 verizon", "whitelisted", "meta name", "robots content", "x ua", "ieedge chrome1", "incapsula", "request", "softcnapp", "overview ip", "flag united", "files related", "as62597 nsone", "as31898 oracle", "mtb aug", "class", "twitter", "april", "secure", "httponly", "expiresthu", "pragma", "as13414 twitter", "smoke loader", "reverse dns", "asnone united", "idlogin sep", "uid38009", "expiration", "hack type", "porn type" ], "references": [], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Italy", "Aruba" ], "malware_families": [ { "id": "Mirai", "display_name": "Mirai", "target": null }, { "id": "Artro", "display_name": "Artro", "target": null } ], "attack_ids": [ { "id": "T1071", "name": "Application Layer Protocol", "display_name": "T1071 - Application Layer Protocol" }, { "id": "T1105", "name": "Ingress Tool Transfer", "display_name": "T1105 - Ingress Tool Transfer" }, { "id": "T1003", "name": "OS Credential Dumping", "display_name": "T1003 - OS Credential Dumping" }, { "id": "T1031", "name": "Modify Existing Service", "display_name": "T1031 - Modify Existing Service" }, { "id": "T1045", "name": "Software Packing", "display_name": "T1045 - Software Packing" }, { "id": "T1053", "name": "Scheduled Task/Job", "display_name": "T1053 - Scheduled Task/Job" }, { "id": "T1060", "name": "Registry Run Keys / Startup Folder", "display_name": "T1060 - Registry Run Keys / Startup Folder" }, { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1096", "name": "NTFS File Attributes", "display_name": "T1096 - NTFS File Attributes" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1129", "name": "Shared Modules", "display_name": "T1129 - Shared Modules" }, { "id": "T1143", "name": "Hidden Window", "display_name": "T1143 - Hidden Window" }, { "id": "T1055", "name": "Process Injection", "display_name": "T1055 - Process Injection" }, { "id": "T1056", "name": "Input Capture", "display_name": "T1056 - Input Capture" }, { "id": "T1110", "name": "Brute Force", "display_name": "T1110 - Brute Force" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 53, "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": "scoreblue", "id": "254100", "avatar_url": "/otxapi/users/avatar_image/media/avatars/user_254100/resized/80/avatar_3b9c358f36.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "URL": 3850, "FileHash-MD5": 6012, "FileHash-SHA1": 5906, "domain": 3329, "email": 33, "hostname": 4231, "CVE": 2, "FileHash-SHA256": 8407, "CIDR": 2, "SSLCertFingerprint": 7 }, "indicator_count": 31779, "is_author": false, "is_subscribing": null, "subscriber_count": 236, "modified_text": "576 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 } ], "error": null, "vt": { "error": "VirusTotal rate limit reached. Try again shortly.", "indicator": "qualityplanning.com", "type": "Domain" }, "abuseipdb": null, "urlhaus": { "indicator": "qualityplanning.com", "found": false, "verdict": "clean", "urls": [], "error": null }, "from_cache": true, "_cached_at": 1780214576.0212016 }