{ "type": "URL", "indicator": "https://194.61.24.231:8081", "general": { "sections": [ "general", "url_list", "http_scans", "screenshot" ], "indicator": "https://194.61.24.231:8081", "type": "url", "type_title": "URL", "validation": [], "base_indicator": { "id": 4143985291, "indicator": "https://194.61.24.231:8081", "type": "URL", "title": "", "description": "", "content": "", "access_type": "public", "access_reason": "" }, "pulse_info": { "count": 2, "pulses": [ { "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": "69116f89c600907a25e6b397", "name": "GoBrut Service Bruter CnC Activity \u2022 TAM Legal \u2022 Christopher P. Ahmann", "description": "Malicious attacks from Special Counsel criminal attorney defending Jeffrey Scott Reimer and Concentra against and on premises vicious SA. Caused grate bodily injury. Christopher P. Ahmann and Hall\nRender (down the street) Palantir has been harassing , working 24/7 at silencing one crime victim. I\u2019m sure there are more because we thwarted an attempt in 2018. \n\nHitman hired. You couldn\u2019t believe manpower and cyber attacks one family has been through. They attack the Large Loss clients.", "modified": "2025-12-10T04:02:00.145000", "created": "2025-11-10T04:52:25.542000", "tags": [ "united", "ipv4", "america asn", "asn as397241", "neustar", "united states", "ubuntu", "linux x8664", "gobrut service", "bruter cnc", "activity", "malware", "present mar", "present oct", "present jun", "brazil", "present jul", "present feb", "present nov", "moved", "a domains", "win64", "alfper", "ransom", "script urls", "bank", "trojan", "win32", "meta", "path", "read c", "port", "destination", "delete", "write", "persistence", "execution", "generic", "hostile", "cookie", "suspicious", "e ee", "epeq", "efjeg", "eebe", "e ge", "eveoe6ee", "elem", "e ie", "eieeieeie", "jea ebjecedjee", "ipv4 add", "files", "reverse dns", "america flag", "msie", "chrome", "title", "h1 center", "gmt content", "unknown ns", "ip address", "for privacy", "icedid", "bokbot", "united states", "div div", "link", "amazon web", "a li", "click", "span", "unknown aaaa", "record value", "apache x", "asn as398101", "hosting", "twitter", "present may", "present jan", "error", "present sep", "url analysis", "passive dns", "urls", "less whois", "registrar", "criminal defense", "quasi gov", "tam legal", "monitored target", "p", "amazon", "apple", "japan unknown", "license", "expiresmon", "gmt path", "html", "tokyo", "show", "unknown", "tracking", "germany unknown", "bq nov", "virtool", "germany asn", "as47846", "cyber attacks", "christopher", "ahmann", "pulse pulses", "location united", "dns resolutions", "domains top", "hitmen", "hall", "hall render", "telper", "hostname add", "pulse submit", "domain", "files ip", "address", "yara detections", "contacted", "filehash", "av detections", "ids detections", "alerts", "analysis date", "file score", "detections elf", "lowfi", "entries", "win32midia", "next associated", "trojanclicker", "win32ellell jan", "date" ], "references": [ "Tam Legal \u2022 Christopher P. Ahmann Esq Cyber Criminal", "GoBrut Service Bruter CnC Activity", "interface.xpacemobilitycloud.com", "103.224.182.243 ghdukshop.com lb-182-243.above.comAustraliaCOUNTRYAS133618 trellian pty. limited", "http://pornsure.com/ \u2022 http://www.kittipornfiberglass.com/ \u2022 kittipornfiberglass.com \u2022 pornsure.com", "http://colorado-realestate-finder.com/" ], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Australia" ], "malware_families": [ { "id": "TrojanDownloader:Linux/Morila", "display_name": "TrojanDownloader:Linux/Morila", "target": "/malware/TrojanDownloader:Linux/Morila" }, { "id": "Gafgyt", "display_name": "Gafgyt", "target": null }, { "id": "ELF:Agent-VW\\ [Trj]", "display_name": "ELF:Agent-VW\\ [Trj]", "target": null }, { "id": "Win32:IcedID-E\\ [Bank]", "display_name": "Win32:IcedID-E\\ [Bank]", "target": null }, { "id": "Win64:MalwareX-gen\\ [Trj]", "display_name": "Win64:MalwareX-gen\\ [Trj]", "target": null }, { "id": "Ransom:Win32/ContiCrypt", "display_name": "Ransom:Win32/ContiCrypt", "target": "/malware/Ransom:Win32/ContiCrypt" }, { "id": "ALFPER:RefLoadApiHash", "display_name": "ALFPER:RefLoadApiHash", "target": null }, { "id": "Win64:CrypterX-gen\\ [Trj]", "display_name": "Win64:CrypterX-gen\\ [Trj]", "target": null }, { "id": "Win64:BotX-gen\\ [Trj]", "display_name": "Win64:BotX-gen\\ [Trj]", "target": null }, { "id": "Bank", "display_name": "Bank", "target": null }, { "id": "Other Malware", "display_name": "Other Malware", "target": null }, { "id": "Exploit:Win32/CVE-2017-0147", "display_name": "Exploit:Win32/CVE-2017-0147", "target": "/malware/Exploit:Win32/CVE-2017-0147" }, { "id": "Win.Trojan.Agent", "display_name": "Win.Trojan.Agent", "target": null }, { "id": "AutoRun", "display_name": "AutoRun", "target": null }, { "id": "Win.Trojan.Agent-316098", "display_name": "Win.Trojan.Agent-316098", "target": null }, { "id": "virtool:Win32/Injector.gen!BQ", "display_name": "virtool:Win32/Injector.gen!BQ", "target": "/malware/virtool:Win32/Injector.gen!BQ" } ], "attack_ids": [ { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" }, { "id": "T1140", "name": "Deobfuscate/Decode Files or Information", "display_name": "T1140 - Deobfuscate/Decode Files or Information" }, { "id": "TA0003", "name": "Persistence", "display_name": "TA0003 - Persistence" }, { "id": "TA0011", "name": "Command and Control", "display_name": "TA0011 - Command and Control" }, { "id": "T1568", "name": "Dynamic Resolution", "display_name": "T1568 - Dynamic Resolution" }, { "id": "T1584.005", "name": "Botnet", "display_name": "T1584.005 - Botnet" }, { "id": "T1155", "name": "AppleScript", "display_name": "T1155 - AppleScript" }, { "id": "T1583", "name": "Acquire Infrastructure", "display_name": "T1583 - Acquire Infrastructure" }, { "id": "T1547", "name": "Boot or Logon Autostart Execution", "display_name": "T1547 - Boot or Logon Autostart Execution" } ], "industries": [], "TLP": "white", "cloned_from": null, "export_count": 10, "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": { "domain": 3031, "email": 8, "hostname": 1840, "FileHash-SHA256": 1015, "URL": 4792, "FileHash-MD5": 441, "FileHash-SHA1": 432, "SSLCertFingerprint": 9, "CVE": 1 }, "indicator_count": 11569, "is_author": false, "is_subscribing": null, "subscriber_count": 143, "modified_text": "172 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": [ "Obfuscation: XOR-based String Encryption (0x20)", "", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "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.", "http://colorado-realestate-finder.com/", "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", "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", "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.", "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.", "GoBrut Service Bruter CnC Activity", "T1110.001 (Brute Force: Password Guessing)", "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.", "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.", "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.", "103.224.182.243 ghdukshop.com lb-182-243.above.comAustraliaCOUNTRYAS133618 trellian pty. limited", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "Tam Legal \u2022 Christopher P. Ahmann Esq Cyber Criminal", "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.", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "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", "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.", "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.", "interface.xpacemobilitycloud.com", "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.", "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.", "http://pornsure.com/ \u2022 http://www.kittipornfiberglass.com/ \u2022 kittipornfiberglass.com \u2022 pornsure.com", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f" ], "related": { "alienvault": { "adversary": [], "malware_families": [], "industries": [], "unique_indicators": 0 }, "other": { "adversary": [ "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s" ], "malware_families": [ "Other malware", "Exploit:win32/cve-2017-0147", "Win64:crypterx-gen\\ [trj]", "Md5 hash: f8add7e7161460ea2b1970cf4ca535bf", "Bank", "Ransom:win32/conticrypt", "Trojandownloader:linux/morila", "Gafgyt", "Malware family: stealthworker / gobrut", "Win32:icedid-e\\ [bank]", "Win64:botx-gen\\ [trj]", "Win.trojan.agent", "Win.trojan.agent-316098", "Virtool:win32/injector.gen!bq", "Win64:malwarex-gen\\ [trj]", "Alfper:refloadapihash", "Autorun", "Elf:agent-vw\\ [trj]" ], "industries": [], "unique_indicators": 34207 } } }, "false_positive": [], "alexa": "", "whois": "http://whois.domaintools.com/194.61.24.231", "domain": "Unavailable", "hostname": "Unavailable" }, "geo": {}, "geo_ipapicom": {}, "pulse_count": 2, "pulses": [ { "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": "69116f89c600907a25e6b397", "name": "GoBrut Service Bruter CnC Activity \u2022 TAM Legal \u2022 Christopher P. Ahmann", "description": "Malicious attacks from Special Counsel criminal attorney defending Jeffrey Scott Reimer and Concentra against and on premises vicious SA. Caused grate bodily injury. Christopher P. Ahmann and Hall\nRender (down the street) Palantir has been harassing , working 24/7 at silencing one crime victim. I\u2019m sure there are more because we thwarted an attempt in 2018. \n\nHitman hired. You couldn\u2019t believe manpower and cyber attacks one family has been through. They attack the Large Loss clients.", "modified": "2025-12-10T04:02:00.145000", "created": "2025-11-10T04:52:25.542000", "tags": [ "united", "ipv4", "america asn", "asn as397241", "neustar", "united states", "ubuntu", "linux x8664", "gobrut service", "bruter cnc", "activity", "malware", "present mar", "present oct", "present jun", "brazil", "present jul", "present feb", "present nov", "moved", "a domains", "win64", "alfper", "ransom", "script urls", "bank", "trojan", "win32", "meta", "path", "read c", "port", "destination", "delete", "write", "persistence", "execution", "generic", "hostile", "cookie", "suspicious", "e ee", "epeq", "efjeg", "eebe", "e ge", "eveoe6ee", "elem", "e ie", "eieeieeie", "jea ebjecedjee", "ipv4 add", "files", "reverse dns", "america flag", "msie", "chrome", "title", "h1 center", "gmt content", "unknown ns", "ip address", "for privacy", "icedid", "bokbot", "united states", "div div", "link", "amazon web", "a li", "click", "span", "unknown aaaa", "record value", "apache x", "asn as398101", "hosting", "twitter", "present may", "present jan", "error", "present sep", "url analysis", "passive dns", "urls", "less whois", "registrar", "criminal defense", "quasi gov", "tam legal", "monitored target", "p", "amazon", "apple", "japan unknown", "license", "expiresmon", "gmt path", "html", "tokyo", "show", "unknown", "tracking", "germany unknown", "bq nov", "virtool", "germany asn", "as47846", "cyber attacks", "christopher", "ahmann", "pulse pulses", "location united", "dns resolutions", "domains top", "hitmen", "hall", "hall render", "telper", "hostname add", "pulse submit", "domain", "files ip", "address", "yara detections", "contacted", "filehash", "av detections", "ids detections", "alerts", "analysis date", "file score", "detections elf", "lowfi", "entries", "win32midia", "next associated", "trojanclicker", "win32ellell jan", "date" ], "references": [ "Tam Legal \u2022 Christopher P. Ahmann Esq Cyber Criminal", "GoBrut Service Bruter CnC Activity", "interface.xpacemobilitycloud.com", "103.224.182.243 ghdukshop.com lb-182-243.above.comAustraliaCOUNTRYAS133618 trellian pty. limited", "http://pornsure.com/ \u2022 http://www.kittipornfiberglass.com/ \u2022 kittipornfiberglass.com \u2022 pornsure.com", "http://colorado-realestate-finder.com/" ], "public": 1, "adversary": "", "targeted_countries": [ "United States of America", "Australia" ], "malware_families": [ { "id": "TrojanDownloader:Linux/Morila", "display_name": "TrojanDownloader:Linux/Morila", "target": "/malware/TrojanDownloader:Linux/Morila" }, { "id": "Gafgyt", "display_name": "Gafgyt", "target": null }, { "id": "ELF:Agent-VW\\ [Trj]", "display_name": "ELF:Agent-VW\\ [Trj]", "target": null }, { "id": "Win32:IcedID-E\\ [Bank]", "display_name": "Win32:IcedID-E\\ [Bank]", "target": null }, { "id": "Win64:MalwareX-gen\\ [Trj]", "display_name": "Win64:MalwareX-gen\\ [Trj]", "target": null }, { "id": "Ransom:Win32/ContiCrypt", "display_name": "Ransom:Win32/ContiCrypt", "target": "/malware/Ransom:Win32/ContiCrypt" }, { "id": "ALFPER:RefLoadApiHash", "display_name": "ALFPER:RefLoadApiHash", "target": null }, { "id": "Win64:CrypterX-gen\\ [Trj]", "display_name": "Win64:CrypterX-gen\\ [Trj]", "target": null }, { "id": "Win64:BotX-gen\\ [Trj]", "display_name": "Win64:BotX-gen\\ [Trj]", "target": null }, { "id": "Bank", "display_name": "Bank", "target": null }, { "id": "Other Malware", "display_name": "Other Malware", "target": null }, { "id": "Exploit:Win32/CVE-2017-0147", "display_name": "Exploit:Win32/CVE-2017-0147", "target": "/malware/Exploit:Win32/CVE-2017-0147" }, { "id": "Win.Trojan.Agent", "display_name": "Win.Trojan.Agent", "target": null }, { "id": "AutoRun", "display_name": "AutoRun", "target": null }, { "id": "Win.Trojan.Agent-316098", "display_name": "Win.Trojan.Agent-316098", "target": null }, { "id": "virtool:Win32/Injector.gen!BQ", "display_name": "virtool:Win32/Injector.gen!BQ", "target": "/malware/virtool:Win32/Injector.gen!BQ" } ], "attack_ids": [ { "id": "T1082", "name": "System Information Discovery", "display_name": "T1082 - System Information Discovery" }, { "id": "T1112", "name": "Modify Registry", "display_name": "T1112 - Modify Registry" }, { "id": "T1119", "name": "Automated Collection", "display_name": "T1119 - Automated Collection" }, { "id": "T1140", "name": "Deobfuscate/Decode Files or Information", "display_name": "T1140 - Deobfuscate/Decode Files or Information" }, { "id": "TA0003", "name": "Persistence", "display_name": "TA0003 - Persistence" }, { "id": "TA0011", "name": "Command and Control", "display_name": "TA0011 - Command and Control" }, { "id": "T1568", "name": "Dynamic Resolution", "display_name": "T1568 - Dynamic Resolution" }, { "id": "T1584.005", "name": "Botnet", "display_name": "T1584.005 - Botnet" }, { "id": "T1155", "name": "AppleScript", "display_name": "T1155 - AppleScript" }, { "id": "T1583", "name": "Acquire Infrastructure", "display_name": "T1583 - Acquire Infrastructure" }, { "id": "T1547", "name": "Boot or Logon Autostart Execution", "display_name": "T1547 - Boot or Logon Autostart Execution" } ], "industries": [], "TLP": "white", "cloned_from": null, "export_count": 10, "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": { "domain": 3031, "email": 8, "hostname": 1840, "FileHash-SHA256": 1015, "URL": 4792, "FileHash-MD5": 441, "FileHash-SHA1": 432, "SSLCertFingerprint": 9, "CVE": 1 }, "indicator_count": 11569, "is_author": false, "is_subscribing": null, "subscriber_count": 143, "modified_text": "172 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://194.61.24.231:8081", "type": "URL" }, "abuseipdb": null, "urlhaus": { "indicator": "https://194.61.24.231:8081", "type": "URL", "found": false, "verdict": "clean", "error": null }, "from_cache": true, "_cached_at": 1780210700.3497953 }