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Threat actorRussiaTracked since 2026-05

GreyVibe

Also known as:GreyVibe clusterUAC-0098

As of 2026-08-04, GreyVibe is a Russia-nexus threat actor tracked by Threadlinqs Intelligence across 3 threats spanning threat intel, campaign, malware. Also known as GreyVibe cluster, UAC-0098. ATT&CK coverage spans 61 techniques across 12 tactics in 3 of 3 tracked threats. Most-observed techniques: T1082 (System Information Discovery), T1027 (Obfuscated Files or Information), T1059 (Command and Scripting Interpreter).

Tracked threats
32 high · 1 medium
First seen
2026-05-28
Last seen
2026-08-04
ATT&CK techniques
61across 3 of 3 threats
Related CVEs
1Referenced by its activity
Attribution
RussiaNation or origin
Nation: Russia · 3 tracked threat(s) · Categories: THREAT_INTEL, CAMPAIGN, MALWARE

Activity timeline

GreyVibe appears in 3 tracked threats between and ; the busiest month was 2026-05 with 1 report.

ATT&CK techniques observed

61 techniques observed across 3 of 3 tracked threats · Collection (9), Initial Access (9), Resource Development (9), Stealth (formerly Defense Evasion) (8), Command and Control (7), Credential Access (6)
  • T1082 System Information Discovery — Discoveryobserved in 3 of 3 tracked threats
  • T1027 Obfuscated Files or Information — Stealth (formerly Defense Evasion)observed in 2 of 3 tracked threats
  • T1059 Command and Scripting Interpreter — Executionobserved in 2 of 3 tracked threats
  • T1071.001 Web Protocols — Command and Controlobserved in 2 of 3 tracked threats
  • T1102 Web Service — Command and Controlobserved in 2 of 3 tracked threats
  • T1113 Screen Capture — Collectionobserved in 2 of 3 tracked threats
  • T1140 Deobfuscate/Decode Files or Information — Stealth (formerly Defense Evasion)observed in 2 of 3 tracked threats
  • T1204 User Execution — Executionobserved in 2 of 3 tracked threats
  • T1505 Server Software Component — Persistenceobserved in 2 of 3 tracked threats
  • T1555 Credentials from Password Stores — Credential Accessobserved in 2 of 3 tracked threats
  • T1566.001 Phishing: Spearphishing Attachment — Initial Accessobserved in 2 of 3 tracked threats
  • T1566.002 Spearphishing Link — Initial Accessobserved in 2 of 3 tracked threats
  • T1583 Acquire Infrastructure — Resource Developmentobserved in 2 of 3 tracked threats
  • T1005 Data from Local System — Collectionobserved in 1 of 3 tracked threats
  • T1014 Rootkit — Stealth (formerly Defense Evasion)observed in 1 of 3 tracked threats

Tracked threats

Related CVEs

1 CVE referenced by tracked GreyVibe activity