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Threat actorNorth Korea (DPRK)Tracked since 2026-04

PolinRider

Also known as:UNC5342JADESNOWContagious InterviewTasksJackerWaterPlumNickel AlleyLazarus GroupDeceptiveDevelopment

As of 2026-09-20, PolinRider is a North Korea (DPRK)-nexus threat actor tracked by Threadlinqs Intelligence across 5 threats spanning supply chain. Also known as UNC5342, JADESNOW, Contagious Interview, TasksJacker. ATT&CK coverage spans 67 techniques across 11 tactics in 5 of 5 tracked threats. Most-observed techniques: T1027 (Obfuscated Files or Information), T1199 (Trusted Relationship), T1041 (Exfiltration Over C2 Channel).

Tracked threats
51 critical · 3 high · 1 medium
First seen
2026-04-29
Last seen
2026-09-20
ATT&CK techniques
67across 5 of 5 threats
Related CVEs
0None referenced
Attribution
North Korea (DPRK)Nation or origin
Nation: North Korea (DPRK) · 5 tracked threat(s) · Categories: SUPPLY_CHAIN

Activity timeline

PolinRider appears in 5 tracked threats between and ; the busiest month was 2026-07 with 2 reports.

ATT&CK techniques observed

67 techniques observed across 5 of 5 tracked threats · Command and Control (15), Stealth (formerly Defense Evasion) (12), Resource Development (10), Initial Access (7), Persistence (7), Execution (6)
  • T1027 Obfuscated Files or Information — Stealth (formerly Defense Evasion)observed in 5 of 5 tracked threats
  • T1199 Trusted Relationship — Initial Accessobserved in 5 of 5 tracked threats
  • T1041 Exfiltration Over C2 Channel — Exfiltrationobserved in 4 of 5 tracked threats
  • T1140 Deobfuscate/Decode Files or Information — Stealth (formerly Defense Evasion)observed in 4 of 5 tracked threats
  • T1555 Credentials from Password Stores — Credential Accessobserved in 4 of 5 tracked threats
  • T1585 Establish Accounts — Resource Developmentobserved in 4 of 5 tracked threats
  • T1005 Data from Local System — Collectionobserved in 3 of 5 tracked threats
  • T1059.007 JavaScript — Executionobserved in 3 of 5 tracked threats
  • T1071.001 Web Protocols — Command and Controlobserved in 3 of 5 tracked threats
  • T1105 Ingress Tool Transfer — Command and Controlobserved in 3 of 5 tracked threats
  • T1195.002 Compromise Software Supply Chain — Initial Accessobserved in 3 of 5 tracked threats
  • T1552.001 Unsecured Credentials — Credential Accessobserved in 3 of 5 tracked threats
  • T1587.001 Malware — Resource Developmentobserved in 3 of 5 tracked threats
  • T1608 Stage Capabilities — Resource Developmentobserved in 3 of 5 tracked threats
  • T1036 Masquerading — Stealth (formerly Defense Evasion)observed in 2 of 5 tracked threats

Tracked threats