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APT groupMITRE G0138

Andariel

Also known as: gop, guardian of peace, onyx sleet, operationtroy, plutonium, silent chollima, subgroup: andariel, whois team

[Andariel](https://attack.mitre.org/groups/G0138) is a North Korean state-sponsored threat group that has been active since at least 2009. [Andariel](https://attack.mitre.org/groups/G0138) has primarily focused its operations--which have included destructive attacks--against South Korean government agencies, military organizations, and a variety of domestic companies; they have also conducted cyber financial operations against ATMs, banks, and cryptocurrency exchanges. [Andariel](https://attack.mitre.org/groups/G0138)'s notable activity includes Operation Black Mine, Operation GoldenAxe, and Campaign Rifle.(Citation: FSI Andariel Campaign Rifle July 2017)(Citation: IssueMakersLab Andariel GoldenAxe May 2017)(Citation: AhnLab Andariel Subgroup of Lazarus June 2018)(Citation: TrendMicro New Andariel Tactics July 2018)(Citation: CrowdStrike Silent Chollima Adversary September 2021) [Andariel](https://attack.mitre.org/groups/G0138) is considered a sub-set of [Lazarus Group](https://attack.mitre.org/groups/G0032), and has been attributed to North Korea's Reconnaissance General Bureau.(Citation: Treasury North Korean Cyber Groups September 2019) North Korean group definitions are known to have significant overlap, and some security researchers report all North Korean state-sponsored cyber activity under the name [Lazarus Group](https://attack.mitre.org/groups/G0032) instead of tracking clusters or subgroups.

Victims in the last 90 days0

Most affected countries

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Most affected sectors

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Priority mitigations

MITRE ATT&CK mitigations that cover the most techniques used by this group.

  1. User Training (3 techniques covered)
  2. Restrict Web-Based Content (2 techniques covered)
  3. Network Intrusion Prevention (2 techniques covered)
  4. Application Isolation and Sandboxing (2 techniques covered)
  5. Exploit Protection (2 techniques covered)
  6. Update Software (2 techniques covered)
  7. User Account Management (1 techniques covered)
  8. Filter Network Traffic (1 techniques covered)

MITRE ATT&CK techniques

T1049 · System Network Connections DiscoveryT1203 · Exploitation for Client ExecutionT1005 · Data from Local SystemT1590.005 · IP AddressesT1189 · Drive-by CompromiseT1057 · Process DiscoveryT1592.002 · SoftwareT1588.001 · MalwareT1204.002 · Malicious FileT1566.001 · Spearphishing AttachmentT1027.003 · SteganographyT1105 · Ingress Tool Transfer

Recent victims

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Sources: RansomLook (CC BY 4.0), MITRE ATT&CK®, MISP Galaxy, Google News.