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Threat actor

Silent Chollima

Last fetched

Silent Chollima is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 12 techniques and also known as 8 other names.

Also known as

OperationTroy, Guardian of Peace, GOP, WHOis Team, Andariel, Subgroup: Andariel, Onyx Sleet, PLUTONIUM

Description

Andariel is a threat actor that primarily targets South Korean corporations and institutions. They are believed to collaborate with or operate as a subsidiary organization of the Lazarus threat group. WHOIS utilizes spear phishing attacks, watering hole attacks, and supply chain attacks for initial access. They have been known to exploit vulnerabilities and use malware such as Infostealer and TigerRAT.

Techniques by tactic

Collection

Command and Control

Discovery

Execution

Initial Access

Reconnaissance

Resource Development

Stealth

Attributed infrastructure

None published. WhisperGraph carries no ATTRIBUTED_TO edge to Silent Chollima today — this states the absence of a published link, not that Silent Chollima has no infrastructure.

References

© The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

Related pages

Pivot from Silent Chollima into its techniques, tactics and any attributed infrastructure.

Queries

Resolves the slug to this actor, merging every duplicate node sharing the same name.


MATCH (a:ACTOR)
WHERE a.name =~ $pattern OR any(x IN a.aliases WHERE x =~ $pattern)
RETURN a.id AS id, a.name AS name, a.aliases AS aliases, a.description AS description,
       a.references AS references, a.campaigns AS campaigns
LIMIT 25
Run yourself →

Techniques this actor uses, grouped by the tactic each one serves.


MATCH (a:ACTOR {name: $name})-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN)
OPTIONAL MATCH (t)-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN t.id AS techniqueId, t.name AS techniqueName, tac.id AS tacticId, tac.name AS tacticName
LIMIT 1000
Run yourself →

Infrastructure publicly attributed to this actor.


MATCH (n)-[:ATTRIBUTED_TO]->(a:ACTOR {name: $name})
RETURN labels(n)[0] AS kind, n.name AS name
LIMIT 25
Run yourself →

Or query Whisper from your own LLM workflow via the Whisper MCP server.