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Threat actor

Earth Freybug

Last fetched

Earth Freybug is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 0 techniques.

Description

Earth Freybug, identified as a subset of APT41, is a cyberthreat group active since at least 2012, engaging in espionage and financially motivated activities across various sectors worldwide. The tactics, techniques, and procedures (TTPs) used in this campaign are similar to the ones from a campaign (Operation CuckooBees) described in an article published by Cybereason. They employ a diverse toolkit, including LOLBins and custom malware, to execute sophisticated cyberespionage attacks. The group's recent tactics involve DLL hijacking and API unhooking through a newly discovered malware named UNAPIMON, which prevents child processes from being monitored. This technique was observed in a vmtoolsd.exe process creating remote tasks to deploy malicious batch files for reconnaissance and backdoor access. UNAPIMON's simplicity and use of Microsoft Detours for defense evasion highlight the group's evolving methods and the need for vigilant security measures, such as restricting admin privileges and adhering to the principle of least privilege. Earth Freybug's persistence and creativity in refining their techniques underscore the ongoing threat they pose and the importance of proactive cybersecurity practices.

Techniques by tactic

No ATT&CK techniques are recorded for Earth Freybug in WhisperGraph.

Attributed infrastructure

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

References

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

Related pages

Pivot from Earth Freybug 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.