ThreatCluster

Arcane Werewolf Hacker Group Deploys Loki 2.1 Malware Toolkit

First seen 22 Dec 2025, 14:59 UTC • •31

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ThreatCluster •March 12, 2026 at 13:27 UTC

The Arcane Werewolf hacker group, also known as Mythic Likho, has enhanced its capabilities by introducing the Loki 2.1 malware toolkit. In October and November 2025, this group targeted Russian manufacturing companies, demonstrating a refinement in their attack strategies.

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Threat Graph

6 entities, 8 inferred relationships (STIX 2.1).

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Threat Actor (2)

Arcane Werewolf
Mythic Likho

Technique (2)

Data Breach
Malware

Malware (1)

Loki

Tool (1)

Loki 2.1 Malware Toolkit

Relationships

Arcane Werewolf uses Loki
Mythic Likho uses Loki
Arcane Werewolf uses Loki 2.1 Malware Toolkit
Mythic Likho uses Loki 2.1 Malware Toolkit
Arcane Werewolf uses Data Breach
Arcane Werewolf uses Malware
Mythic Likho uses Data Breach
Mythic Likho uses Malware

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