GINC-APT-0720 · State

FlyingYeti

Also Flying Yeti, Storm-1837.

Category
State · Attributed to a state or working for one.
Origin
Russia(high confidence)
Sources
3 sources carry it
Identifier
GINC-APT-0720 · flyingyeti

What it is

FlyingYeti is a Russia-aligned threat actor targeting Ukrainian military entities. They conduct reconnaissance activities and launch phishing campaigns using malware like COOKBOX. FlyingYeti exploits the WinRAR vulnerability CVE-2023-38831 to infect targets with malicious payloads. Cloudforce One has successfully disrupted their operations and provided recommendations for defense against their phishing campaigns.

Names

The names each vendor, agency and source gives it. Naming differs by who tracks the actor, so one group carries many.

Microsoft
Storm-1837
Other names
Flying Yeti

Attribution

Each attribution is a claim: who makes it, and to whom. Western and Eastern sources are kept apart, as they often disagree.

Tools

The tools and malware families the sources tie to it.

  • CloudDuke
  • Xploit

Sources

  • Malpedia malpedia.caad.fkie.fraunhofer.de