HOMETHREATSFlyingYeti
APT / THREAT GROUP

FlyingYeti

🇷🇺Russia-attributed
1
campaigns
3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

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.

Threat Analysis

FlyingYeti is a known-sophistication threat actor attributed to Russia, engaged in cyber operations with a primary motivation of unknown activity patterns.

Known Campaigns

FlyingYeti — Active Operations March 2026

FlyingYeti is a unknown-motivation threat actor attributed to Russia. 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 payload...

ACTIVEMEDIUM2026

External References

Quick Facts

TypeAPT / Threat Group
Origin🇷🇺 Russia
Aliases3
SourceMalpedia

Also Known As

Flying YetiStorm-1837FlyingYeti

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.