Unidentified 091

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Avast found this unidentified RAT, which abuses a code-signing certificate by the Philippine Navy. It is statically linked against OpenSSL 1.1.1g.

Threat Analysis

Unidentified 091 is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://decoded.avast.io/threatintel/avast-finds-compromised-philippine-navy-certificate-used-in-remote-access-tool/

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

Unidentified 091win.unidentified_091

External Intelligence

Malpedia: win.unidentified_091

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

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

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