InvisibleFerret

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Malware family tracked by Malpedia. ID: py.invisibleferret

Threat Analysis

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

Intelligence Reports Mentioning InvisibleFerret

Analyzing Void Dokkaebi’s Cython-Compiled InvisibleFerret Malware

Trend Micro Research· May 21, 2026

External References

→https://any.run/cybersecurity-blog/lazarus-group-attacks-2025/

→https://any.run/cybersecurity-blog/ottercookie-malware-analysis/

→https://blog.nviso.eu/2025/11/13/contagious-interview-actors-now-utilize-json-storage-services-for-malware-delivery/

→https://blog.talosintelligence.com/beavertail-and-ottercookie/

→https://doi.org/10.48550/arXiv.2505.21725

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

InvisibleFerretpy.invisibleferret

External Intelligence

Malpedia: py.invisibleferret

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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