MALWARE FAMILY
Unidentified 066
Internal ID: win.unidentified_066
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
This .net executable can receive commands from c2 sever, upload and download files according to the returned content, perform an uninstall, or modify the registry to achieve persistence across reboots. At the end, it downloads a Python-based RAT, called PeppyRAT.
Threat Analysis
Unidentified 066 is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
External References
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.unidentified_066
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.