MALWARE FAMILY
MOONTAG
Internal ID: win.moontag
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
The malware, potentially named "MOON_TAG" by its developer as indicated by the strings within, is derived from code shared in a Google Group (https://groups.google.com/g/ph4nt0m/c/2J3_1XPeKD8/m/AYPoWudRcTAJ?pli=1). Each variant discovered possesses capabilities to communicate via the Microsoft Graph API. At this moment, it appears to be in development.
Threat Analysis
MOONTAG 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.moontag
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.