APT / THREAT GROUP
Unidentified VBS 004 (RAT)
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Lab52 describes this as a light first-stage RAT used by MuddyWater and observed samples between at least November 2020 and January 2022.
Threat Analysis
Unidentified VBS 004 (RAT) is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
External References
Quick Facts
TypeAPT / Threat Group
Aliases2
Also Known As
vbs.unidentified_004Unidentified VBS 004 (RAT)
External Intelligence
Malpedia: vbs.unidentified_004Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.