APT / THREAT GROUP
OutSteel
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to MITRE, OutSteel is a file uploader and document stealer developed with the scripting language AutoIT that has been used by Ember Bear since at least March 2021.
Threat Analysis
OutSteel 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
OutSteelwin.outsteel
External Intelligence
Malpedia: win.outsteelResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.