APT / THREAT GROUP
Epsilon Stealer
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Epsilon Stealer is an information stealer sold as Malware as a Service by a new french actor called "Epsilon". This malware is distributed as a game, mainly on discord, but steals user credentials, crypto wallets, and stored cookies. It evades static detection by being packed with NSIS, which then launches a malicious Electron package.
Threat Analysis
Epsilon Stealer 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
win.epsilon_stealerEpsilon Stealer
External Intelligence
Malpedia: win.epsilon_stealerResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.