APT / THREAT GROUP
Sagerunex
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to Symantec, Sagerunex is a backdoor that is fairly resilient and implements multiple forms of communication with its command-and-control (C&C) server. Its logs are encrypted and the encryption algorithm used is AES256-CBC with 8192 rounds of SHA256 for key derivation based on a hardcoded key. It supports multiple modes methods for communicating via HTTP (proxy-aware).
Threat Analysis
Sagerunex 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
Sagerunexwin.sagerunex
External Intelligence
Malpedia: win.sagerunexResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.