ObserverStealer

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Malware family tracked by Malpedia. ID: win.observer_stealer

Threat Analysis

ObserverStealer is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://medium.com/@cyberhust1er/observerstealer-unmasking-the-new-contender-in-cyber-crime-6e54a40d801d

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

ObserverStealerwin.observer_stealer

External Intelligence

Malpedia: win.observer_stealer

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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