APT / THREAT GROUP

Mars Stealer

aliases

Last seen:Mar 17, 2026

Intelligence Profile

3xp0rt describes Mars Stealer as an improved successor of Oski Stealer, supporting stealing from current browsers and targeting crypto currencies and 2FA plugins.

Threat Analysis

Mars 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

→https://3xp0rt.com/posts/mars-stealer

→https://blog.cyble.com/2022/08/02/fake-atomic-wallet-website-distributing-mars-stealer/

→https://blog.malwarebytes.com/threat-intelligence/2022/04/colibri-loader-combines-task-scheduler-and-powershell-in-clever-persistence-technique/

→https://blog.morphisec.com/threat-research-mars-stealer

→https://blog.sekoia.io/mars-a-red-hot-information-stealer/

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

Mars Stealerwin.mars_stealer

External Intelligence

Malpedia: win.mars_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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