APT / THREAT GROUP

AndroMut

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Proofpoint, AndroMut is a new downloader malware written in C++ that Proofpoint researchers began observing in the wild in June 2019. The “Andro” part of the name comes from some of the pieces which bear resemblance to another downloader malware known as Andromeda [1] and “Mut” is based off a mutex that the analyzed sample creates: “mutshellmy777”.

Threat Analysis

AndroMut 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://blog.intel471.com/2020/05/21/a-brief-history-of-ta505/

→https://documents.trendmicro.com/assets/Tech-Brief-Latest-Spam-Campaigns-from-TA505-Now-Using-New-Malware-Tools-Gelup-and-FlowerPippi.pdf

→https://intel471.com/blog/a-brief-history-of-ta505

→https://outpost24.com/blog/using-qiling-framework-to-unpack-ta505-packed-samples/

→https://ti.qianxin.com/uploads/2020/02/13/cb78386a082f465f259b37dae5df4884.pdf

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

win.andromutGelupAndroMut

External Intelligence

Malpedia: win.andromut

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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