Skuld

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Skuld, also known as TMPN Stealer, is an information-stealing malware written in Golang (Go) that emerged in May 2023.

Threat Analysis

Skuld 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://cyble.com/blog/hexalocker-v2-being-proliferated-by-skuld-stealer/

→https://github.com/hackirby/skuld

→https://research.checkpoint.com/2025/from-trust-to-threat-hijacked-discord-invites-used-for-multi-stage-malware-delivery/

→https://www.acronis.com/en-sg/cyber-protection-center/posts/tmpn-skuld-stealer-the-dark-side-of-open-source

→https://www.trellix.com/blogs/research/skuld-the-infostealer-that-speaks-golang/

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

TMPNwin.skuldSkuld

External Intelligence

Malpedia: win.skuld

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.

← All Threat Actors·Geopolitics Map·Search Skuld