APT / THREAT GROUP

LucidRook

aliases

Last seen:May 10, 2026

Intelligence Profile

According to Cisco Talos, LucidRook is a sophisticated stager that embeds a Lua interpreter and Rust-compiled libraries within a dynamic-link library (DLL) to download and execute staged Lua bytecode payloads.

Threat Analysis

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

Intelligence Reports Mentioning LucidRook

New ‘LucidRook’ malware used in targeted attacks on NGOs, universities

BleepingComputer· Apr 9, 2026

UAT-10362 Targets Taiwanese NGOs with LucidRook Malware in Spear-Phishing Campaigns

The Hacker News· Apr 9, 2026

New Lua-based malware “LucidRook” observed in targeted attacks against Taiwanese organizations

Cisco Talos Blog· Apr 8, 2026

External References

→https://blog.talosintelligence.com/new-lua-based-malware-lucidrook/

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

win.lucidrookLucidRook

External Intelligence

Malpedia: win.lucidrook

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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