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DarkHotel, also tracked as APT-Q-12, APT-C-60, and Pseudo Hunter, is a cyber-espionage threat actor assessed in the supplied reporting as aligned with South Korea. The group is known for targeted intrusion campaigns that rely heavily on social engineering, stealthy malware delivery, and abuse of legitimate services to blend malicious activity into normal network traffic. It has been associated with the NAKSOO remote access trojan and with the SpyGlace backdoor family. Recent operations attributed to this cluster targeted organizations in Japan, including human resources personnel through job-application themed lures. The intrusion chain used malicious virtual disk images and shortcut-based execution to launch tooling and scripts, display decoy documents, and install downloader components. The actor established persistence through COM hijacking and used staged payload delivery to selectively deploy follow-on malware only after validating victims. The group has demonstrated mature defense-evasion tradecraft, including layered obfuscation, custom string and API-hash encoding, encrypted payload retrieval, and use of trusted online platforms for victim tracking, tasking, and payload hosting. SpyGlace variants attributed to the actor support modular execution, screenshot-related functionality, remote command handling, and stealthier autorun behavior across versions. The actor’s operational pattern indicates careful victim selection, iterative malware development, and sustained post-compromise access consistent with espionage objectives.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
1 malware family attributed to this actor across reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Espionage actor using the NAKSOO RAT; noted for rapidly changing tactics after public reporting and for targeting Japanese organizations.
Mentioned as a related group within/adjacent to the DarkHotel cluster, sharing infrastructure/tools/targeting (no additional operational details provided in this content).
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.