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UAC-0218 is a Russia-linked threat cluster active since at least 2024 and observed intensifying operations in early 2025 against Ukrainian defense-related targets. The actor is associated with phishing campaigns designed to deliver HOMESTEEL, a file-stealing malware family. Reported delivery chains rely on socially engineered emails that direct recipients to archived payloads hosted on legitimate online services, including password-protected document lures and encrypted script components used to launch the malware. The group’s operations are consistent with credential and data collection objectives in support of Russian cyber operations against Ukraine. Its targeting has focused on defense forces and broader military-related entities in Ukraine. The actor’s tradecraft centers on initial access through phishing, use of booby-trapped archives and malicious document-themed lures, and subsequent deployment of stealer malware for collection and exfiltration. UAC-0218 forms part of the broader ecosystem of Russian threat activity tracked against Ukraine during 2024–2025, alongside other UAC-designated clusters conducting espionage-oriented intrusions.
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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.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
UAC-0218 is running phishing campaigns using password-protected Office files and encrypted scripts to deliver the HOMESTEEL malware for file theft.
Phishing campaigns against Ukrainian defense forces delivering HOMESTEEL via weaponized RAR archives.
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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.
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Domains, IPs, and hashes tied to this actor, refreshed continuously.