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TA445 is a state-sponsored threat-activity cluster tracked by Proofpoint that includes UNC1151 and is associated with Ghostwriter activity. Its UNC1151 component has conducted widespread phishing campaigns targeting the private email accounts of Ukrainian armed service members. TA445 has also abused webmail vulnerabilities to compromise mail servers and steal email contents. These activities center on gaining access to email accounts and collecting mailbox data. UNC1151 is tracked as part of TA445, rather than necessarily representing the entirety of the cluster.
Who, where, and from where this actor operates. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
23 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt.
4 malware families attributed to this actor across reporting.
34 indicators attributed to this actor. Values are masked here and available in full in Mallory.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.