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UAC-0057 Attack Detection: OYSTERFRESH, OYSTERSHUCK, and OYSTERBLUES Fuel Phishing Campaigns Against Ukrainian State Organizations

SP
SOC Prime
Published May 25, 2026Original Report

Threat Actors

Malware Families

Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYUNC1151INFRASTRUCTUREunknownCAPABILITYCobalt StrikeVICTIMunknown
Adversary(1)
Infrastructure
Capability(1)
Victim

5W+H Threat Analysis

Analysis unavailable

Indicators of Compromise

No IOCs extracted from this report.

IOC Relationship Graph

IOC Relationship Graph0 total IOCs
Actors1Malware1REPORTUAC-0057 Attack Detection:UNC1151Cobalt Strike
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