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Open Threat Intel Archive

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G0003threat actor

Cleaver

a.k.a. Threat Group 2889, TG-2889

Cleaver is a threat group that has been attributed to Iranian actors and is responsible for activity tracked as Operation Cleaver. Strong circumstantial evidence suggests Cleaver is linked to Threat Group 2889 (TG-2889).

MITRE ATT&CK ↗

Linked entities · 10

usesS0056Net Crawler usesT1003.001LSASS Memory usesT1557.002ARP Cache Poisoning usesS0029PsExec usesT1588.002Tool usesS0004TinyZBot usesT1587.001Malware usesT1585.001Social Media Accounts usesS0002Mimikatz mentions bycda2eb3747849d40Operation Cleaver: The Notepad Fi…