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RawCookie is a backdoor/RAT referenced as part of the CL-STA-1048 espionage toolkit observed by Palo Alto Networks Unit 42 during a persistent cyberespionage campaign targeting a government organization in Southeast Asia in mid-2025. In the provided reporting, CL-STA-1048 is described as using multiple espionage payloads and RATs, including RawCookie, EggStreme Loader, Gorem RAT, and Masol RAT. The cluster was assessed as likely China-affiliated, with possible links to Earth Estries assessed at low confidence and broader tooling overlap noted with previously reported China-aligned campaigns such as Crimson Palace and Earth Estries. The available content does not provide specific technical details for RawCookie itself such as infection vector, command-and-control protocol, persistence mechanism, or indicators of compromise; it only places the malware within this espionage toolset used against a Southeast Asian government target.
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Backdoor used as part of the CL-STA-1048 espionage toolkit.
One cluster, “CL-STA-1048,” employed tools such as RawCookie, EggStreme Loader, Gorem RAT, and Masol RAT.
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