Rhysida Ransomware | RaaS Crawls Out of Crimeware Undergrowth to Attack Chilean Army

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The Rhysida ransomware-as-a-service (RaaS) group has gone from a dubious newcomer to a fully-fledged ransomware operation. Despite the developer’s partial implementation of some features, the group emerged onto the scene at the end of May with a high-profile attack against the Chilean Army, continuing the ongoing trend of ransomware groups targeting Latin American government institutions. On June 15, the group leaked the files stolen from the Chilean Army.
In this post, we provide a high-level overview of Rhysida ransomware activity and present technical details of the malware payloads, along with hunting rules and IoCs to aid threat hunters and security teams.