TRIPLESTRENGTH Targets Cloud for Cryptojacking, On-Premises Systems for Ransomware Attacks

Google unveiled a financially driven threat actor, TRIPLESTRENGTH, targeting cloud environments for cryptojacking and on-premise ransomware operations.

“This actor engaged in a variety of threat activity, including cryptocurrency mining operations on hijacked cloud resources and ransomware activity,” Google Cloud noted in its 11th Threat Horizons Report.

TRIPLESTRENGTH employs a three-pronged attack strategy: unauthorized cryptocurrency mining, ransomware deployment, and offering cloud platform access—spanning services like Google Cloud, AWS, Azure, Linode, OVHCloud, and Digital Ocean—to other attackers. The group’s primary entry methods involve stolen credentials and cookies, often sourced from Raccoon Stealer logs. Compromised environments are used to create compute resources for mining cryptocurrency using tools like the unMiner application and the unMineable mining pool, optimized for both CPU and GPU algorithms.

Interestingly, TRIPLESTRENGTH has concentrated its ransomware efforts on on-premises systems, deploying lockers such as Phobos, RCRU64, and LokiLocker.

“In Telegram channels focused on hacking, actors linked to TRIPLESTRENGTH have posted advertisem

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