DragonForce Exploits SimpleHelp Flaws to Deploy Ransomware Across Customer Endpoints
May 29, 2025
Supply Chain Attack / Ransomware
The threat actors behind the DragonForce ransomware gained access to an unnamed Managed Service Provider's (MSP) SimpleHelp remote monitoring and management (RMM) tool, and then leveraged it to exfiltrate data and drop the locker on multiple endpoints. It's believed that the attackers exploited a trio of security flaws in SimpleHelp (CVE-2024-57727, CVE-2024-57728, and CVE-2024-57726) that were disclosed in January 2025 to access the MSP's SimpleHelp deployment, according to an analysis from Sophos. The cybersecurity company said it was alerted to the incident following a suspicious installation of a SimpleHelp installer file, pushed via a legitimate SimpleHelp RMM instance that's hosted and operated by the MSP for their customers. The threat actors have also been found to leverage their access through the MSP's RMM instance to collect information from different customer environments about device names and configuration, users, and network connections. Altho...