PureCrypter Deploys Agent Tesla and New TorNet Backdoor in Ongoing Cyberattacks
Jan 28, 2025
Phishing Attack / Network Security
A financially motivated threat actor has been linked to an ongoing phishing email campaign that has been ongoing since at least July 2024 specifically targeting users in Poland and Germany. The attacks have led to the deployment of various payloads, such as Agent Tesla , Snake Keylogger , and a previously undocumented backdoor dubbed TorNet that's delivered by means of PureCrypter . TorNet is so named owing to the fact that it allows the threat actor to communicate with the victim machine over the TOR anonymity network. "The actor is running a Windows scheduled task on victim machines—including on endpoints with a low battery—to achieve persistence," Cisco Talos researcher Chetan Raghuprasad said in an analysis published today. "The actor also disconnects the victim machine from the network before dropping the payload and then connects it back to the network, allowing them to evade detection by cloud antimalware solutions." The starting point of the attac...