ATANK
Intelligence Profile
According to Lukas Stefanko, this is an open-source crypto-ransomware found on Github in 2018.
IT can en/decrypt files (AES, key: 32 random chars, sent to C&C), uses email as contact point but will remove all files after 24 hours or after a reboot.
Threat Analysis
ATANK is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.
Financially motivated threat actors like ATANK prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
With high sophistication, ATANK is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.