Terralogger
Intelligence Profile
TerraLogger is a standalone keylogger malware developed by Golden Chickens, a financially motivated threat actor. It uses a common low-level keyboard hook to record keystrokes and writes the logs to local files. The malware is typically delivered as an OCX file and employs initial execution checks before proceeding. Upon execution, it opens a file handle to log keystrokes and implements its keylogger using a SetWindowsHookExA hook. Keystrokes are written to the open log file, with special characters handled accordingly. Five distinct TerraLogger samples were identified, reflecting minor updates and active development.
Threat Analysis
Terralogger 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 Terralogger 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, Terralogger is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.