HOMETHREATSFatalRat
APT / THREAT GROUP

FatalRat

3
aliases
Last seen:Mar 17, 2026

Intelligence Profile

FatalRAT is a most-likely chinese remote access tool distributed through forums and Telegram channels. FatalRAT executes various anti-virtual machine tests to avoid detection before fully infecting systems. Upon successful infiltration, it decrypts configuration strings, disables the CTRL+ALT+DELETE function, and activates a keylogger.

The malware can establish persistence via registry modifications or service creation, collect sensitive data, and communicate with its command and control (C&C) server using encrypted methods. FatalRAT also employs techniques like brute-force attacks against weak passwords to propagate within networks.

Threat Analysis

FatalRat is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

Quick Facts

TypeAPT / Threat Group
Aliases3

Also Known As

Sainbox RATwin.fatal_ratFatalRat

External Intelligence

Malpedia: win.fatal_rat

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
FatalRat — APT / Threat Group | Threat Intelligence | CTIWATCH.COM