General

  • Target
    796ed4b0db9b3d50149b39c35c97fb22
  • Size 2.8MB
  • Sample240127-ghd2rseeb2
  • SHA256 37db478cd1a50883e179c601987b3a5171823aaa9d04063817fa7af57723ffb7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7.3

Botnet
  • Client

C2
  • dontreachme3.ddns.net:3604

Mutex
  • EdgeBrowser.exe

Attributes
  • reg_key

    EdgeBrowser.exe

  • splitter

    123

Targets

    • Target
      796ed4b0db9b3d50149b39c35c97fb22
    • Size 2.8MB
    • SHA256 37db478cd1a50883e179c601987b3a5171823aaa9d04063817fa7af57723ffb7
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • UAC bypass

    • Windows security bypass

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Nirsoft

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks