General

  • Target

    https://temp.sh/WwJqO/vmware.exe

  • Sample

    240623-1sa8eateng

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

windowsdefender

C2

88.168.211.65:6522

Mutex

9300538b8eb52046b545ea0eefc265d2

Attributes
  • reg_key

    9300538b8eb52046b545ea0eefc265d2

  • splitter

    Y262SUCZ4UJJ

Targets

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks