General

  • Target

    https://github.com/Da2dalus/The-MALWARE-Repo

  • Sample

    240915-w658gsxakb

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

0.tcp.ngrok.io:19521

Mutex

RV_MUTEX

Targets

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • RevengeRat Executable

    • mimikatz is an open source tool to dump credentials on Windows

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks