General

  • Target
    https://github.com/Da2dalus/The-MALWARE-Repo/blob/master
  • Sample261103-bhq4fagg55

Malware Config

Extracted

Family
  • revengerat

Botnet
  • Guest

C2
  • 0.tcp.ngrok.io:19521

Mutex
  • RV_MUTEX

Extracted

Family
  • warzonerat

C2
  • 168.61.222.215:5400

Extracted

Family
  • crimsonrat

C2
  • 185.136.161.124

Targets

    • CrimsonRAT main payload

    • Family: CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • Family: Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    • Family: RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Family: WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzone RAT payload

    • Detects Floxif payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks