General

  • Target
    jaffacakes118_Trojan.MSIL.Zapchast.ct.f890bf8f1557cef930d407471b43cf8c
  • Size 4.1MB
  • Sample261016-d97xdagy8p
  • SHA256 165ff1578ec1e7cec6fac6fbbb3522012beb5cb616c2bb8896ae71ff6aa2b3d2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • 2012

C2
  • 127.0.0.1:1604

  • newsi123.no-ip.org:1604

Mutex
  • DC_MUTEX-BZVR673

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    QcfEX6iwy5nE

  • install

    true

  • offline_keylogger

    true

  • password

    azerazer

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      jaffacakes118_Trojan.MSIL.Zapchast.ct.f890bf8f1557cef930d407471b43cf8c
    • Size 4.1MB
    • SHA256 165ff1578ec1e7cec6fac6fbbb3522012beb5cb616c2bb8896ae71ff6aa2b3d2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Blackshades payload

    • Family: Blackshades

      Blackshades is a remote access trojan with various capabilities.

    • Family: Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

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

    • Checks computer location settings

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

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks