General

  • Target

    150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8

  • Size

    1.2MB

  • Sample

    220420-eqvclsafd5

  • MD5

    a56950b911b53a07e64b1a2f87c2907c

  • SHA1

    2d61afb037ac5ce044b5258b581b28badffae235

  • SHA256

    150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8

  • SHA512

    16a3417b212243bb8bb9814636f364971292a75cf2901d936141ddb7afa7ad63da52bcbfa429de7f867ac05fa71d7c7c34459d3e86243cecfeee46f34ccf0bcc

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Wraith00hrs

C2

100.26.221.183:4782

Mutex

VNM_MUTEX_kv7tSTHxhbSWaYVuIh

Attributes
  • encryption_key

    VyRhk9JpIqX4HHIRBxn8

  • install_name

    windows chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    chrome Startup

  • subdirectory

    SubDir

Extracted

Family

warzonerat

C2

100.26.221.183:5200

Targets

    • Target

      150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8

    • Size

      1.2MB

    • MD5

      a56950b911b53a07e64b1a2f87c2907c

    • SHA1

      2d61afb037ac5ce044b5258b581b28badffae235

    • SHA256

      150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8

    • SHA512

      16a3417b212243bb8bb9814636f364971292a75cf2901d936141ddb7afa7ad63da52bcbfa429de7f867ac05fa71d7c7c34459d3e86243cecfeee46f34ccf0bcc

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

    • WarzoneRat, AveMaria

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

    • Warzone RAT Payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks