General

  • Target

    f72b3d37eccda431076b6c55d02aab44f6ca4d3138026b2fd4031593bac4c2de

  • Size

    3.3MB

  • Sample

    220420-emhveaaeb9

  • MD5

    4ef58bf7cc5c16dd648a78ad891d93c5

  • SHA1

    ca979396adf363f2674188dab632ec1aa73f2bcc

  • SHA256

    f72b3d37eccda431076b6c55d02aab44f6ca4d3138026b2fd4031593bac4c2de

  • SHA512

    d83c5ca9e63f8fc98615ce808133dabb7501614818e1cef2f476f2a6a193d6d6dc3ed629c5df9c3e67a51317c147683d3e2249ca8f45a4b36470ef40ea7d792d

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

      f72b3d37eccda431076b6c55d02aab44f6ca4d3138026b2fd4031593bac4c2de

    • Size

      3.3MB

    • MD5

      4ef58bf7cc5c16dd648a78ad891d93c5

    • SHA1

      ca979396adf363f2674188dab632ec1aa73f2bcc

    • SHA256

      f72b3d37eccda431076b6c55d02aab44f6ca4d3138026b2fd4031593bac4c2de

    • SHA512

      d83c5ca9e63f8fc98615ce808133dabb7501614818e1cef2f476f2a6a193d6d6dc3ed629c5df9c3e67a51317c147683d3e2249ca8f45a4b36470ef40ea7d792d

    • 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