General

  • Target

    afe6ffe01133465cb36e3822a6a0583dc2041f405d82fe231d0ecc95ec05c7c7

  • Size

    1.3MB

  • Sample

    220415-a48pyaehgn

  • MD5

    911fba11f3c34d2e3d58b3a1686886ed

  • SHA1

    579dd4231fc1dbbe109f3beb08a793ed02eff09e

  • SHA256

    afe6ffe01133465cb36e3822a6a0583dc2041f405d82fe231d0ecc95ec05c7c7

  • SHA512

    49f99c8cf0812db0b88f691d532ddea4f2bc8ef9b4b6e99842f402bb370e53684e86dd3bd2b506785c13dcbb0745ff40c8129249989aaca7177a736b43076f9c

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

      afe6ffe01133465cb36e3822a6a0583dc2041f405d82fe231d0ecc95ec05c7c7

    • Size

      1.3MB

    • MD5

      911fba11f3c34d2e3d58b3a1686886ed

    • SHA1

      579dd4231fc1dbbe109f3beb08a793ed02eff09e

    • SHA256

      afe6ffe01133465cb36e3822a6a0583dc2041f405d82fe231d0ecc95ec05c7c7

    • SHA512

      49f99c8cf0812db0b88f691d532ddea4f2bc8ef9b4b6e99842f402bb370e53684e86dd3bd2b506785c13dcbb0745ff40c8129249989aaca7177a736b43076f9c

    • 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