General

  • Target

    bf9d1ce445841e9cc60347ec69a86ce1131695e93c50235022ed5964d428c15d

  • Size

    1.1MB

  • Sample

    220420-f699fadbh3

  • MD5

    a7bb91d79310d34d7c94e897257b3b5f

  • SHA1

    156ef770d35ffc4da767fe156a91af27ec2808bd

  • SHA256

    bf9d1ce445841e9cc60347ec69a86ce1131695e93c50235022ed5964d428c15d

  • SHA512

    9a067c7d1382b6ab9869345d4f6d524f8ab3c0d862162ad5e48184a35b5dc8ebd9674dd8b81667b78b3e43895e9d97509d63d1642be15d35b390567a47f10284

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

      bf9d1ce445841e9cc60347ec69a86ce1131695e93c50235022ed5964d428c15d

    • Size

      1.1MB

    • MD5

      a7bb91d79310d34d7c94e897257b3b5f

    • SHA1

      156ef770d35ffc4da767fe156a91af27ec2808bd

    • SHA256

      bf9d1ce445841e9cc60347ec69a86ce1131695e93c50235022ed5964d428c15d

    • SHA512

      9a067c7d1382b6ab9869345d4f6d524f8ab3c0d862162ad5e48184a35b5dc8ebd9674dd8b81667b78b3e43895e9d97509d63d1642be15d35b390567a47f10284

    • 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