General

  • Target

    34e12b6ed242c02d15dca535ad869485e2ac55491e46181ce08ede26957bd94e

  • Size

    1.2MB

  • Sample

    220414-qvphpsaghk

  • MD5

    a7850e7c98d51d8143fac5ea73a8b7c1

  • SHA1

    d983449e7e47fd7abd80ebcd7e00941bcfe59c50

  • SHA256

    34e12b6ed242c02d15dca535ad869485e2ac55491e46181ce08ede26957bd94e

  • SHA512

    a8c91d8f41e57cb3e6e5247a17a4e9e103d64f7b53a4e2b8da7e9d1ee7c4578f9c191fd25a9f422d175034e59492535ee8d19045a1ac2ec836959527d23c48b9

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

shooter00hrs

C2

185.219.134.245:4782

Mutex

VNM_MUTEX_ZFDh9LaTbTmwqFwo3L

Attributes
  • encryption_key

    wGYjrQIx5abERLvzC8Zu

  • install_name

    windows chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    chrome Startup

  • subdirectory

    SubDir

Extracted

Family

warzonerat

C2

185.219.134.245:5200

Targets

    • Target

      34e12b6ed242c02d15dca535ad869485e2ac55491e46181ce08ede26957bd94e

    • Size

      1.2MB

    • MD5

      a7850e7c98d51d8143fac5ea73a8b7c1

    • SHA1

      d983449e7e47fd7abd80ebcd7e00941bcfe59c50

    • SHA256

      34e12b6ed242c02d15dca535ad869485e2ac55491e46181ce08ede26957bd94e

    • SHA512

      a8c91d8f41e57cb3e6e5247a17a4e9e103d64f7b53a4e2b8da7e9d1ee7c4578f9c191fd25a9f422d175034e59492535ee8d19045a1ac2ec836959527d23c48b9

    • 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.

    • suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3

      suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3

    • 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