General

  • Target

    OTP BOT CRACKED.exe

  • Size

    692KB

  • Sample

    230120-3w971sca4t

  • MD5

    57142dab96fabd2d6c9361ebf8a9b2b2

  • SHA1

    46d08ee2df6df25352ef2b310bff8e42e99e6166

  • SHA256

    3b2166067b82633f6773b3da714db496796054a315d6c870763e1a4641c6821c

  • SHA512

    215facd7e421647391055ac823d27d15f8d90e45e88002305c2028e2c29a4828fc05f69858d84c96dfa44cbb372a64a21d02c60c756941e48080925e7e8dd331

  • SSDEEP

    12288:FgHxLPNU1AoiCepLYI2UH92+JlAlB3GQrrCEvL6Dd6S7sQo:ilXoApNTH9eGQrrCE47s

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

FINAL

C2

192.253.245.243:7812

Mutex

VNM_MUTEX_qM9TbqrSltZ0u3P1Qz

Attributes
  • encryption_key

    KCyrElxCqTCYe4YGdIaR

  • install_name

    Windows Security.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Windows Security Service

Targets

    • Target

      OTP BOT CRACKED.exe

    • Size

      692KB

    • MD5

      57142dab96fabd2d6c9361ebf8a9b2b2

    • SHA1

      46d08ee2df6df25352ef2b310bff8e42e99e6166

    • SHA256

      3b2166067b82633f6773b3da714db496796054a315d6c870763e1a4641c6821c

    • SHA512

      215facd7e421647391055ac823d27d15f8d90e45e88002305c2028e2c29a4828fc05f69858d84c96dfa44cbb372a64a21d02c60c756941e48080925e7e8dd331

    • SSDEEP

      12288:FgHxLPNU1AoiCepLYI2UH92+JlAlB3GQrrCEvL6Dd6S7sQo:ilXoApNTH9eGQrrCE47s

    • 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 RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • VenomRAT

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • 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.

MITRE ATT&CK Enterprise v6

Tasks