Extracted

• • Target

    f9a5cc1ca05c8bd98c407b513cebc621e69b226161c85779c5a4fe360a8025d9

  • Size

    1.1MB

  • MD5

    7a573e252438c649424b65ea23fece59

  • SHA1

    e045ff31b02629170f6dd025a21b674796f056ca

  • SHA256

    f9a5cc1ca05c8bd98c407b513cebc621e69b226161c85779c5a4fe360a8025d9

  • SHA512

    c2ead8930d51f7441e9baa15c493b0c8b9266b10b0330430a5ff7a205c5c0a44f85ab33d6a76583b107834b81796f15ce39b13243c1e7e68f8aee7cd584626de

  Score

  10^/10

  quasarvenomratoffice04evasionpersistenceratrootkitspywarestealertrojan

  • 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 WinLogon for persistence

    persistence

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • Quasar Payload

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • VenomRAT

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

    ratrootkitstealervenomrat

  • Executes dropped EXE

  • Checks computer location settings

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

  • Loads dropped DLL

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2