General

  • Target

    HwidChecker.exe

  • Size

    3.1MB

  • Sample

    240806-vm4pwavbrk

  • MD5

    b6f7686e5d162b9ad7fc3c829c98f2e8

  • SHA1

    9262f36af2986a6c8459b91a76064b1a86f66550

  • SHA256

    3aad476bc33ebbca38d7def91669e379a3563aaa7f5beddf9cfa0994946a2294

  • SHA512

    506691916a3fd10b0470069e1afaaf18473cfd9025fd3c2b3359bb780ac36250142bc02237778bb2a58d534f31b97c7423d2b98797565a275e3ccc1fb14f57ad

  • SSDEEP

    49152:yvUt62XlaSFNWPjljiFa2RoUYI+C81Jn6oGdJTHHB72eh2NT:yvI62XlaSFNWPjljiFXRoUYI+CJ

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.0.0.91:4782

Mutex

9ed05a87-25fb-402e-a6a4-b613c5088d3d

Attributes
  • encryption_key

    1E317FE2D0D84B0CA0BFA596778B8CC9702863D6

  • install_name

    HwidChecker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      HwidChecker.exe

    • Size

      3.1MB

    • MD5

      b6f7686e5d162b9ad7fc3c829c98f2e8

    • SHA1

      9262f36af2986a6c8459b91a76064b1a86f66550

    • SHA256

      3aad476bc33ebbca38d7def91669e379a3563aaa7f5beddf9cfa0994946a2294

    • SHA512

      506691916a3fd10b0470069e1afaaf18473cfd9025fd3c2b3359bb780ac36250142bc02237778bb2a58d534f31b97c7423d2b98797565a275e3ccc1fb14f57ad

    • SSDEEP

      49152:yvUt62XlaSFNWPjljiFa2RoUYI+C81Jn6oGdJTHHB72eh2NT:yvI62XlaSFNWPjljiFXRoUYI+CJ

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks