General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240407-hxb2dsgb25

  • MD5

    4e8104f121f749309278ca96ff6ef98c

  • SHA1

    2ab8fbfdf3e6d1a7ebd4c8c44167f9fad27d5bbe

  • SHA256

    e7b754e64624b086565c411c9303af3e63251cfd3a11c9b09387a2334313d8fd

  • SHA512

    6edc1b90c1029de4a843e42449c14d462f27ab886b729448301934acfdcdcaca5bb4759dffe9a4c502f5d22bf095a16a04bb3db114b5903594e4a512798653be

  • SSDEEP

    49152:rvwG42pda6D+/PjlLOlg6yQipVhILEsWbk/gJoGdkITHHB72eh2NT:rvz42pda6D+/PjlLOlZyQipVhI0

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

predictor.serveblog.net:4782

192.168.1.102:4782

Mutex

755f883f-4d58-4349-bc9e-f21c4e163b6f

Attributes
  • encryption_key

    EE65D8F2E429F4900E3A17963595716D863A2455

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      4e8104f121f749309278ca96ff6ef98c

    • SHA1

      2ab8fbfdf3e6d1a7ebd4c8c44167f9fad27d5bbe

    • SHA256

      e7b754e64624b086565c411c9303af3e63251cfd3a11c9b09387a2334313d8fd

    • SHA512

      6edc1b90c1029de4a843e42449c14d462f27ab886b729448301934acfdcdcaca5bb4759dffe9a4c502f5d22bf095a16a04bb3db114b5903594e4a512798653be

    • SSDEEP

      49152:rvwG42pda6D+/PjlLOlg6yQipVhILEsWbk/gJoGdkITHHB72eh2NT:rvz42pda6D+/PjlLOlZyQipVhI0

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks