General

  • Target

    ImageLoggerBuilder.exe

  • Size

    3.1MB

  • Sample

    241017-tjbdgstcpc

  • MD5

    32ee83c0da0f7c355e7600bfe40cfe89

  • SHA1

    9616e83a0cf27f21a561f0d3ea292254b9b685d2

  • SHA256

    e15a03db8ad4475fcc712d10500810aca8f925512b39c5bad6f1c1a20c6f785d

  • SHA512

    e5ddad8f8640ed1b514fd6f9c1817e18290ba1bcc8654f150b31fe817065f99028f79cfeea6e4145a701b38fa21b7f8b3f14c11e4084f3650957e6e424975088

  • SSDEEP

    49152:mvyI22SsaNYfdPBldt698dBcjHbemDmzKKoGd1THHB72eh2NT:mvf22SsaNYfdPBldt6+dBcjHbemU

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Aynamit-58285.portmap.io:58285

Mutex

7d6c4039-1882-4ac3-8711-9edc060091eb

Attributes
  • encryption_key

    B414A2AEA68C8F212513170411C6C2ACB8A1A963

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      ImageLoggerBuilder.exe

    • Size

      3.1MB

    • MD5

      32ee83c0da0f7c355e7600bfe40cfe89

    • SHA1

      9616e83a0cf27f21a561f0d3ea292254b9b685d2

    • SHA256

      e15a03db8ad4475fcc712d10500810aca8f925512b39c5bad6f1c1a20c6f785d

    • SHA512

      e5ddad8f8640ed1b514fd6f9c1817e18290ba1bcc8654f150b31fe817065f99028f79cfeea6e4145a701b38fa21b7f8b3f14c11e4084f3650957e6e424975088

    • SSDEEP

      49152:mvyI22SsaNYfdPBldt698dBcjHbemDmzKKoGd1THHB72eh2NT:mvf22SsaNYfdPBldt6+dBcjHbemU

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks