General

  • Target

    tmp

  • Size

    3.1MB

  • Sample

    231121-xnjgfagb96

  • MD5

    cac610eeae60d8291a852ad9dda90c81

  • SHA1

    d97afeabdc465c60ba040becfbc5abde19ec9326

  • SHA256

    7fbdff8ee9930b76ae1ca9310f493ae700e1f7c9aa1b32c47fca64a240317ed4

  • SHA512

    887edd3ac530c3014aea7d8aab97756aabf250c5cecf01c837a19787403ca6dcb0ed1e84a6842af69c4418e14e7bd9327762db228344229df24ff536ae81d2e5

  • SSDEEP

    49152:uvct62XlaSFNWPjljiFa2RoUYIy6RJ6LbR3LoGduTHHB72eh2NT:uvg62XlaSFNWPjljiFXRoUYIy6RJ6d

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

127.0.0.1:7777

Mutex

e74501e4-0d13-44ea-ab56-f5adb400d53b

Attributes
  • encryption_key

    122EFF89481AC09109CB9613ECDFDD3EE770EBD3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    300000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      tmp

    • Size

      3.1MB

    • MD5

      cac610eeae60d8291a852ad9dda90c81

    • SHA1

      d97afeabdc465c60ba040becfbc5abde19ec9326

    • SHA256

      7fbdff8ee9930b76ae1ca9310f493ae700e1f7c9aa1b32c47fca64a240317ed4

    • SHA512

      887edd3ac530c3014aea7d8aab97756aabf250c5cecf01c837a19787403ca6dcb0ed1e84a6842af69c4418e14e7bd9327762db228344229df24ff536ae81d2e5

    • SSDEEP

      49152:uvct62XlaSFNWPjljiFa2RoUYIy6RJ6LbR3LoGduTHHB72eh2NT:uvg62XlaSFNWPjljiFXRoUYIy6RJ6d

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks