General

  • Target

    i0kg2848kgg.exe

  • Size

    3.1MB

  • Sample

    240426-ycff3saf77

  • MD5

    f931165b2e8b1d1d24cd36493f708d7c

  • SHA1

    88cb62105a1bf4e32d84723dd3caebc3882a6857

  • SHA256

    ed3d436f78e3058932b45efcedcae77b37f84188b93a2ce960554def5f71a799

  • SHA512

    f753b8e6db650883b4b5c71f8371ebebfb05a23369f995a2f1873cb9e545e003749139f49d2900d83c0522074ce0de62d175f7a7aadf5fb32ab2ea0a38de3bed

  • SSDEEP

    49152:+vVt62XlaSFNWPjljiFa2RoUYIU8ChemzKfoGdzRTHHB72eh2NT:+vn62XlaSFNWPjljiFXRoUYIlChwj

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

5.39.43.50:3647

Mutex

b215ee18-0d25-4a0d-87bf-d8bc6fe3f832

Attributes
  • encryption_key

    27B814BF937E2D529835DABA7D5B0B82A424AB74

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows

  • subdirectory

    SubDir

Targets

    • Target

      i0kg2848kgg.exe

    • Size

      3.1MB

    • MD5

      f931165b2e8b1d1d24cd36493f708d7c

    • SHA1

      88cb62105a1bf4e32d84723dd3caebc3882a6857

    • SHA256

      ed3d436f78e3058932b45efcedcae77b37f84188b93a2ce960554def5f71a799

    • SHA512

      f753b8e6db650883b4b5c71f8371ebebfb05a23369f995a2f1873cb9e545e003749139f49d2900d83c0522074ce0de62d175f7a7aadf5fb32ab2ea0a38de3bed

    • SSDEEP

      49152:+vVt62XlaSFNWPjljiFa2RoUYIU8ChemzKfoGdzRTHHB72eh2NT:+vn62XlaSFNWPjljiFXRoUYIlChwj

    • 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