Resubmissions

09-01-2025 16:12

250109-tnzlwawmel 10

09-01-2025 16:08

250109-tlcpbswlhj 10

09-01-2025 16:04

250109-th4zeawldl 10

General

  • Target

    ddnstest.exe

  • Size

    3.1MB

  • Sample

    250109-tlcpbswlhj

  • MD5

    0b301a943083061bb0e95c688ad02dcf

  • SHA1

    b26d04fcad24a618a422ae156774218d42538d88

  • SHA256

    79b2e8bd0d46901502869063962252c0b80b77ff909f1e497bf4c04ae2f0ec71

  • SHA512

    58e8fa3c6dd985d89fa2cd6a6f91ce87929165cee9d85b0fb1cbb70cfb33053567a333464da804ee7cee80f33bb5b065de4817812b114b9c7dbe5ef60e6ab923

  • SSDEEP

    49152:avyI22SsaNYfdPBldt698dBcjHF2tjmzeEoGdzTHHB72eh2NT:avf22SsaNYfdPBldt6+dBcjHF2te

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

hiimbob.ddnsking.com:9112

Mutex

91f1b164-f669-47a1-b3ec-59976d66b33a

Attributes
  • encryption_key

    FD9ED3A6AE6574CE5C854385C6AC2FC432580344

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      ddnstest.exe

    • Size

      3.1MB

    • MD5

      0b301a943083061bb0e95c688ad02dcf

    • SHA1

      b26d04fcad24a618a422ae156774218d42538d88

    • SHA256

      79b2e8bd0d46901502869063962252c0b80b77ff909f1e497bf4c04ae2f0ec71

    • SHA512

      58e8fa3c6dd985d89fa2cd6a6f91ce87929165cee9d85b0fb1cbb70cfb33053567a333464da804ee7cee80f33bb5b065de4817812b114b9c7dbe5ef60e6ab923

    • SSDEEP

      49152:avyI22SsaNYfdPBldt698dBcjHF2tjmzeEoGdzTHHB72eh2NT:avf22SsaNYfdPBldt6+dBcjHF2te

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

MITRE ATT&CK Enterprise v15

Tasks