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General

  • Target

    16888128718a66611c1d86e12.datdecoded

  • Size

    348KB

  • Sample

    230709-m37sgacd69

  • MD5

    7834a7e88c159e7f55934c740ca39935

  • SHA1

    c5a4dcd4454df284e95472a972511c2488bd79ac

  • SHA256

    b8eda4e9e691fe7017981cea833b63299ea6b89e08f3995b630cf705a393d16b

  • SHA512

    2c3f4f70cb898eb6fafa60b8f55301ef4b3c1918c527bec6f8721c5146c4affef28bdabda991fdb799df78dc74d70af7d57989fb00dcb787e23a42ee851b4b7d

  • SSDEEP

    6144:r2NHXf500MRWfu7waMmbUIgiWebh4OIqppWH5t5BW:yd50Ku8bNOSqpgH5/BW

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

qrss.duckdns.org:54790

Mutex

QSR_MUTEX_zlSKJvcuVjgb1gOk4J

Attributes
  • encryption_key

    vUOWxZSgsTmyyUM9Rgsw

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      16888128718a66611c1d86e12.datdecoded

    • Size

      348KB

    • MD5

      7834a7e88c159e7f55934c740ca39935

    • SHA1

      c5a4dcd4454df284e95472a972511c2488bd79ac

    • SHA256

      b8eda4e9e691fe7017981cea833b63299ea6b89e08f3995b630cf705a393d16b

    • SHA512

      2c3f4f70cb898eb6fafa60b8f55301ef4b3c1918c527bec6f8721c5146c4affef28bdabda991fdb799df78dc74d70af7d57989fb00dcb787e23a42ee851b4b7d

    • SSDEEP

      6144:r2NHXf500MRWfu7waMmbUIgiWebh4OIqppWH5t5BW:yd50Ku8bNOSqpgH5/BW

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix

Tasks