General

  • Target

    xmrhZ7VhlJjD.exe

  • Size

    348KB

  • Sample

    240418-qbgzhsfa6s

  • MD5

    b12dcc0b6399196333d30649f325397f

  • SHA1

    6f208c9b6d3dae57e4c22d5e319db0d237feb909

  • SHA256

    498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964

  • SHA512

    f7e1cd332733a28636439775e501870b5a9d90899357ee27ed51a647c15be614bcdbcfc5acef7fc0b3085ecca2a45eb1496ec88e26cfe6e08c9b4c2bf6198146

  • SSDEEP

    6144:67qQ4i1FFiEKyK5ALbddCEaBHGdNXUnO:8plipKddGIdBUnO

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

companinuevoano1.con-ip.com:4782

Mutex

QSR_MUTEX_l1M93VuqIyiH8hEQ4I

Attributes
  • encryption_key

    rFxyS0ilcLEI1ldtBJAu

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      xmrhZ7VhlJjD.exe

    • Size

      348KB

    • MD5

      b12dcc0b6399196333d30649f325397f

    • SHA1

      6f208c9b6d3dae57e4c22d5e319db0d237feb909

    • SHA256

      498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964

    • SHA512

      f7e1cd332733a28636439775e501870b5a9d90899357ee27ed51a647c15be614bcdbcfc5acef7fc0b3085ecca2a45eb1496ec88e26cfe6e08c9b4c2bf6198146

    • SSDEEP

      6144:67qQ4i1FFiEKyK5ALbddCEaBHGdNXUnO:8plipKddGIdBUnO

    • 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