General

  • Target

    30efa81a5d0d9bf04a00b4e30823c2f0c7bd6461383acf0195d857edf2162543.exe

  • Size

    288KB

  • Sample

    250104-clz17axrgk

  • MD5

    cc5e91e1a0c3ca5edf2bdba7fa252827

  • SHA1

    004ba0788113ebb3bce8eaf63fa53c70caa91079

  • SHA256

    30efa81a5d0d9bf04a00b4e30823c2f0c7bd6461383acf0195d857edf2162543

  • SHA512

    14ee287465bc50dc16ad042d35a14f9e676f645dabf4c4dfbd8f225845e45ab73fee6c3d7967fe44a21994ddbd5b76d0cbd01ec0a2784f913587313c4a407249

  • SSDEEP

    6144:E7zO0LSclT6FOwEP5Kq+SMv0VGb7bDcllbkln:6lJtTF9zVGkllbk5

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

85.192.29.60:5173

Mutex

QAPB6w0UbYXMvQdKRF

Attributes
  • encryption_key

    pxC3g4rfVijQxK1hMGwM

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

Targets

    • Target

      30efa81a5d0d9bf04a00b4e30823c2f0c7bd6461383acf0195d857edf2162543.exe

    • Size

      288KB

    • MD5

      cc5e91e1a0c3ca5edf2bdba7fa252827

    • SHA1

      004ba0788113ebb3bce8eaf63fa53c70caa91079

    • SHA256

      30efa81a5d0d9bf04a00b4e30823c2f0c7bd6461383acf0195d857edf2162543

    • SHA512

      14ee287465bc50dc16ad042d35a14f9e676f645dabf4c4dfbd8f225845e45ab73fee6c3d7967fe44a21994ddbd5b76d0cbd01ec0a2784f913587313c4a407249

    • SSDEEP

      6144:E7zO0LSclT6FOwEP5Kq+SMv0VGb7bDcllbkln:6lJtTF9zVGkllbk5

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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 Enterprise v15

Tasks