General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250126-tbpwxawrgn

  • MD5

    dbfef66bf349ab7fe2838a9ed74f8a1c

  • SHA1

    6a14d23ab76f8f6d4718961973887e6c40c4cba7

  • SHA256

    d44aee670b1d99380664dad1ec5b34d227c57daa6d227cb7a34dcbde2d17ce34

  • SHA512

    9462583458cac632e0468f3d13349eaf06096b3baf477752555d2bb62de0cdbb7b6627f83f443af0d19c8e7a538935583e909b3a8a034e666d9f4f5c502c8379

  • SSDEEP

    49152:HvvI22SsaNYfdPBldt698dBcjHAzrPNLoGdA+8THHB72eh2NT:Hvg22SsaNYfdPBldt6+dBcjHAzrPF

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

91.214.78.9.:6060

Mutex

31283d2c-95dd-43d7-900b-dd9f142936fa

Attributes
  • encryption_key

    AC9DA8F6C4A1AF45A887B8572F8419D3568F2FE3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      dbfef66bf349ab7fe2838a9ed74f8a1c

    • SHA1

      6a14d23ab76f8f6d4718961973887e6c40c4cba7

    • SHA256

      d44aee670b1d99380664dad1ec5b34d227c57daa6d227cb7a34dcbde2d17ce34

    • SHA512

      9462583458cac632e0468f3d13349eaf06096b3baf477752555d2bb62de0cdbb7b6627f83f443af0d19c8e7a538935583e909b3a8a034e666d9f4f5c502c8379

    • SSDEEP

      49152:HvvI22SsaNYfdPBldt698dBcjHAzrPNLoGdA+8THHB72eh2NT:Hvg22SsaNYfdPBldt6+dBcjHAzrPF

    • 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