General

  • Target

    Cleaner.exe

  • Size

    3.1MB

  • Sample

    250105-seqryaxmgz

  • MD5

    f1f656fdd0c4224b3900a4c2d50443e6

  • SHA1

    9b2879d91a63e6437ec7b47a5c39dd5cc64c9df3

  • SHA256

    e278b36305e60e18a29c4b388248a78bd9c58fabc17fa9943392c43e7a49588e

  • SHA512

    2b8ea438b308c94d463f06c8a04da1fa292f448b6f024e59423a1df5f5693b4957d12ffef6d03679f2d4a0c93d93ba16d8acf5c74f694f3a1a5b91aae1d378cf

  • SSDEEP

    49152:GvyI22SsaNYfdPBldt698dBcjHlCy1JzLoGdZTHHB72eh2NT:Gvf22SsaNYfdPBldt6+dBcjHlCm

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.145:4782

Mutex

9d952f82-b8b7-4948-b2b7-53c225a63ebb

Attributes
  • encryption_key

    AAB9DCB0841C8C889A6BCA76764D0770416B2FE1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Cleaner.exe

    • Size

      3.1MB

    • MD5

      f1f656fdd0c4224b3900a4c2d50443e6

    • SHA1

      9b2879d91a63e6437ec7b47a5c39dd5cc64c9df3

    • SHA256

      e278b36305e60e18a29c4b388248a78bd9c58fabc17fa9943392c43e7a49588e

    • SHA512

      2b8ea438b308c94d463f06c8a04da1fa292f448b6f024e59423a1df5f5693b4957d12ffef6d03679f2d4a0c93d93ba16d8acf5c74f694f3a1a5b91aae1d378cf

    • SSDEEP

      49152:GvyI22SsaNYfdPBldt698dBcjHlCy1JzLoGdZTHHB72eh2NT:Gvf22SsaNYfdPBldt6+dBcjHlCm

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks