General

  • Target

    Installer.exe

  • Size

    3.1MB

  • Sample

    241129-gw92cszmbw

  • MD5

    19570d471b4f795bf854b8f8951d28f0

  • SHA1

    9d43a2c713ca6d8d7ecf2b9546b24add96612994

  • SHA256

    9057d608444db943deadf4f2b4da0b6c9e8bbfcb1efcf451679fa2cf1e7f3a18

  • SHA512

    f3f059d81f29f3e3607f9837be54226a5a82f83d64c812b01b6a3200abc3e3a41360a931dfe143c07359df5bb07bcb5dc695882a715ccf635c3ab5a54bb59298

  • SSDEEP

    49152:3vyI22SsaNYfdPBldt698dBcjHAD6eCLogoGdGfTHHB72eh2NT:3vf22SsaNYfdPBldt6+dBcjHAD63W

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

azxq0ap.localto.net:3425

Mutex

e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Installer.exe

    • Size

      3.1MB

    • MD5

      19570d471b4f795bf854b8f8951d28f0

    • SHA1

      9d43a2c713ca6d8d7ecf2b9546b24add96612994

    • SHA256

      9057d608444db943deadf4f2b4da0b6c9e8bbfcb1efcf451679fa2cf1e7f3a18

    • SHA512

      f3f059d81f29f3e3607f9837be54226a5a82f83d64c812b01b6a3200abc3e3a41360a931dfe143c07359df5bb07bcb5dc695882a715ccf635c3ab5a54bb59298

    • SSDEEP

      49152:3vyI22SsaNYfdPBldt698dBcjHAD6eCLogoGdGfTHHB72eh2NT:3vf22SsaNYfdPBldt6+dBcjHAD63W

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks