General

  • Target

    SynapseX Launcher.exe

  • Size

    3.1MB

  • Sample

    240513-x5w4vsah4x

  • MD5

    571ee05d080ae18e48d4fd6ec2ae91b4

  • SHA1

    0415b6f4b4e851775af295d978627e5cd5b02580

  • SHA256

    3e0af01df095a209fa5c01e084e0839830a42355354eb68cf3a4f0ec229bbc54

  • SHA512

    f15ac943695216225ad18eb7eaea97e75fbf603dce8d6e2fc72db2c2b36baa0b5eba3e05ea1a18ea068c1d6247ce0fcc404ae8101b84f0522d2acc8aa15aae28

  • SSDEEP

    49152:fvrI22SsaNYfdPBldt698dBcjHI9RJ6GbR3LoGdhHkTHHB72eh2NT:fvU22SsaNYfdPBldt6+dBcjHI9RJ6A

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.114:4782

Mutex

d5420347-9156-4e09-98af-1ad46b220831

Attributes
  • encryption_key

    D5656C6F6DCF32FFE4A0A45B9A1E278FCDFF35C0

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      SynapseX Launcher.exe

    • Size

      3.1MB

    • MD5

      571ee05d080ae18e48d4fd6ec2ae91b4

    • SHA1

      0415b6f4b4e851775af295d978627e5cd5b02580

    • SHA256

      3e0af01df095a209fa5c01e084e0839830a42355354eb68cf3a4f0ec229bbc54

    • SHA512

      f15ac943695216225ad18eb7eaea97e75fbf603dce8d6e2fc72db2c2b36baa0b5eba3e05ea1a18ea068c1d6247ce0fcc404ae8101b84f0522d2acc8aa15aae28

    • SSDEEP

      49152:fvrI22SsaNYfdPBldt698dBcjHI9RJ6GbR3LoGdhHkTHHB72eh2NT:fvU22SsaNYfdPBldt6+dBcjHI9RJ6A

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks