General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240801-sc15wswdnk

  • MD5

    ada5a9cddc59be72633eba26835e7a3e

  • SHA1

    de422e113b92b1d9c6baf46b159e387c5ec5517a

  • SHA256

    2dbd31f6ed2f964d191b7077c2acecc931648cc2f1a2a43f57b0cbb35d1b72c7

  • SHA512

    c5fa3e3dd1946995c85fda7fe520b5eb34ef575e0b59fea2e01e51237fe3805a29f9d0eab2701aef9368d68e3d04a70e6f5a985d5d52d9cc1d3bcfe887b1763a

  • SSDEEP

    49152:bvbI22SsaNYfdPBldt698dBcjHm0xNESEck/iWLoGdZTHHB72eh2NT:bvk22SsaNYfdPBldt6+dBcjHNxjY

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

195.88.218.76:4782

Mutex

4b117633-2647-473d-81f9-9d4abde111bc

Attributes
  • encryption_key

    E86E3B923722E3F8294BD35A968E5EA213AFA362

  • 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

      ada5a9cddc59be72633eba26835e7a3e

    • SHA1

      de422e113b92b1d9c6baf46b159e387c5ec5517a

    • SHA256

      2dbd31f6ed2f964d191b7077c2acecc931648cc2f1a2a43f57b0cbb35d1b72c7

    • SHA512

      c5fa3e3dd1946995c85fda7fe520b5eb34ef575e0b59fea2e01e51237fe3805a29f9d0eab2701aef9368d68e3d04a70e6f5a985d5d52d9cc1d3bcfe887b1763a

    • SSDEEP

      49152:bvbI22SsaNYfdPBldt698dBcjHm0xNESEck/iWLoGdZTHHB72eh2NT:bvk22SsaNYfdPBldt6+dBcjHNxjY

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

MITRE ATT&CK Enterprise v15

Tasks