General

  • Target

    d.exe

  • Size

    3.1MB

  • Sample

    231031-kkbk7scb38

  • MD5

    2e259fbc3787a5e3ff7632710bb33af3

  • SHA1

    b93fe7583571b9025c7e128e18ce15e0c2d16a91

  • SHA256

    fe075e8ca5cfabd135a0af03cef236be4051d5bf21d8f248608e6001dc0ad540

  • SHA512

    96edeb10924865b67ae3452b773ff7f663a8f56bdd46ab0d81ddd3aacecd1fa1f934b6e557a2041e2d3ebacec278df1f6929d6d2b35df096d306e2e850e38678

  • SSDEEP

    49152:7v/lL26AaNeWgPhlmVqvMQ7XSKk+HNoGdoTTHHB72eh2NT:7vNL26AaNeWgPhlmVqkQ7XSKk+t4

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

schools-softball.gl.at.ply.gg:4982

Mutex

a578ef69-a4c3-4b4d-93d0-eedab011b9a0

Attributes
  • encryption_key

    B2D10FC0E96E4BCBC2FAA3B7B5EE850CBD6D31C3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      d.exe

    • Size

      3.1MB

    • MD5

      2e259fbc3787a5e3ff7632710bb33af3

    • SHA1

      b93fe7583571b9025c7e128e18ce15e0c2d16a91

    • SHA256

      fe075e8ca5cfabd135a0af03cef236be4051d5bf21d8f248608e6001dc0ad540

    • SHA512

      96edeb10924865b67ae3452b773ff7f663a8f56bdd46ab0d81ddd3aacecd1fa1f934b6e557a2041e2d3ebacec278df1f6929d6d2b35df096d306e2e850e38678

    • SSDEEP

      49152:7v/lL26AaNeWgPhlmVqvMQ7XSKk+HNoGdoTTHHB72eh2NT:7vNL26AaNeWgPhlmVqkQ7XSKk+t4

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v15

Tasks