General

  • Target

    Bootstrapper (extract.me).zip

  • Size

    1.3MB

  • Sample

    240805-tl2y8a1enl

  • MD5

    2fa5f104c3b0286c739b4768e8b94c09

  • SHA1

    14d71866362ccebdf46eaaaa0d8c4b7605966d04

  • SHA256

    f75a45087aac828dd3f21760b5af31c5a83c7209a67645d5080c39129ff46488

  • SHA512

    7564e03bfcd6a804b6231c513c171b5063229a0430fe3e2c78537b2f7833c9bbb5eee9b16a8a870ad7e92dbaceb8ba8f04eca04b113910336c80486de89517b2

  • SSDEEP

    24576:JpRma1YACmHZFVZRo6HYSS9p5abZ4Ffb5MNliPoePloqtkxBk2Xv/p+KY4V:Y43/HZTTuWZ4Ffsliz7tcbf/f1V

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

wefdwef-34180.portmap.host:34180

Mutex

c4be1726-3f86-4f80-bc7c-0779b06ffeeb

Attributes
  • encryption_key

    97BF1FDCF446A7218FA05296FD8D8F0C41A6B1E7

  • install_name

    Bootstrapper.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Spotify

  • subdirectory

    system32

Targets

    • Target

      Bootstrapper.exe

    • Size

      3.1MB

    • MD5

      14b871855a9046ef9aedeec80f9c2d86

    • SHA1

      32c0ad34f524748b76c090fc881b75b928341e7e

    • SHA256

      b14b916cd2f188ea09035489056e0bff9f8cb8e4a30eff50172f86319fabc940

    • SHA512

      7ada8280b9a5a4dcb427da5f7634335c191645614148ed550dbbbacfaed72e1e99202caedddc02f48dc73d96bf0ecd4d35c2ed2d6206e9b25efba4f29dcc8e96

    • SSDEEP

      49152:3v7lL26AaNeWgPhlmVqvMQ7XSKlfyCC4KgoGdulF8THHB72eh2NT:3vhL26AaNeWgPhlmVqkQ7XSKlfyg

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks