General

  • Target

    TT Air Export COSCO.exe

  • Size

    1.1MB

  • Sample

    230214-qd5tcsch5w

  • MD5

    23ce4c2eb85eea9a1871bf922978ade9

  • SHA1

    8cfa86cdbcda76c59cea93839115f84b9b47ced0

  • SHA256

    5ca676b334d8a3f4542877a696a7092b29dbdeddabcd70af2a80e5c8384a75b6

  • SHA512

    de2475abf3ed3101f9b3d6c7fa37da02ee99f7a37fd239f2a6e87b7d67837d1a5f3c09d05750150e08a18a881322c8b719e8d03efd43885c991774707817172c

  • SSDEEP

    12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

Malware Config

Extracted

Family

remcos

Botnet

13-Feb-2023

C2

193.23.3.34:43672

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    goog.dat

  • keylog_flag

    false

  • keylog_folder

    Google

  • mouse_option

    false

  • mutex

    -201DO7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      TT Air Export COSCO.exe

    • Size

      1.1MB

    • MD5

      23ce4c2eb85eea9a1871bf922978ade9

    • SHA1

      8cfa86cdbcda76c59cea93839115f84b9b47ced0

    • SHA256

      5ca676b334d8a3f4542877a696a7092b29dbdeddabcd70af2a80e5c8384a75b6

    • SHA512

      de2475abf3ed3101f9b3d6c7fa37da02ee99f7a37fd239f2a6e87b7d67837d1a5f3c09d05750150e08a18a881322c8b719e8d03efd43885c991774707817172c

    • SSDEEP

      12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • ModiLoader Second Stage

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks