General

  • Target

    4026ddd4aa8ec497c63fdffdd444e526_JaffaCakes118

  • Size

    131KB

  • Sample

    241013-qwls7sygpb

  • MD5

    4026ddd4aa8ec497c63fdffdd444e526

  • SHA1

    724178df6f04c3f21305e23a30a0f3116d6946ea

  • SHA256

    f296a419a0bd4198e698621ce4f8c09384bf9cfbb82ff337fafecbfaa0b5313f

  • SHA512

    1aa3f1cc77907b943926e3944542fe9221876f1f6633b087fc7d5d3221ffd15a85f0863b7101f3453e2157143e2c9b92bfc558653afddd5075e3320c6bebdc89

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKm:xPd4n/M+WLcilrpgGH/GwY87mVmIXW

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      4026ddd4aa8ec497c63fdffdd444e526_JaffaCakes118

    • Size

      131KB

    • MD5

      4026ddd4aa8ec497c63fdffdd444e526

    • SHA1

      724178df6f04c3f21305e23a30a0f3116d6946ea

    • SHA256

      f296a419a0bd4198e698621ce4f8c09384bf9cfbb82ff337fafecbfaa0b5313f

    • SHA512

      1aa3f1cc77907b943926e3944542fe9221876f1f6633b087fc7d5d3221ffd15a85f0863b7101f3453e2157143e2c9b92bfc558653afddd5075e3320c6bebdc89

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKm:xPd4n/M+WLcilrpgGH/GwY87mVmIXW

    • Remcos

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks