General

  • Target

    2c793599c11abaf3a7fa2a700a6ef7b7cc9980d0078bd071a508145ffb91a23c

  • Size

    965KB

  • Sample

    250330-y7y7nswvgt

  • MD5

    c8ca043e0b7692bcb5dc31f8d803199a

  • SHA1

    1883922e023d5cf4ef250abebb660ce9c09ba7f4

  • SHA256

    2c793599c11abaf3a7fa2a700a6ef7b7cc9980d0078bd071a508145ffb91a23c

  • SHA512

    9f55fda0983924d92e800ab3bec8c182d265ae4d9e69b8710742c46f12dfc2a0f827f86984ade9d89a1b17425aa33aae344b231114f6ab574d552e5f46e765c0

  • SSDEEP

    12288:Vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQB:VpugRNJI1D39dlfGQrFUx9FE

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      2c793599c11abaf3a7fa2a700a6ef7b7cc9980d0078bd071a508145ffb91a23c

    • Size

      965KB

    • MD5

      c8ca043e0b7692bcb5dc31f8d803199a

    • SHA1

      1883922e023d5cf4ef250abebb660ce9c09ba7f4

    • SHA256

      2c793599c11abaf3a7fa2a700a6ef7b7cc9980d0078bd071a508145ffb91a23c

    • SHA512

      9f55fda0983924d92e800ab3bec8c182d265ae4d9e69b8710742c46f12dfc2a0f827f86984ade9d89a1b17425aa33aae344b231114f6ab574d552e5f46e765c0

    • SSDEEP

      12288:Vp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQB:VpugRNJI1D39dlfGQrFUx9FE

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks