General

  • Target

    ecc50bec876ad2694c1867e7f235efef1dc6b47ecaf65b7e73242cf54d326e61N

  • Size

    2.3MB

  • Sample

    241022-v5tmmayeqn

  • MD5

    2842a80597b16a2acf467e5769acc570

  • SHA1

    c3eca4773776494782c1eacee086c6a100f06f62

  • SHA256

    ecc50bec876ad2694c1867e7f235efef1dc6b47ecaf65b7e73242cf54d326e61

  • SHA512

    000190b694efbc47b220c6b71ea8cff91b8976b59fbbe0e4ea12afaa9f7eaf32b49cc21f7b587f829f262b744b389daee05d6631c0c82451c894bb6573470f58

  • SSDEEP

    24576:LD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJn:Lp7E+QrFUBgq2SnF

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

      ecc50bec876ad2694c1867e7f235efef1dc6b47ecaf65b7e73242cf54d326e61N

    • Size

      2.3MB

    • MD5

      2842a80597b16a2acf467e5769acc570

    • SHA1

      c3eca4773776494782c1eacee086c6a100f06f62

    • SHA256

      ecc50bec876ad2694c1867e7f235efef1dc6b47ecaf65b7e73242cf54d326e61

    • SHA512

      000190b694efbc47b220c6b71ea8cff91b8976b59fbbe0e4ea12afaa9f7eaf32b49cc21f7b587f829f262b744b389daee05d6631c0c82451c894bb6573470f58

    • SSDEEP

      24576:LD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJn:Lp7E+QrFUBgq2SnF

    • 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

    • 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