General

  • Target

    145fb2e85a50469d202cbcdcd8fcd0d0N.exe

  • Size

    2.1MB

  • Sample

    240723-16f1ta1hnp

  • MD5

    145fb2e85a50469d202cbcdcd8fcd0d0

  • SHA1

    d5d63b7bc9368f964b87e513a5ca7d5c9bbce0f7

  • SHA256

    89be31d7396e456350106ec7218adec388e701d682480c9ede5b5fa3fa985e9c

  • SHA512

    7d3bc0cb51ecc9ccb4d62679bdf7095ebd1233174e63ddfd664f507efb0a554d3a1fc2b8c3d1e8b6ba693811ebbd0b86821d0f77465825686bd30cec468f2795

  • SSDEEP

    24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4+cZN:xp7E+QrFUBgq29n

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

      145fb2e85a50469d202cbcdcd8fcd0d0N.exe

    • Size

      2.1MB

    • MD5

      145fb2e85a50469d202cbcdcd8fcd0d0

    • SHA1

      d5d63b7bc9368f964b87e513a5ca7d5c9bbce0f7

    • SHA256

      89be31d7396e456350106ec7218adec388e701d682480c9ede5b5fa3fa985e9c

    • SHA512

      7d3bc0cb51ecc9ccb4d62679bdf7095ebd1233174e63ddfd664f507efb0a554d3a1fc2b8c3d1e8b6ba693811ebbd0b86821d0f77465825686bd30cec468f2795

    • SSDEEP

      24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4+cZN:xp7E+QrFUBgq29n

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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