General

  • Target

    8b2be7e5b6f709d345242f0b8482617b7261eee534a0d099b84273c823211a79

  • Size

    1.0MB

  • Sample

    250330-ysawjawsas

  • MD5

    3fefcce2a73211465409608589fcf1a6

  • SHA1

    891e41f2790883189ccdcfb49cdb1b9957898341

  • SHA256

    8b2be7e5b6f709d345242f0b8482617b7261eee534a0d099b84273c823211a79

  • SHA512

    c5de9eddc921dc495c0f373ebc7488609d003271e908e1eb0b528042c9ee2e11bc6e51c81b1f24b6c0e8368bd8a21627827cd305c487d7b906c2d92f06d073ac

  • SSDEEP

    12288:/p+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AkK:/pugRNJI1D39dlfGQrFUxwAeAkK

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

      8b2be7e5b6f709d345242f0b8482617b7261eee534a0d099b84273c823211a79

    • Size

      1.0MB

    • MD5

      3fefcce2a73211465409608589fcf1a6

    • SHA1

      891e41f2790883189ccdcfb49cdb1b9957898341

    • SHA256

      8b2be7e5b6f709d345242f0b8482617b7261eee534a0d099b84273c823211a79

    • SHA512

      c5de9eddc921dc495c0f373ebc7488609d003271e908e1eb0b528042c9ee2e11bc6e51c81b1f24b6c0e8368bd8a21627827cd305c487d7b906c2d92f06d073ac

    • SSDEEP

      12288:/p+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AkK:/pugRNJI1D39dlfGQrFUxwAeAkK

    • 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