General

  • Target
    b0da133665a2d0af6ac00040b1e872ce.exe
  • Size 823KB
  • Sample210704-hrvec5r41e
  • SHA256 eb55fdd4d15cf3d07905037073a275ba2697e8fdb2a9f60c0b16cf70969cd476
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • remcos

Version
  • 3.1.5 Pro

Botnet
  • chrome

C2
  • fieldsdegreenf.duckdns.org:6553

  • aaeeerbbbeee.duckdns.org:6553

  • sdegreenfieldsdeeenf.duckdns.org:6553

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-09G4NK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target
      b0da133665a2d0af6ac00040b1e872ce.exe
    • Size 823KB
    • SHA256 eb55fdd4d15cf3d07905037073a275ba2697e8fdb2a9f60c0b16cf70969cd476
    • MD5 SHA1 SHA512
    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks