General

  • Target
    invoice_2818144.vbs
  • Size 226B
  • Sample210929-ap75vsddan
  • SHA256 cb77b93150cb0f7fe65ce8a7e2a5781e727419451355a7736db84109fa215a89
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • remcos

Version
  • 3.2.1 Pro

Botnet
  • RemoteHost

C2
  • snackebay.ddns.net:7676

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

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remasascos-LVXDHO

  • 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
      invoice_2818144.vbs
    • Size 226B
    • SHA256 cb77b93150cb0f7fe65ce8a7e2a5781e727419451355a7736db84109fa215a89
    • MD5 SHA1 SHA512
    • Registers COM server for autorun

    • Remcos

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

    • Blocklisted process makes network request

    • Drops startup file

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks