General

  • Target
    SecuriteInfo.com.BackDoor.DarkTortillaNET.1.9751.32573.exe
  • Size 1.3MB
  • Sample251016-hg2bcadj3t
  • SHA256 691939843feb83cbbeb6802fccb8d7ac8e6cbd7f7c676e5a9eb549353691db88
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Version
  • 3.8.0 Pro

Botnet
  • ES XWORM

C2
  • rency.ydns.eu:2404

  • wqo9.firewall-gateway.de:4045

  • code1.ydns.eu:9302

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    System.exe

  • copy_folder

    MicroSoft Outlook

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    TCWd3hQ5LP1Fcm2U5B0fn3xuWp5u5rQsC2Y-DJRO57

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    MicroSoft

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      SecuriteInfo.com.BackDoor.DarkTortillaNET.1.9751.32573.exe
    • Size 1.3MB
    • SHA256 691939843feb83cbbeb6802fccb8d7ac8e6cbd7f7c676e5a9eb549353691db88
    • MD5 SHA1 SHA512 SSDEEP
    • Darktortilla

      DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.

    • Darktortilla family

    • Detects Darktortilla crypter.

    • Remcos

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

    • Remcos family

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks