General

  • Target

    f.cmd

  • Size

    4.7MB

  • Sample

    240523-mkkvzsdb92

  • MD5

    c3a17194e3f679078eee9f539fe1d6f4

  • SHA1

    64defa4bcca8298bc58f30fca4c0cfc561263465

  • SHA256

    b9b8d30d6757b34902ef37849e61eba745f6c5bd476b41f1e993b86bf8099449

  • SHA512

    169a2265c68654cb4b19898772c2ad35c758b4b5d65f2b25be71f724d379bc123fabc2b505cfedb1c09d3b79db8a291a9227988c5e1622631ea7b2cf5aa4efa4

  • SSDEEP

    24576:CN3QGmU4n/+6JVT+avOgeF/ehZ2gRrxBJGhRCAQ:CFQGmdn/+GdRvOX9gRqQ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

myumysmeetr.ddns.net:2404

mysweeterbk.ddns.net:2404

meetre1ms.freeddns.org:2404

bbhmeetre1ms.freeddns.org:2404

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-TPT9X3

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      f.cmd

    • Size

      4.7MB

    • MD5

      c3a17194e3f679078eee9f539fe1d6f4

    • SHA1

      64defa4bcca8298bc58f30fca4c0cfc561263465

    • SHA256

      b9b8d30d6757b34902ef37849e61eba745f6c5bd476b41f1e993b86bf8099449

    • SHA512

      169a2265c68654cb4b19898772c2ad35c758b4b5d65f2b25be71f724d379bc123fabc2b505cfedb1c09d3b79db8a291a9227988c5e1622631ea7b2cf5aa4efa4

    • SSDEEP

      24576:CN3QGmU4n/+6JVT+avOgeF/ehZ2gRrxBJGhRCAQ:CFQGmdn/+GdRvOX9gRqQ

    • Remcos

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks