General

  • Target

    test1.exe

  • Size

    792KB

  • Sample

    250116-kxavfatmcr

  • MD5

    f0882b09aebf9b37f740d9a42e3fa4bb

  • SHA1

    e1068da52875b055ec58d2c2b8110932e863f981

  • SHA256

    2a9b0ed40f1f0bc0c13ff35d304689e9cadd633781cbcad1c2d2b92ced3f1c85

  • SHA512

    a6788652b4123a3618ff79d379cc291623e9c3126ba18831fc7c574b5ac8b52309ca6b6d5497b645e5de0fa7e2bdcbd4410cc29a7a9ce87d86f8da50fbe6fadd

  • SSDEEP

    3072:675U501c5GWp1icKAArDZz4N9GhbkrNEk1yjBwpewrFT13tc1RnmImKZIy9lPx6x:1pp0yN90QEDmwmT1dctm+rjAiEDZ

Malware Config

Extracted

Family

remcos

Version

2.3.0 Pro

Botnet

RemoteHost

C2

toptoptop1.online:2404

toptoptop2.online:2404

toptoptop3.online:2404

toptoptop1.site:2404

toptoptop2.site:2404

toptoptop3.site:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • 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

    Remcos-RKAPUX

  • 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

    wikipedia;solitaire;

Targets

    • Target

      test1.exe

    • Size

      792KB

    • MD5

      f0882b09aebf9b37f740d9a42e3fa4bb

    • SHA1

      e1068da52875b055ec58d2c2b8110932e863f981

    • SHA256

      2a9b0ed40f1f0bc0c13ff35d304689e9cadd633781cbcad1c2d2b92ced3f1c85

    • SHA512

      a6788652b4123a3618ff79d379cc291623e9c3126ba18831fc7c574b5ac8b52309ca6b6d5497b645e5de0fa7e2bdcbd4410cc29a7a9ce87d86f8da50fbe6fadd

    • SSDEEP

      3072:675U501c5GWp1icKAArDZz4N9GhbkrNEk1yjBwpewrFT13tc1RnmImKZIy9lPx6x:1pp0yN90QEDmwmT1dctm+rjAiEDZ

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks