General

  • Target

    ae5f2c9942b61b2f7282dd970e410f373e8cf50429c19dc7da38080513b5c372

  • Size

    372KB

  • Sample

    250330-zlt69sypz7

  • MD5

    19937ad01f3fc2fe28941feb4c110ee8

  • SHA1

    46376eb5c9f27d82a7a43d7eca08553b18d72e60

  • SHA256

    ae5f2c9942b61b2f7282dd970e410f373e8cf50429c19dc7da38080513b5c372

  • SHA512

    d547496f9f7e520f3b558fc0e918ebe1ee384084aa4d9c849c28fc097697017ce4753d1a1a2957d4f99511ab90415f9b0017931267cc82120aa46151355ba782

  • SSDEEP

    6144:tqdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKu:tAqQx+H2i+8LBNbdypazCXY8

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ae5f2c9942b61b2f7282dd970e410f373e8cf50429c19dc7da38080513b5c372

    • Size

      372KB

    • MD5

      19937ad01f3fc2fe28941feb4c110ee8

    • SHA1

      46376eb5c9f27d82a7a43d7eca08553b18d72e60

    • SHA256

      ae5f2c9942b61b2f7282dd970e410f373e8cf50429c19dc7da38080513b5c372

    • SHA512

      d547496f9f7e520f3b558fc0e918ebe1ee384084aa4d9c849c28fc097697017ce4753d1a1a2957d4f99511ab90415f9b0017931267cc82120aa46151355ba782

    • SSDEEP

      6144:tqdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKu:tAqQx+H2i+8LBNbdypazCXY8

    • Modifies WinLogon for persistence

    • 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

    • Modifies WinLogon

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

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