General

  • Target

    77c86730a3bd4ff9551db5a55053370d5f34453f95a3da5c45a19c5174f1379f.exe

  • Size

    1.1MB

  • Sample

    241231-h5bqlatpfs

  • MD5

    20f5710bd28e4919a51b1ae0d7494d49

  • SHA1

    9cf8e6b8ceb9d1a39765d70f4d72c34180a76f69

  • SHA256

    77c86730a3bd4ff9551db5a55053370d5f34453f95a3da5c45a19c5174f1379f

  • SHA512

    43f5a2635d336584bd63dd1b8cb5edc1fd780cba9addd0b982da8ca6d65c658b695cee55e695ea199fe7fb84ecb2a436822594d5fda194856e1d1a5c115e58ab

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYP:Xu0c++OCvkGs9Fak4BYP

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

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

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-VBI2IL

  • 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

Targets

    • Target

      77c86730a3bd4ff9551db5a55053370d5f34453f95a3da5c45a19c5174f1379f.exe

    • Size

      1.1MB

    • MD5

      20f5710bd28e4919a51b1ae0d7494d49

    • SHA1

      9cf8e6b8ceb9d1a39765d70f4d72c34180a76f69

    • SHA256

      77c86730a3bd4ff9551db5a55053370d5f34453f95a3da5c45a19c5174f1379f

    • SHA512

      43f5a2635d336584bd63dd1b8cb5edc1fd780cba9addd0b982da8ca6d65c658b695cee55e695ea199fe7fb84ecb2a436822594d5fda194856e1d1a5c115e58ab

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYP:Xu0c++OCvkGs9Fak4BYP

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks