General

  • Target

    642a0f8237cd17fb7c4a4a485957eb6c91a199d12abcc7b33ac4df658a1d3d45N.exe

  • Size

    1.1MB

  • Sample

    250120-hpn1zsxjet

  • MD5

    f81682b4b803de9b0aeeb71be4edfd00

  • SHA1

    a418a52caa161eb7bb8725e0400673a8da437526

  • SHA256

    642a0f8237cd17fb7c4a4a485957eb6c91a199d12abcc7b33ac4df658a1d3d45

  • SHA512

    21a5b678658102e4fb5516a5df9807e3757a89ee1d387f73b91af237f4fe062ff5f7189182037312dd8eaacbf9fa7ad346698a8c75edb56d93b44849317a6147

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYM:Xu0c++OCvkGs9Fak4BYM

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

      642a0f8237cd17fb7c4a4a485957eb6c91a199d12abcc7b33ac4df658a1d3d45N.exe

    • Size

      1.1MB

    • MD5

      f81682b4b803de9b0aeeb71be4edfd00

    • SHA1

      a418a52caa161eb7bb8725e0400673a8da437526

    • SHA256

      642a0f8237cd17fb7c4a4a485957eb6c91a199d12abcc7b33ac4df658a1d3d45

    • SHA512

      21a5b678658102e4fb5516a5df9807e3757a89ee1d387f73b91af237f4fe062ff5f7189182037312dd8eaacbf9fa7ad346698a8c75edb56d93b44849317a6147

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYM:Xu0c++OCvkGs9Fak4BYM

    • 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