General

  • Target

    46126d890c02b8aa69a4776ad7c3fd3f4586c57da53f57cda22efdac37c7e035

  • Size

    138KB

  • Sample

    240910-z22ahsvgpm

  • MD5

    123b4274053df878e6a9e466e7c0ccaf

  • SHA1

    b7098da9010858cb5c75a47916d4c6d294b3cc5d

  • SHA256

    46126d890c02b8aa69a4776ad7c3fd3f4586c57da53f57cda22efdac37c7e035

  • SHA512

    bbacbf7f9e5a379bac4f235415809951e69321d9048da745ae10b4f54b1523d8014ab6073b783796cabb01a240404a75a049845fe2c4efa530c461805493408a

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKh:xPd4n/M+WLcilrpgGH/GwY87mVmIXR

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      46126d890c02b8aa69a4776ad7c3fd3f4586c57da53f57cda22efdac37c7e035

    • Size

      138KB

    • MD5

      123b4274053df878e6a9e466e7c0ccaf

    • SHA1

      b7098da9010858cb5c75a47916d4c6d294b3cc5d

    • SHA256

      46126d890c02b8aa69a4776ad7c3fd3f4586c57da53f57cda22efdac37c7e035

    • SHA512

      bbacbf7f9e5a379bac4f235415809951e69321d9048da745ae10b4f54b1523d8014ab6073b783796cabb01a240404a75a049845fe2c4efa530c461805493408a

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKh:xPd4n/M+WLcilrpgGH/GwY87mVmIXR

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks