General

  • Target

    18c122dd74707bc39b0578316e5e7abd39a81e6d8efafaa5367da6bece623933N

  • Size

    2.3MB

  • Sample

    241001-teqbva1hqf

  • MD5

    c5f3e561e7ccb480156ce573d1375260

  • SHA1

    07afc48f6ac5d19ce1b1ea3c36d30bdc9ad36045

  • SHA256

    18c122dd74707bc39b0578316e5e7abd39a81e6d8efafaa5367da6bece623933

  • SHA512

    17e57d75bd52a23d7212215e089b0e0c61ee5057762e05edd19a47a267858a1c1f967387396c2a364f4fe7a8b11e1f7a6ca11f81053f284db6d41b0831608bca

  • SSDEEP

    24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJlWj:xp7E+QrFUBgq2SnDWj

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

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

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      18c122dd74707bc39b0578316e5e7abd39a81e6d8efafaa5367da6bece623933N

    • Size

      2.3MB

    • MD5

      c5f3e561e7ccb480156ce573d1375260

    • SHA1

      07afc48f6ac5d19ce1b1ea3c36d30bdc9ad36045

    • SHA256

      18c122dd74707bc39b0578316e5e7abd39a81e6d8efafaa5367da6bece623933

    • SHA512

      17e57d75bd52a23d7212215e089b0e0c61ee5057762e05edd19a47a267858a1c1f967387396c2a364f4fe7a8b11e1f7a6ca11f81053f284db6d41b0831608bca

    • SSDEEP

      24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJlWj:xp7E+QrFUBgq2SnDWj

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks