General

  • Target

    d950eb5505a609d0fc10edeb2db67120b35a6b9e977c343265d6b64e1c8e5afcN

  • Size

    2.3MB

  • Sample

    241011-g5gq6syhna

  • MD5

    e2caad70b5d038f04b8616f8054cab50

  • SHA1

    cd899cd6abfbfacdcf7dd564f24fd684976345ba

  • SHA256

    d950eb5505a609d0fc10edeb2db67120b35a6b9e977c343265d6b64e1c8e5afc

  • SHA512

    1fbfd629880dfd0709a83dc02fc72d7505acc9fa8c75cedd01eba53130bc220f93d3badf1d99f45948d9ad0a80c6aa851d3f43c7e9879411792cb48d10c03088

  • SSDEEP

    24576:UD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJz5/2:Up7E+QrFUBgq2Sn7/2

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

      d950eb5505a609d0fc10edeb2db67120b35a6b9e977c343265d6b64e1c8e5afcN

    • Size

      2.3MB

    • MD5

      e2caad70b5d038f04b8616f8054cab50

    • SHA1

      cd899cd6abfbfacdcf7dd564f24fd684976345ba

    • SHA256

      d950eb5505a609d0fc10edeb2db67120b35a6b9e977c343265d6b64e1c8e5afc

    • SHA512

      1fbfd629880dfd0709a83dc02fc72d7505acc9fa8c75cedd01eba53130bc220f93d3badf1d99f45948d9ad0a80c6aa851d3f43c7e9879411792cb48d10c03088

    • SSDEEP

      24576:UD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJz5/2:Up7E+QrFUBgq2Sn7/2

    • 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