General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.3492.13094

  • Size

    984KB

  • Sample

    221125-hb2pxsge34

  • MD5

    3b5e189cbf4aaaccd9df0e3e4222eb26

  • SHA1

    890f172fe67eb77b0a397057f2e2c08464a2a1d4

  • SHA256

    88729c3c2f0d440cb964a0b14af9f726a961700288ea860cc8db492685ca4546

  • SHA512

    3fb96a98391da50d327b562351f6cb4f6e6b76388cfc121d01c5f790c9903f374f8502a7bca951f218a8d09cf4439e866774b3ab49fd12c982c8c34a569d7d25

  • SSDEEP

    24576:bz+9U376CDkFg/IyXtTmNc/emtUlwDNRKPWXCMRZBz:FZkoXYcGmtTDWOyMRZB

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:3111

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-XI5CH7

  • 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

      SecuriteInfo.com.Win32.CrypterX-gen.3492.13094

    • Size

      984KB

    • MD5

      3b5e189cbf4aaaccd9df0e3e4222eb26

    • SHA1

      890f172fe67eb77b0a397057f2e2c08464a2a1d4

    • SHA256

      88729c3c2f0d440cb964a0b14af9f726a961700288ea860cc8db492685ca4546

    • SHA512

      3fb96a98391da50d327b562351f6cb4f6e6b76388cfc121d01c5f790c9903f374f8502a7bca951f218a8d09cf4439e866774b3ab49fd12c982c8c34a569d7d25

    • SSDEEP

      24576:bz+9U376CDkFg/IyXtTmNc/emtUlwDNRKPWXCMRZBz:FZkoXYcGmtTDWOyMRZB

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks