General

  • Target

    0498eaf7f2c1195d859a1c6b71a96c2636059fa2647d7b6afab966574791a588

  • Size

    368KB

  • Sample

    250330-yykmxsyj19

  • MD5

    5134a1b30fd65a952f3365ca2b4f1577

  • SHA1

    95341d54aa34697c3e8616996779d2cdd756ede3

  • SHA256

    0498eaf7f2c1195d859a1c6b71a96c2636059fa2647d7b6afab966574791a588

  • SHA512

    76eb048462d0ebd2ea14dced7cba758cb68a3f824f54acef0b70fda9d5345275d2a6bb5e2c00a607d74dfe4eed68cdf2e8ea81b0dc02cea1b1aabd3e3f6b9cc4

  • SSDEEP

    3072:t3FhJsebNVlW1NWgxLJOp6iJRejPoQKvHIbuduaqyuhjDxSIVbOfprMIYsMMgC6j:t3F3VoweHW0u8TDB4ty3hunu

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

Talentino

C2

185.140.53.140:2404

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

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-KG5D4I

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      0498eaf7f2c1195d859a1c6b71a96c2636059fa2647d7b6afab966574791a588

    • Size

      368KB

    • MD5

      5134a1b30fd65a952f3365ca2b4f1577

    • SHA1

      95341d54aa34697c3e8616996779d2cdd756ede3

    • SHA256

      0498eaf7f2c1195d859a1c6b71a96c2636059fa2647d7b6afab966574791a588

    • SHA512

      76eb048462d0ebd2ea14dced7cba758cb68a3f824f54acef0b70fda9d5345275d2a6bb5e2c00a607d74dfe4eed68cdf2e8ea81b0dc02cea1b1aabd3e3f6b9cc4

    • SSDEEP

      3072:t3FhJsebNVlW1NWgxLJOp6iJRejPoQKvHIbuduaqyuhjDxSIVbOfprMIYsMMgC6j:t3F3VoweHW0u8TDB4ty3hunu

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks