General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.16241.17953.exe

  • Size

    1.2MB

  • Sample

    221012-ze9ndabeg6

  • MD5

    9bd6d3ec4cc2d64de59946ff5d2d952f

  • SHA1

    4327389ebe464a79552a839d54b13e04a9550d13

  • SHA256

    d4efc7df4617d7aa2c8d0c1fb399706c3ca1820d84ddd51d7b59df21141aa773

  • SHA512

    1cc28a8fceb17cb71bad6705b512ba66fc1e20753fc353cd3b1b796bf942afe64fb9f30fd8fb11a53b462175323e60566a9f95c508ac542f6eb13525f0b67c77

  • SSDEEP

    24576:6wFCPZ6icEvJncCN2tDwpikvLe+s0drvuCeteGv:6wFCPZxPGnkK+sYG3

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SecuriteInfo.com.Win32.RATX-gen.16241.17953.exe

    • Size

      1.2MB

    • MD5

      9bd6d3ec4cc2d64de59946ff5d2d952f

    • SHA1

      4327389ebe464a79552a839d54b13e04a9550d13

    • SHA256

      d4efc7df4617d7aa2c8d0c1fb399706c3ca1820d84ddd51d7b59df21141aa773

    • SHA512

      1cc28a8fceb17cb71bad6705b512ba66fc1e20753fc353cd3b1b796bf942afe64fb9f30fd8fb11a53b462175323e60566a9f95c508ac542f6eb13525f0b67c77

    • SSDEEP

      24576:6wFCPZ6icEvJncCN2tDwpikvLe+s0drvuCeteGv:6wFCPZxPGnkK+sYG3

    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks