General

  • Target

    79b317bc068d59f1f94221b997f7314480b89cb6f90620b53ba8c29bf8974289

  • Size

    1.1MB

  • Sample

    250330-zgc27awxfx

  • MD5

    f02ee994d7fe02a11c3314b135e2eb5e

  • SHA1

    067d3c3349b64a5c9b6c6269df8a78624450cc03

  • SHA256

    79b317bc068d59f1f94221b997f7314480b89cb6f90620b53ba8c29bf8974289

  • SHA512

    d8ca0faa09ed9ce5210b0326df577d8ae2b94a1f135fd272c70b41b6ef14bd1cb0b01aad5e4b33e076e341eed7eda6ccec8e612297d1622f2a30c95b14a3e03b

  • SSDEEP

    24576:eaTgKwZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fq:LTgdZOcuUL3xAx/8b2S7Z0I

Malware Config

Extracted

Family

remcos

Version

2.2.2 Pro

Botnet

chinemerem

C2

remcoss.onmypc.org:3765

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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    r-8ET8H0

  • 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

      79b317bc068d59f1f94221b997f7314480b89cb6f90620b53ba8c29bf8974289

    • Size

      1.1MB

    • MD5

      f02ee994d7fe02a11c3314b135e2eb5e

    • SHA1

      067d3c3349b64a5c9b6c6269df8a78624450cc03

    • SHA256

      79b317bc068d59f1f94221b997f7314480b89cb6f90620b53ba8c29bf8974289

    • SHA512

      d8ca0faa09ed9ce5210b0326df577d8ae2b94a1f135fd272c70b41b6ef14bd1cb0b01aad5e4b33e076e341eed7eda6ccec8e612297d1622f2a30c95b14a3e03b

    • SSDEEP

      24576:eaTgKwZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fq:LTgdZOcuUL3xAx/8b2S7Z0I

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks