Overview

overview

10

Static

static

3

ef71e4faa0...80.exe

windows7-x64

10

ef71e4faa0...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef71e4faa0bfff9dde2a35b462b3ff945f456f7e7717dd7913734d39e0c7a480

  • Size

    1.1MB

  • Sample

    250328-zlj2assqz2

  • MD5

    d447175eba4179d0762edb381a2e329e

  • SHA1

    a12689090c983f2bfab8fcfc34feff23205c9db2

  • SHA256

    ef71e4faa0bfff9dde2a35b462b3ff945f456f7e7717dd7913734d39e0c7a480

  • SHA512

    765275ffc53be3cd77bd2420feaa705929f335b59c2267f411cc6c30b3c6c5e5e73f57e7605e082ce0ea88176734b56a1e9da21af05c936621c6b662471c5b6a

  • SSDEEP

    24576:eaTgKwZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0F0:LTgdZOcuUL3xAx/8b2S7Z0e

Score
10/10
remcoschinemeremdiscoveryrat

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

      ef71e4faa0bfff9dde2a35b462b3ff945f456f7e7717dd7913734d39e0c7a480

    • Size

      1.1MB

    • MD5

      d447175eba4179d0762edb381a2e329e

    • SHA1

      a12689090c983f2bfab8fcfc34feff23205c9db2

    • SHA256

      ef71e4faa0bfff9dde2a35b462b3ff945f456f7e7717dd7913734d39e0c7a480

    • SHA512

      765275ffc53be3cd77bd2420feaa705929f335b59c2267f411cc6c30b3c6c5e5e73f57e7605e082ce0ea88176734b56a1e9da21af05c936621c6b662471c5b6a

    • SSDEEP

      24576:eaTgKwZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0F0:LTgdZOcuUL3xAx/8b2S7Z0e

    Score
    10/10
    remcoschinemeremdiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks