Overview

overview

10

Static

static

1

abc.txt

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    abc.txt

  • Size

    26B

  • Sample

    241230-w2vaesvqds

  • MD5

    77ec9122c07d50702533f30c31bf1216

  • SHA1

    865d4c2651033ae7dde69c77012a6e3875fe88fa

  • SHA256

    d997a546378df1ac4b47a2836b5cb6dfcfbaf10c4298165928237112f2d6cb27

  • SHA512

    8c434e5fb0b0427e50154804b01c6e53ebdad2a5fecd551c84bcecb8147c52cfa18bb9a6f2890ffa3df5a7f28d9a1273cd3c9662a6e8d6c7d42cde503c00a715

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

RemoteHost

C2

bekleyen.myq-see.com:2424

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    VLC.exe

  • copy_folder

    VLC

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-001UHE

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      abc.txt

    • Size

      26B

    • MD5

      77ec9122c07d50702533f30c31bf1216

    • SHA1

      865d4c2651033ae7dde69c77012a6e3875fe88fa

    • SHA256

      d997a546378df1ac4b47a2836b5cb6dfcfbaf10c4298165928237112f2d6cb27

    • SHA512

      8c434e5fb0b0427e50154804b01c6e53ebdad2a5fecd551c84bcecb8147c52cfa18bb9a6f2890ffa3df5a7f28d9a1273cd3c9662a6e8d6c7d42cde503c00a715

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks