Overview

overview

10

Static

static

10

tmpj_1yo5r_.exe

windows10-ltsc_2021-x64

10

tmpj_1yo5r_.exe

windows10-2004-x64

10

tmpj_1yo5r_.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    tmpj_1yo5r_
  • Size 109KB
  • Sample260601-2fa8bagt41
  • SHA256 f23448b86d797211063a5792344b34aab2900bbabb8c7b211f4046d95295ac24
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosdoc40401discoverypersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • DOC40401

C2

  • tobi12345.hopto.org:40401

  • tobi12345.hopto.org:50501

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    win32.exe

  • copy_folder

    win32

  • 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_ysxrsrtjxg

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    win32

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      tmpj_1yo5r_
    • Size 109KB
    • SHA256 f23448b86d797211063a5792344b34aab2900bbabb8c7b211f4046d95295ac24
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    doc40401discoveryremcospersistencerat

    • Family: Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks