Overview

overview

10

Static

static

3

ed85b2c508...ab.exe

windows7-x64

5

ed85b2c508...ab.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ed85b2c5087e8b1b36ce0ae7c3c7532ce415fe626069774af7007b40443df0ab

  • Size

    372KB

  • Sample

    250330-zc72rsynt9

  • MD5

    9ddc44a5c178dd4373d2783205f5bb7e

  • SHA1

    fdc28a7ba32079ac97117794960c3e73a8e1bc80

  • SHA256

    ed85b2c5087e8b1b36ce0ae7c3c7532ce415fe626069774af7007b40443df0ab

  • SHA512

    1708cc48e42d6d1f6abbdb8bc904aa4df35d1968116806f2e375ba0e77a7e9c5cf0709a4c5b897a5bd0ecd3bf781720edd6323926e67198858349862bcad6bab

  • SSDEEP

    6144:t8dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiC+:t2qQx+H2i+8LBNbdypazCXY0

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

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

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ed85b2c5087e8b1b36ce0ae7c3c7532ce415fe626069774af7007b40443df0ab

    • Size

      372KB

    • MD5

      9ddc44a5c178dd4373d2783205f5bb7e

    • SHA1

      fdc28a7ba32079ac97117794960c3e73a8e1bc80

    • SHA256

      ed85b2c5087e8b1b36ce0ae7c3c7532ce415fe626069774af7007b40443df0ab

    • SHA512

      1708cc48e42d6d1f6abbdb8bc904aa4df35d1968116806f2e375ba0e77a7e9c5cf0709a4c5b897a5bd0ecd3bf781720edd6323926e67198858349862bcad6bab

    • SSDEEP

      6144:t8dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiC+:t2qQx+H2i+8LBNbdypazCXY0

    Score
    10/10
    discoveryremcostinopersistencerat

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks