Overview

overview

10

Static

static

10

6a115b587f...c4.exe

windows10-2004-x64

10

6a115b587f...c4.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    6a115b587f8e4a5d445b2d1ec8973f6a1292cd87949c1b7a7f542e6a19556ec4
  • Size 84KB
  • Sample261007-yvjw8aes2t
  • SHA256 6a115b587f8e4a5d445b2d1ec8973f6a1292cd87949c1b7a7f542e6a19556ec4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcoshostdiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • Host

C2

  • surfrides.co:443

  • malware.surfrides.co:443

  • c2.surfrides.co:443

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    vremea.me.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    true

  • 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_clubskjlibmmfta

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      6a115b587f8e4a5d445b2d1ec8973f6a1292cd87949c1b7a7f542e6a19556ec4
    • Size 84KB
    • SHA256 6a115b587f8e4a5d445b2d1ec8973f6a1292cd87949c1b7a7f542e6a19556ec4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    hostdiscoveryexecutionremcospersistencerat

    • Family: Remcos

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

      ratremcos

    • Modifies WinLogon for persistence

      persistence

    • Adds policy Run key to start application

      persistence

    • 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 v16

Tasks