Overview

overview

10

Static

static

3

efef213982...be.exe

windows10-2004-x64

10

efef213982...be.exe

windows11-ltsc_2024-x64

4

Sharing

Copy URL Twitter E-mail

General

  • Target
    efef21398261713e04230f3e71b70fd620174e1996a699d0043f2d7e02bd64be
  • Size 363KB
  • Sample260824-zh1vmstdjd
  • SHA256 efef21398261713e04230f3e71b70fd620174e1996a699d0043f2d7e02bd64be
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcostinodiscoveryexecutionpersistencerat

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
      efef21398261713e04230f3e71b70fd620174e1996a699d0043f2d7e02bd64be
    • Size 363KB
    • SHA256 efef21398261713e04230f3e71b70fd620174e1996a699d0043f2d7e02bd64be
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    tinodiscoveryexecutionremcospersistencerat

    • Family: Remcos

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

      ratremcos

    • Modifies WinLogon for persistence

      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

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks