Overview

overview

10

Static

static

10

2026-10-31...ry.exe

windows10-2004-x64

10

2026-10-31...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/10/2026, 16:34

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General

  • Target
    2026-10-31_008c662d47890ce97cbeb0505eed7012_elex_parallax_remcos_remocs_wannacry.exe
  • Size 111KB
  • Sample261031-t3fsbacw7x
  • SHA256 9f4c98b0c70d151a57d41dec70bc115a20edfeb7659025022765ef7d6efc6624
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
talentinodefense_evasiondiscoveryexecutionremcospersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 2.4.3 Pro

Botnet

  • Talentino

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-KG5D4I

  • 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

Signatures

  • Family: Remcos

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

    ratremcos
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Custom signature
    detects Windows exceutables potentially bypassing UAC using eventvwr.exe 1 IoCs
  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-31_008c662d47890ce97cbeb0505eed7012_elex_parallax_remcos_remocs_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-31_008c662d47890ce97cbeb0505eed7012_elex_parallax_remcos_remocs_wannacry.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Modifies WinLogon
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • Deletes itself
      • Executes a VBScript file via the Windows Script Host.
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4184
        • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
          C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
          4⤵
          • Executes dropped EXE
          PID:2860
  • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
    "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Executes dropped EXE
    • Adds Run key to start application
    • Modifies WinLogon
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5168
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      2⤵
        PID:1920

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          install.vbs
          • Path C:\Users\Admin\AppData\Local\Temp\install.vbs
          • Size 690B
          • SHA256 05b1bb1a10045919daa787f3de3b3820bcfb19690b55bb5b454e82fb00a142b0
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          logs.dat
          • Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
          • Size 91B
          • SHA256 f64e11083c1bf8d5385c0a091fa434cbcf9512ed7835361a9bd98ec2cbac841b
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          remcos.exe
          • Path C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
          • Size 111KB
          • SHA256 9f4c98b0c70d151a57d41dec70bc115a20edfeb7659025022765ef7d6efc6624
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download