Overview

overview

10

Static

static

1

106264855S...ION.js

windows10-2004-x64

10

106264855S...ION.js

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 02:45

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General

  • Target
    106264855SPECIFICATION.js
  • Size 3.1MB
  • Sample260707-c871badv5r
  • SHA256 b4fdd082603796a0bd9a765ca326fe643e8b4bc62e5fa9d472cadb221c509711
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareremotehostdefense_evasiondiscoveryexecutionremcospersistenceratspyware

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.6 Pro

Botnet

  • RemoteHost

C2

  • www.larmentyback2.com:4440

  • www.larmentybackup2.com:4440

  • www.larmentybac2.com:4440

  • www.larmentybadup.com:4440

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8SHHWO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

    ratremcos
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

    execution
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\106264855SPECIFICATION.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\script_g08FkPKRMo5Y_1783392359842.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2264
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:1140
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:4572
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:4704
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:5112
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:4768
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:4504
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • System Location Discovery: System Language Discovery
                    PID:4772
                • C:\Windows\System32\taskkill.exe
                  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                  2⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3520
              • C:\Windows\system32\sihost.exe
                sihost.exe
                1⤵
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:3044
                • C:\Windows\explorer.exe
                  explorer.exe /LOADSAVEDWINDOWS
                  2⤵
                  • Boot or Logon Autostart Execution: Active Setup
                  • Enumerates connected drives
                  • Checks SCSI registry key(s)
                  • Modifies Internet Explorer settings
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of SetWindowsHookEx
                  PID:3612
              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                1⤵
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                PID:5972
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                PID:4988

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    script_g08FkPKRMo5Y_1783392359842.ps1
                    • Path C:\Temp\script_g08FkPKRMo5Y_1783392359842.ps1
                    • Size 2.3MB
                    • SHA256 bc56a3ada38abf6e0830d14690fa8b8b3e4055a84f8d13d75f9f9e2582eb964e
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    prep_Activatable Class_Hermes_perf.cache
                    • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                    • Size 595B
                    • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    memory/2264-21-0x00000237A9990000-0x00000237A9998000-memory.dmp
                    Download

                    memory/2264-16-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-6-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-8-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-9-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-222-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-11-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-12-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-13-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-15-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-14-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-30-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-17-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-18-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-19-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-20-0x00000237915A0000-0x00000237915AA000-memory.dmp
                    Download

                    memory/2264-1-0x00007FF96D45F000-0x00007FF96D460000-memory.dmp
                    Download

                    memory/2264-23-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-7-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-2-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-5-0x0000023791570000-0x0000023791592000-memory.dmp
                    Download

                    memory/2264-31-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/2264-28-0x00007FF96D2D0000-0x00007FF96DC74000-memory.dmp
                    Download

                    memory/4772-25-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4772-29-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4772-27-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4772-32-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4772-24-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4772-26-0x0000000000400000-0x000000000048D000-memory.dmp
                    Download

                    memory/4988-219-0x0000020E551F0000-0x0000020E55881000-memory.dmp
                    Download

                    memory/5972-59-0x000001F083A30000-0x000001F083A50000-memory.dmp
                    Download

                    memory/5972-93-0x000001F094210000-0x000001F094230000-memory.dmp
                    Download

                    memory/5972-41-0x000001F0801E0000-0x000001F0802E0000-memory.dmp
                    Download

                    memory/5972-39-0x000001F0801E0000-0x000001F0802E0000-memory.dmp
                    Download

                    memory/5972-40-0x000001F0801E0000-0x000001F0802E0000-memory.dmp
                    Download

                    memory/5972-61-0x000001F093E90000-0x000001F093F90000-memory.dmp
                    Download

                    memory/5972-78-0x000001F083D70000-0x000001F083D90000-memory.dmp
                    Download