Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 12:59

General

  • Target
    Fudra Steel LLC Processed Inv4762.js
  • Size 4.7MB
  • Sample260831-p76gbasdlc
  • SHA256 ebe705a3bf186ccd049970df3473debffb89811bdc03d63eb3558a5232a2793a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • 96.9.226.22:9462

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-1BOHM4

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Fudra Steel LLC Processed Inv4762.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_LepwRqH1RT7i_1788181164356.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3684
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:4372
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:704
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:5064
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:3796
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:5912
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Accesses Microsoft Outlook profiles
                  • Suspicious use of SetWindowsHookEx
                  • outlook_office_path
                  PID:1360
              • C:\Windows\System32\taskkill.exe
                "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:3224
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k GPSvcGroup
              1⤵
                PID:1308

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    logs.dat

                    • Path C:\ProgramData\remcos\logs.dat
                    • Size 102B
                    • SHA256 abbb1eef160e7065d0351c6aef9b077a41925a61d5e050e213f12366d0be5c5c
                    • MD5 SHA1 SHA512 TLSH

                    ps_LepwRqH1RT7i_1788181164356.ps1

                    • Path C:\Temp\ps_LepwRqH1RT7i_1788181164356.ps1
                    • Size 3.5MB
                    • SHA256 231c3db71fdc3ef3757b626d4a9dbf08e8393fb081976846dc94fc15d781aac5
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/1360-56-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-60-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-87-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-77-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-69-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-68-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-86-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-54-0x0000000010000000-0x00000000100F7000-memory.dmp

                    memory/1360-55-0x0000000010000000-0x00000000100F7000-memory.dmp

                    memory/1360-59-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-78-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-40-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-62-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-51-0x0000000010000000-0x00000000100F7000-memory.dmp

                    memory/1360-50-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-49-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-48-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-47-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-46-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-43-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-42-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-41-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/1360-39-0x0000000000400000-0x0000000000490000-memory.dmp

                    memory/3684-18-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-21-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-31-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-32-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-33-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-34-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-35-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-36-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-37-0x000002616E3A0000-0x000002616E3AA000-memory.dmp

                    memory/3684-38-0x000002616E4C0000-0x000002616E4C8000-memory.dmp

                    memory/3684-29-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-28-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-27-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-26-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-25-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-24-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-23-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-30-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-20-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-19-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-1-0x00007FFEC4A2F000-0x00007FFEC4A30000-memory.dmp

                    memory/3684-17-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-16-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-15-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-14-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-13-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-12-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-11-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-10-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-9-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-76-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-8-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-6-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp

                    memory/3684-5-0x000002616E820000-0x000002616E842000-memory.dmp

                    memory/3684-2-0x00007FFEC48A0000-0x00007FFEC5244000-memory.dmp