Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:11

General

  • Target
    Purchase Order PO K 0159.js
  • Size 167KB
  • Sample260804-k5tmhs11dw
  • SHA256 f474aab1668d61824903359da04c8930d20b5a18051147ad180d400591520135
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.6 Pro

Botnet
  • RemoteHost

C2
  • 23.95.103.253:2404

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-5LMRVT

  • 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.

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order PO K 0159.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\System32\conhost.exe
      "C:\Windows\System32\conhost.exe" --headless conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('WTXRnmnsglZuSM','Process'))| powershell.exe -w h -NOp -NonI -"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\System32\conhost.exe
        conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('WTXRnmnsglZuSM','Process'))| powershell.exe -w h -NOp -NonI -"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3228
        • C:\Windows\System32\cmd.exe
          cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('WTXRnmnsglZuSM','Process'))| powershell.exe -w h -NOp -NonI -"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3540
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('WTXRnmnsglZuSM','Process'))"
            5⤵
              PID:1356
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -w h -NOp -NonI -
              5⤵
              • Badlisted process makes network request
              • Registers new Windows logon scripts automatically executed at logon.
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2332

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2332-0-0x00007FFC1405F000-0x00007FFC14060000-memory.dmp

          memory/2332-3-0x000001985F5B0000-0x000001985F5D2000-memory.dmp

          memory/2332-5-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-4-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-6-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-7-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-8-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-9-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-10-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-11-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-12-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-13-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-14-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-16-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-17-0x000001985F5A0000-0x000001985F5B2000-memory.dmp

          memory/2332-19-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-18-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-15-0x000001985F640000-0x000001985F692000-memory.dmp

          memory/2332-20-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-21-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

          memory/2332-23-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-24-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-25-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-27-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-26-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-28-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-29-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-31-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-30-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-32-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-33-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-34-0x0000019860560000-0x000001986060B000-memory.dmp

          memory/2332-35-0x0000019860560000-0x000001986060B000-memory.dmp