Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/09/2026, 02:14

General

  • Target
    st.exe
  • Size 14.9MB
  • Sample260917-cphlbaxfld
  • SHA256 df13c69b370474edab390f0685fc4986a3a5503035bc907cd66cba3cfc25f892
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: ChromElevator

    ChromElevator is an open-source post-exploitation tool for stealing user data from Chromium browsers.

  • Detects ChromElevator 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\st.exe
    "C:\Users\Admin\AppData\Local\Temp\st.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c chcp 65001 > nul
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:4112
      • C:\Users\Admin\AppData\Local\Temp\chromelevator.exe
        "C:\Users\Admin\AppData\Local\Temp\chromelevator.exe" chrome --output-path "C:\Users\Admin\AppData\Local\Temp\\Winapi\Browsers\Chrome_raw" --kill
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5260
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          3⤵
            PID:1956
        • C:\Users\Admin\AppData\Local\Temp\chromelevator.exe
          "C:\Users\Admin\AppData\Local\Temp\chromelevator.exe" edge --output-path "C:\Users\Admin\AppData\Local\Temp\\Winapi\Browsers\Edge_raw" --kill
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4452
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            3⤵
              PID:4964
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -ExecutionPolicy Bypass -Command "Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\\Winapi\*' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\\win.zip' -Force"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:936
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:5428
          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
            1⤵
              PID:460

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  Firefox_Cookies.txt

                  • Path C:\Users\Admin\AppData\Local\Temp\Winapi\Browsers\Firefox_Cookies.txt
                  • Size 31B
                  • SHA256 fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66
                  • MD5 SHA1 SHA512

                  Screenshot.bmp

                  • Path C:\Users\Admin\AppData\Local\Temp\Winapi\Screenshot.bmp
                  • Size 7.9MB
                  • SHA256 68ef00e9622a564f03b617ce25fbc48cbcdcf71e00c2ae24180df03b1611346a
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  System.txt

                  • Path C:\Users\Admin\AppData\Local\Temp\Winapi\System.txt
                  • Size 426B
                  • SHA256 330a132bd7f46c6921d06abb134373a4839aa7932addf9eb0cecd205f2c68423
                  • MD5 SHA1 SHA512 TLSH

                  chromelevator.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\chromelevator.exe
                  • Size 1.4MB
                  • SHA256 a95ad2f5dec66f6ce6c7ab58d158b64225437e42e2397b8f958bfa507ebb7dbe
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  win.zip

                  • Path C:\Users\Admin\AppData\Local\Temp\win.zip
                  • Size 507KB
                  • SHA256 30e3153800098db2d787ab1d102f65cfecfe91e1300d2351cc925867d3256835
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/936-36-0x000001A2B75D0000-0x000001A2B75DA000-memory.dmp

                  memory/936-35-0x000001A2CFE80000-0x000001A2CFE92000-memory.dmp

                  memory/936-34-0x000001A2B75D0000-0x000001A2B75DA000-memory.dmp

                  memory/936-33-0x000001A2CFDC0000-0x000001A2CFE72000-memory.dmp

                  memory/936-32-0x000001A2B7700000-0x000001A2B771E000-memory.dmp

                  memory/936-29-0x000001A2B7550000-0x000001A2B7572000-memory.dmp

                  memory/2812-2-0x00007FFB60AA0000-0x00007FFB60AA2000-memory.dmp

                  memory/2812-12-0x00007FF748610000-0x00007FF74A01B000-memory.dmp

                  memory/2812-7-0x00007FFB5E6B0000-0x00007FFB5E6B2000-memory.dmp

                  memory/2812-4-0x00007FFB607D0000-0x00007FFB607D2000-memory.dmp

                  memory/2812-1-0x00007FFB60A90000-0x00007FFB60A92000-memory.dmp

                  memory/2812-5-0x00007FFB607E0000-0x00007FFB607E2000-memory.dmp

                  memory/2812-6-0x00007FFB5E6A0000-0x00007FFB5E6A2000-memory.dmp

                  memory/2812-3-0x00007FFB60AB0000-0x00007FFB60AB2000-memory.dmp

                  memory/2812-0-0x00007FF7487C4000-0x00007FF749127000-memory.dmp

                  memory/2812-46-0x00007FF748610000-0x00007FF74A01B000-memory.dmp

                  memory/2812-47-0x00007FF7487C4000-0x00007FF749127000-memory.dmp