Analysis

  • max time kernel
    148s
  • 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
    02/08/2026, 05:03

General

  • Target
    install_s0up009.msi
  • Size 7.2MB
  • Sample260802-fpq48sdd54
  • SHA256 4ec483d1e6c8b6d257989ab8072b0736dc685f47b38a2d4e697fa9e913875430
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 10 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 9 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 5 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 28 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\install_s0up009.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3008
  • 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:4312
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4264
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 00A98601327B617D9D8522CEACD88F75 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:256
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4620
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5312
    • C:\Users\Public\RS3dTI\QWUaqU.exe
      "C:\Users\Public\RS3dTI\QWUaqU.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:5200
      • 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: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:\Users\Public\RS3dTI\" /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:1612
        • 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\RS3dTI\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5308
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:1772
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:5560
          • 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:620
            • 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:6060
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:2748
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:292
              • 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:2132
                • 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:4700
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:2176
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:1684
                  • 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:200
                    • 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:4212
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:4432
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:5012
                      • 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:3844
                        • 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:3712
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:4912
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:1620
                          • C:\Program Files (x86)\h3WDKg\ZR1Bzb.exe
                            "C:\Program Files (x86)\h3WDKg\ZR1Bzb.exe"
                            2⤵
                              PID:1344
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\RS3dTI" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            • Suspicious use of WriteProcessMemory
                            PID:4124
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\RS3dTI" /t REG_DWORD /d 0 /f
                              2⤵
                              • Windows security bypass
                              PID:4156
                          • C:\Windows\system32\cmd.exe
                            cmd.exe
                            1⤵
                              PID:5656
                            • 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
                              • Suspicious use of WriteProcessMemory
                              PID:352
                              • C:\Windows\System32\reg.exe
                                reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                                2⤵
                                • Windows security bypass
                                PID:252
                            • 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:828
                              • 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:756
                            • 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:1092
                              • 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:1324
                            • 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:5600
                              • 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:4708

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  e595858.rbs

                                  • Path C:\Config.Msi\e595858.rbs
                                  • Size 7KB
                                  • SHA256 d3117d9d2f6e1c73e30463fc39a58fbb6dddf9e3742633661a22e12d77a38ef8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  XPSPLOG.dll

                                  • Path C:\Program Files (x86)\h3WDKg\XPSPLOG.dll
                                  • Size 4.6MB
                                  • SHA256 20636e4864763bcf6e1614406a0ff50c1d0544e6e44f30357e04df217f229b33
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  ZR1Bzb.exe

                                  • Path C:\Program Files (x86)\h3WDKg\ZR1Bzb.exe
                                  • Size 145KB
                                  • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  QWUaqU.exe

                                  • Path C:\Users\Public\RS3dTI\QWUaqU.exe
                                  • Size 135KB
                                  • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  UxEnhance64.dll

                                  • Path C:\Users\Public\RS3dTI\UxEnhance64.dll
                                  • Size 3.1MB
                                  • SHA256 f10971ddbebfbab71199aed852f328543c34c13c8dc2ab31f9af27d8c3b98aac
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  adoresd.dat

                                  • Path C:\Users\Public\RS3dTI\adoresd.dat
                                  • Size 4.7MB
                                  • SHA256 6106017221344eec20bbebe9faceaf47e4e249bc5fd9fb6478096498b074ba2b
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  msadox.tb

                                  • Path C:\Users\Public\RS3dTI\msadox.tb
                                  • Size 8KB
                                  • SHA256 4350374988d2b4294106ce8caa422fb00db808ce779ce79f19c3ef16b7e80cc2
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  MSI5EFF.tmp

                                  • Path C:\Windows\Installer\MSI5EFF.tmp
                                  • Size 7.2MB
                                  • SHA256 f16b8e99c52ce82ceaa392631f69bba53f0070a2a60af02f41648468173cf25e
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  e595857.msi

                                  • Path C:\Windows\Installer\e595857.msi
                                  • Size 7.2MB
                                  • SHA256 4ec483d1e6c8b6d257989ab8072b0736dc685f47b38a2d4e697fa9e913875430
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  metadata-2

                                  • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                  • Size 26.1MB
                                  • SHA256 8cadc0670eef06c436a8d1ae2090f80a521897f73ea71e700de9190eaccc709c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  {4b306e95-48c8-498c-a137-5847a552a04d}_OnDiskSnapshotProp

                                  • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4b306e95-48c8-498c-a137-5847a552a04d}_OnDiskSnapshotProp
                                  • Size 6KB
                                  • SHA256 dc921d39ebfa346919cc5280c9c3a8dc9a12bb4f73867f13b013c1715d4e8fc5
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/256-12-0x00007FFAD7470000-0x00007FFAD7472000-memory.dmp

                                  memory/256-16-0x00007FFAC3310000-0x00007FFAC3322000-memory.dmp

                                  memory/256-51-0x00007FFAC3310000-0x00007FFAC3322000-memory.dmp

                                  memory/256-13-0x00007FFAB2DB0000-0x00007FFAB33E4000-memory.dmp

                                  memory/4312-17-0x00000199D9760000-0x00000199DA104000-memory.dmp

                                  memory/4440-121-0x000001C263BB0000-0x000001C263BD2000-memory.dmp

                                  memory/4440-128-0x000001C264000000-0x000001C26400A000-memory.dmp

                                  memory/4440-127-0x000001C263E40000-0x000001C263EF2000-memory.dmp

                                  memory/4440-126-0x000001C263E20000-0x000001C263E3E000-memory.dmp

                                  memory/5200-77-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-84-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-83-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-89-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-97-0x000001FEBFC00000-0x000001FEBFC8A000-memory.dmp

                                  memory/5200-98-0x000001FEBFC00000-0x000001FEBFC8A000-memory.dmp

                                  memory/5200-100-0x000001FEBFC00000-0x000001FEBFC8A000-memory.dmp

                                  memory/5200-95-0x000001FEBE370000-0x000001FEBE3BE000-memory.dmp

                                  memory/5200-96-0x000001FEBFC00000-0x000001FEBFC8A000-memory.dmp

                                  memory/5200-102-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-105-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-107-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-82-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-81-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-76-0x00007FFAD7480000-0x00007FFAD7482000-memory.dmp

                                  memory/5200-74-0x000001FEC0680000-0x000001FEC0F11000-memory.dmp

                                  memory/5200-69-0x00007FFAB2ED0000-0x00007FFAB33EE000-memory.dmp

                                  memory/5200-68-0x00007FFAD7470000-0x00007FFAD7472000-memory.dmp