Analysis

  • max time kernel
    146s
  • max time network
    162s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 19:09

General

  • Target
    Install_28n002.msi
  • Size 5.7MB
  • Sample260729-xva4msek21
  • SHA256 859040fd7bca7322ad95a3a466e537f2e4676d05f3958f24b4b56f6f6b2900fd
  • 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 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_28n002.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2796
  • 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:4872
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 48059D970D97631603851DCD040BFC40 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:3928
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1400
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5636
    • C:\Users\Public\x0i4Fy\aF91NN.exe
      "C:\Users\Public\x0i4Fy\aF91NN.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:4212
      • 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:3924
      • 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\x0i4Fy\" /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:744
        • 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\x0i4Fy\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3880
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:4932
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:548
          • 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:4604
            • 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:1056
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:692
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:3480
              • 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:4960
                • 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:5952
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:1748
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:2408
                  • 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:4660
                    • 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:936
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:5720
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:5508
                      • 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:2776
                        • 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:3692
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:2912
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:3356
                          • C:\Program Files (x86)\6dUYf5\6dUYf5.exe
                            "C:\Program Files (x86)\6dUYf5\6dUYf5.exe"
                            2⤵
                              PID:1176
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\x0i4Fy" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            • Suspicious use of WriteProcessMemory
                            PID:2872
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\x0i4Fy" /t REG_DWORD /d 0 /f
                              2⤵
                              • Windows security bypass
                              PID:3844
                          • C:\Windows\system32\cmd.exe
                            cmd.exe
                            1⤵
                              PID:4824
                            • 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:5456
                              • 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:5488
                            • 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:848
                              • 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:4324
                            • 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:5632
                              • 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:2772
                            • 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:6068
                              • 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:5388

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  e59c192.rbs

                                  • Path C:\Config.Msi\e59c192.rbs
                                  • Size 7KB
                                  • SHA256 815f7e8e2d2e5e35904d449540aa2384a43ad0eb7e8acfa01cfd3291d2f493d1
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  6dUYf5.exe

                                  • Path C:\Program Files (x86)\6dUYf5\6dUYf5.exe
                                  • Size 145KB
                                  • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  XPSPLOG.dll

                                  • Path C:\Program Files (x86)\6dUYf5\XPSPLOG.dll
                                  • Size 4.6MB
                                  • SHA256 a56f84e41cac65241c6b3ae10c32c956927628400aeb2e2579af9ece4d2c7c2c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  image.png

                                  • Path C:\Program Files (x86)\6dUYf5\image.png
                                  • Size 4.9MB
                                  • SHA256 6185668caa0a0b6ff871a9e85b197e6211c91a820c62929ba73500a87d108033
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  thumbs.db

                                  • Path C:\Program Files (x86)\6dUYf5\thumbs.db
                                  • Size 358KB
                                  • SHA256 6714f5f4a5e5026dc6105e5e8f3c3ebb3368303cc52a7a6c871166efd4c5576e
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  UxEnhance64.dll

                                  • Path C:\Users\Public\x0i4Fy\UxEnhance64.dll
                                  • Size 3.1MB
                                  • SHA256 e30c14c839da0c5456b318032fe1599402646ab7a4906fd471bf46fde1037f0c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  aF91NN.exe

                                  • Path C:\Users\Public\x0i4Fy\aF91NN.exe
                                  • Size 135KB
                                  • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  adoresd.dat

                                  • Path C:\Users\Public\x0i4Fy\adoresd.dat
                                  • Size 4.8MB
                                  • SHA256 ad133b0bc6d0156ba784eacbb24742735f6d2021f9e260ed44b77a527b1339ef
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  msadox.tb

                                  • Path C:\Users\Public\x0i4Fy\msadox.tb
                                  • Size 8KB
                                  • SHA256 23f2c053f342d2430afd774ba781420b0413cbb811004af20bd23fd4af8427eb
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  MSIC887.tmp

                                  • Path C:\Windows\Installer\MSIC887.tmp
                                  • Size 5.7MB
                                  • SHA256 f2f0cc6f7b1e3334ca03256781a86ab7c7c728a28de49714dde0e915fa4eb146
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  e59c191.msi

                                  • Path C:\Windows\Installer\e59c191.msi
                                  • Size 5.7MB
                                  • SHA256 859040fd7bca7322ad95a3a466e537f2e4676d05f3958f24b4b56f6f6b2900fd
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  metadata-2

                                  • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                  • Size 26.1MB
                                  • SHA256 455f443ae5862b0267cc97694e5632f0beaed97ee8e10fce22cc6a0f5b526a89
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  {69f646b2-db5e-456c-a6df-e702f46cee85}_OnDiskSnapshotProp

                                  • Path \??\Volume{ca73a981-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{69f646b2-db5e-456c-a6df-e702f46cee85}_OnDiskSnapshotProp
                                  • Size 6KB
                                  • SHA256 cfe2c1807785d9a7d02dee82638b9d4c5a2a7b8d11f22efda847bf1a54d5ed6a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/1176-193-0x0000000003B90000-0x0000000004379000-memory.dmp

                                  memory/1176-197-0x0000000003B90000-0x0000000004379000-memory.dmp

                                  memory/1176-204-0x0000000001850000-0x0000000001864000-memory.dmp

                                  memory/1176-192-0x0000000001730000-0x0000000001731000-memory.dmp

                                  memory/1176-190-0x0000000003B90000-0x0000000004379000-memory.dmp

                                  memory/1176-186-0x0000000074DB0000-0x00000000754FA000-memory.dmp

                                  memory/1176-185-0x00000000012F0000-0x00000000012F1000-memory.dmp

                                  memory/3924-118-0x0000020B594C0000-0x0000020B594CA000-memory.dmp

                                  memory/3924-115-0x0000020B596F0000-0x0000020B5970E000-memory.dmp

                                  memory/3924-111-0x0000020B59470000-0x0000020B59492000-memory.dmp

                                  memory/3924-116-0x0000020B597D0000-0x0000020B59882000-memory.dmp

                                  memory/3928-40-0x00007FF8C64D0000-0x00007FF8C64E2000-memory.dmp

                                  memory/3928-12-0x00007FF8D6890000-0x00007FF8D6892000-memory.dmp

                                  memory/3928-14-0x00007FF8B35B0000-0x00007FF8B3C02000-memory.dmp

                                  memory/3928-16-0x00007FF8C64D0000-0x00007FF8C64E2000-memory.dmp

                                  memory/4212-58-0x00007FF8D6890000-0x00007FF8D6892000-memory.dmp

                                  memory/4212-93-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-94-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-91-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-85-0x000001BEB3940000-0x000001BEB39CA000-memory.dmp

                                  memory/4212-86-0x000001BEB3940000-0x000001BEB39CA000-memory.dmp

                                  memory/4212-87-0x000001BEB3940000-0x000001BEB39CA000-memory.dmp

                                  memory/4212-89-0x000001BEB3940000-0x000001BEB39CA000-memory.dmp

                                  memory/4212-84-0x000001BEB25D0000-0x000001BEB261E000-memory.dmp

                                  memory/4212-78-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-74-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-73-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-72-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-71-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-66-0x00007FF8D68A0000-0x00007FF8D68A2000-memory.dmp

                                  memory/4212-67-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-64-0x000001BEB3080000-0x000001BEB393E000-memory.dmp

                                  memory/4212-59-0x00007FF8B36F0000-0x00007FF8B3C0E000-memory.dmp