Analysis

  • user interaction
    yes
  • max time kernel
    137s
  • max time network
    140s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/08/2026, 15:58

General

  • Target
    Installer-1.1.0.exe
  • Size 9.8MB
  • Sample260820-tex2pafk21
  • SHA256 7d369ef21a49e0bcfd7875d2e000a5c6bb592e00f305e139a188f40b3dc32249
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

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

  • Modifies registry key 1 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 30 IoCs
  • Suspicious use of SendNotifyMessage 30 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer-1.1.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer-1.1.0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\MadiumInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\MadiumInstaller.exe" --from-sfx --first-install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "$ErrorActionPreference='Stop'; if ($null -eq (Get-Command Get-MpComputerStatus -ErrorAction SilentlyContinue)) { exit 0 }; $status=Get-MpComputerStatus -ErrorAction SilentlyContinue; if ($null -eq $status -or $status.AntivirusEnabled -ne $true) { exit 0 }; $p='C:\Users\Admin\AppData\Local\Madium'.TrimEnd('\'); $current=@((Get-MpPreference -ErrorAction Stop).ExclusionPath); $has=@($current | Where-Object { $_ -and $_.TrimEnd('\') -ieq $p }).Count -gt 0; if (-not $has) { Add-MpPreference -ExclusionPath $p -ErrorAction Stop; $current=@((Get-MpPreference -ErrorAction Stop).ExclusionPath); $has=@($current | Where-Object { $_ -and $_.TrimEnd('\') -ieq $p }).Count -gt 0; if (-not $has) { throw 'Defender did not save the exclusion.' } }"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3344
      • C:\Program Files\dotnet\dotnet.exe
        dotnet.exe --list-runtimes
        3⤵
        • System Time Discovery
        PID:4932
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed
        3⤵
        • Modifies registry key
        PID:1452
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed
        3⤵
        • Modifies registry key
        PID:3132
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed
        3⤵
        • Modifies registry key
        PID:4944
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed
        3⤵
        • Modifies registry key
        PID:3204
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
        3⤵
        • Modifies registry key
        PID:452
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
        3⤵
        • Modifies registry key
        PID:1828
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKCU\Software\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
        3⤵
        • Modifies registry key
        PID:2548
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v Release
        3⤵
          PID:4928
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoLogo -NoProfile -NonInteractive -Command "$sig = Get-AuthenticodeSignature -LiteralPath 'C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-redist.exe'; if ($sig.Status -eq 'Valid') { exit 0 }; exit 1"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3408
        • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\install.ps1"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3432
          • C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-redist.exe
            "C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-redist.exe" /Q /T:"C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1816
          • C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files\DXSETUP.exe
            "C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files\DXSETUP.exe" /silent
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            PID:4932
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3232
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
        PID:3660
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:3120
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /7
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1452

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Madium.exe.download

            • Path C:\Users\Admin\AppData\Local\Madium\Bin\Madium.exe.download
            • Size 12.0MB
            • SHA256 6d6de8ce543029fb7fac8f940241975c4e1862b63b948d94af411dd9bb04c2e8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dxupdate.cab

            • Path C:\Users\Admin\AppData\Local\Madium\INSTAL~1\temp\deps\DIRECT~1\dxupdate.cab
            • Size 94KB
            • SHA256 e18a5404b612e88fa8b403c9b33f064c0a89528db7ef9a79aa116908d0e6afed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            DSETUP32.DLL

            • Path C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files\DSETUP32.DLL
            • Size 1.5MB
            • SHA256 fb0e534f9b0926e518f1c2980640dfd29f14217cdfa37cf3a0c13349127ed9a8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            DXSETUP.exe

            • Path C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files\DXSETUP.exe
            • Size 505KB
            • SHA256 8f47d7121ef6532ad9ad9901e44e237f5c30448b752028c58a9d19521414e40d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dsetup.dll

            • Path C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\directx-files\dsetup.dll
            • Size 93KB
            • SHA256 2a61679eeedabf7d0d0ac14e5447486575622d6b7cfa56f136c1576ff96da21f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            install.ps1

            • Path C:\Users\Admin\AppData\Local\Madium\Installer\temp\deps\install.ps1
            • Size 2KB
            • SHA256 7f7eb8cf4fba079948705a83f968f52937c9f1733e752eda436ba6319cd5bece
            • MD5 SHA1 SHA512 TLSH

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            • Size 4KB
            • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 ad5cee6a519e17c8c3cda09d78e0e9f9cc04e539a2273532b5e07c9ddc6a9252
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 28d069a1bed10ff144caecc94e7fdf29503d1491ccf64302a809db238414a42e
            • MD5 SHA1 SHA512 TLSH

            MadiumInstaller.exe

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\MadiumInstaller.exe
            • Size 204KB
            • SHA256 4ccd3c14651d1842b201c02084730fcc3b674758a75754c4c69bf64f1a7cda4b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.so

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\app.so
            • Size 5.4MB
            • SHA256 d40a6c1b6bb279aa9e9a6ce542aa4f7a160193126b3ad1de0035dd10c4ef2f53
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AssetManifest.bin

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\AssetManifest.bin
            • Size 2B
            • SHA256 f566cc6fccc657365c0197accf3a7d6f80f85209ff666ff774f4dcbc524aa842
            • MD5 SHA1 SHA512

            FontManifest.json

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\FontManifest.json
            • Size 82B
            • SHA256 28b1eb2b3d2e1ad60b8c8b0f9100b1ccbf492f7fa97f5bebb51ea97e73926e7d
            • MD5 SHA1 SHA512 TLSH

            NOTICES.Z

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\NOTICES.Z
            • Size 102KB
            • SHA256 bdb492de2b031ec16101eede4cd2f26feefcd75c16a09239fa471a9cc552fcca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            NativeAssetsManifest.json

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\NativeAssetsManifest.json
            • Size 45B
            • SHA256 9548a31e4a048135c1d94f919328bfb62ae2c7bb3cab96557c7941daa97776cb
            • MD5 SHA1 SHA512

            MaterialIcons-Regular.otf

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\fonts\MaterialIcons-Regular.otf
            • Size 1.6MB
            • SHA256 d9865b671a09d683d13a863089d8825e0f61a37696ce5d7d448bc8023aa62453
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ink_sparkle.frag

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\shaders\ink_sparkle.frag
            • Size 21KB
            • SHA256 1fe8436a743884cb65078fe8c7b38e18f5365f2a2961270916f426fd13c604af
            • MD5 SHA1 SHA512 SSDEEP TLSH

            stretch_effect.frag

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\flutter_assets\shaders\stretch_effect.frag
            • Size 17KB
            • SHA256 62a899ff4e168ac6ca888ce7c2f40e5d3fbf8ca20a1c3ded781a116a6d7907e2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            icudtl.dat

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\data\icudtl.dat
            • Size 842KB
            • SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            flutter_windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-EF0FAFD6-F02A-481A-B18E-7BA37C6CEADC\flutter_windows.dll
            • Size 20.3MB
            • SHA256 67db13c69a0ce93242d11c2f99dd86ccbabce18ea9de613f126e9e31817d6de6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            __PSScriptPolicyTest_zzamqzq4.p5o.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zzamqzq4.p5o.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            DirectX.log

            • Path C:\Windows\Logs\DirectX.log
            • Size 475B
            • SHA256 e8bb990186eaa394d25456a35f305c197fb7b12fe46f6384bd3730101d8799d6
            • MD5 SHA1 SHA512 TLSH

            memory/1228-25-0x000001D17BF30000-0x000001D17BF31000-memory.dmp

            memory/1228-21-0x000001D1790E0000-0x000001D1790E1000-memory.dmp

            memory/1228-28-0x000001D17C600000-0x000001D17C680000-memory.dmp

            memory/1228-22-0x000001D17BF50000-0x000001D17C4B5000-memory.dmp

            memory/1228-29-0x000001D17C600000-0x000001D17C680000-memory.dmp

            memory/1228-24-0x000001D17BF50000-0x000001D17C4B5000-memory.dmp

            memory/1228-23-0x000001D17BF50000-0x000001D17C4B5000-memory.dmp

            memory/1452-494-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-487-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-488-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-489-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-493-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-499-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-498-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-497-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-496-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/1452-495-0x000002E129120000-0x000002E129121000-memory.dmp

            memory/3344-103-0x000001ED3C120000-0x000001ED3C12A000-memory.dmp

            memory/3344-99-0x000001ED3BF70000-0x000001ED3BF7A000-memory.dmp

            memory/3344-87-0x000001ED3BBF0000-0x000001ED3BC12000-memory.dmp

            memory/3344-95-0x000001ED3BE80000-0x000001ED3BE9C000-memory.dmp

            memory/3344-96-0x000001ED3BEA0000-0x000001ED3BF53000-memory.dmp

            memory/3344-97-0x000001ED3BF60000-0x000001ED3BF6A000-memory.dmp

            memory/3344-98-0x000001ED3BF90000-0x000001ED3BFAC000-memory.dmp

            memory/3344-100-0x000001ED3C130000-0x000001ED3C14A000-memory.dmp

            memory/3344-101-0x000001ED3BF80000-0x000001ED3BF88000-memory.dmp

            memory/3344-106-0x000001ED22E20000-0x000001ED238E2000-memory.dmp

            memory/3344-102-0x000001ED3C110000-0x000001ED3C116000-memory.dmp

            memory/3408-134-0x0000012AA3720000-0x0000012AA41E2000-memory.dmp

            memory/3408-136-0x0000012AA3720000-0x0000012AA41E2000-memory.dmp

            memory/3432-486-0x0000022745B80000-0x0000022746642000-memory.dmp

            memory/3432-481-0x0000022745B80000-0x0000022746642000-memory.dmp

            memory/3432-480-0x0000022745B80000-0x0000022746642000-memory.dmp

            memory/3432-479-0x0000022745B80000-0x0000022746642000-memory.dmp

            memory/3432-478-0x0000022745B80000-0x0000022746642000-memory.dmp

            memory/3432-476-0x0000022745B80000-0x0000022746642000-memory.dmp