Analysis
- user interaction
yes - max time kernel
900s - max time network
896s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 18:53
General
- Target Installer-1.1.0.exe
- Size 9.8MB
- Sample260930-xjp4esvzbx
- SHA256 7d369ef21a49e0bcfd7875d2e000a5c6bb592e00f305e139a188f40b3dc32249
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.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Time Discovery 1 TTPs 1 IoCs
Adversary may gather the system time and/or time zone settings from a local or remote system.
- Modifies registry key 1 TTPs 7 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 22 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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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
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C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-609C5D6E-3B52-437A-9186-93632F405F5B\MadiumInstaller.exe"C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-609C5D6E-3B52-437A-9186-93632F405F5B\MadiumInstaller.exe" --from-sfx --first-install2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exeC:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exe --installed3⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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.' } }"4⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files\dotnet\dotnet.exedotnet.exe --list-runtimes4⤵
- System Time Discovery
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKCU\Software\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv4⤵
- Modifies registry key
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C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v Release4⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Madium.exe.download
MadiumInstaller.exe
app.so
AssetManifest.bin
FontManifest.json
NOTICES.Z
NativeAssetsManifest.json
MaterialIcons-Regular.otf
ink_sparkle.frag
stretch_effect.frag
icudtl.dat
flutter_windows.dll
memory/828-57-0x000001BD7A380000-0x000001BD7A38A000-memory.dmp
memory/828-56-0x000001BD7A2C0000-0x000001BD7A372000-memory.dmp
memory/828-55-0x000001BD7A2A0000-0x000001BD7A2BE000-memory.dmp
memory/828-52-0x000001BD7A200000-0x000001BD7A222000-memory.dmp
memory/1900-46-0x000002EB0C900000-0x000002EB0C980000-memory.dmp
memory/1900-47-0x000002EB0C900000-0x000002EB0C980000-memory.dmp
memory/3884-21-0x000001D9AD080000-0x000001D9AD081000-memory.dmp
memory/3884-22-0x000001D9B09E0000-0x000001D9B0F45000-memory.dmp
memory/3884-23-0x000001D9B09E0000-0x000001D9B0F45000-memory.dmp
memory/3884-25-0x000001D9AD090000-0x000001D9AD091000-memory.dmp
memory/3884-28-0x000001D9AD100000-0x000001D9AD180000-memory.dmp
memory/3884-29-0x000001D9AD100000-0x000001D9AD180000-memory.dmp
memory/3884-24-0x000001D9B09E0000-0x000001D9B0F45000-memory.dmp