Analysis
- user interaction
yes - max time kernel
148s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
16/09/2026, 06:28
General
- Target Installer-1.1.0.exe
- Size 9.8MB
- Sample260916-g8eqzstyev
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 11 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-906FB261-9869-4CE5-B28B-D3F690ED50FC\MadiumInstaller.exe"C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-906FB261-9869-4CE5-B28B-D3F690ED50FC\MadiumInstaller.exe" --from-sfx --first-install2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- 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.' } }"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files\dotnet\dotnet.exedotnet.exe --list-runtimes3⤵
- 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 Installed3⤵
- 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 Installed3⤵
- 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 Installed3⤵
- 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 Installed3⤵
- 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 pv3⤵
- 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 pv3⤵
- 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 pv3⤵
- 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 Release3⤵
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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
__PSScriptPolicyTest_3gxbplbo.qbr.ps1
memory/3908-21-0x000001EDD8D80000-0x000001EDD8D81000-memory.dmp
memory/3908-25-0x000001EDD8D90000-0x000001EDD8D91000-memory.dmp
memory/3908-23-0x000001EDD8E50000-0x000001EDD93B5000-memory.dmp
memory/3908-29-0x000001EDD9500000-0x000001EDD9580000-memory.dmp
memory/3908-28-0x000001EDD9500000-0x000001EDD9580000-memory.dmp
memory/3908-22-0x000001EDD8E50000-0x000001EDD93B5000-memory.dmp
memory/3908-24-0x000001EDD8E50000-0x000001EDD93B5000-memory.dmp
memory/4912-89-0x0000015272C90000-0x0000015272CB2000-memory.dmp