Analysis
- user interaction
yes - max time kernel
1049s - max time network
1030s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
26/08/2026, 15:49
General
- Target Installer-1.1.0.exe
- Size 9.8MB
- Sample260826-s9dqvs1hpg
- 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 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 22 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
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
-
C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-F382F485-D969-46DA-878F-D2E4B4D24407\MadiumInstaller.exe"C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-F382F485-D969-46DA-878F-D2E4B4D24407\MadiumInstaller.exe" --from-sfx --first-install2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exeC:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exe --installed3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files\dotnet\dotnet.exedotnet.exe --list-runtimes4⤵
- System Time Discovery
-
-
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed4⤵
- Modifies registry key
-
-
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
-
-
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed4⤵
- Modifies registry key
-
-
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
-
-
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
-
-
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
-
-
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
-
-
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v Release4⤵
-
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
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/3248-54-0x000002A367010000-0x000002A36702E000-memory.dmp
memory/3248-51-0x000002A366F40000-0x000002A366F62000-memory.dmp
memory/3248-55-0x000002A367030000-0x000002A3670E2000-memory.dmp
memory/3248-56-0x000002A367000000-0x000002A36700A000-memory.dmp
memory/3532-47-0x000001C5C0F80000-0x000001C5C1000000-memory.dmp
memory/3532-46-0x000001C5C0F80000-0x000001C5C1000000-memory.dmp
memory/4384-21-0x000001D4AF750000-0x000001D4AF751000-memory.dmp
memory/4384-25-0x000001D4AF760000-0x000001D4AF761000-memory.dmp
memory/4384-28-0x000001D4AFE80000-0x000001D4AFF00000-memory.dmp
memory/4384-29-0x000001D4AFE80000-0x000001D4AFF00000-memory.dmp
memory/4384-24-0x000001D4AF900000-0x000001D4AFE65000-memory.dmp
memory/4384-23-0x000001D4AF900000-0x000001D4AFE65000-memory.dmp
memory/4384-22-0x000001D4AF900000-0x000001D4AFE65000-memory.dmp