Analysis

  • geolocation tags

    cacanadananorth-americatoronto
  • user interaction
    yes
  • max time kernel
    122s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/08/2026, 22:25

General

  • Target
    Installer-1.1.0.exe
  • Size 9.8MB
  • Sample260828-2b2vgatfla
  • SHA256 7d369ef21a49e0bcfd7875d2e000a5c6bb592e00f305e139a188f40b3dc32249
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

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
    PID:4040
    • C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\MadiumInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\MadiumInstaller.exe" --from-sfx --first-install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:52
      • C:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exe
        C:\Users\Admin\AppData\Local\Madium\Installer\MadiumInstaller.exe --installed
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2700
        • 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
          PID:6084
        • C:\Program Files\dotnet\dotnet.exe
          dotnet.exe --list-runtimes
          4⤵
          • System Time Discovery
          PID:5524
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed
          4⤵
          • Modifies registry key
          PID:1772
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 /v Installed
          4⤵
          • Modifies registry key
          PID:6088
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed
          4⤵
          • Modifies registry key
          PID:2588
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86 /v Installed
          4⤵
          • Modifies registry key
          PID:3208
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
          4⤵
          • Modifies registry key
          PID:2200
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKLM\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
          4⤵
          • Modifies registry key
          PID:1036
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKCU\Software\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} /v pv
          4⤵
          • Modifies registry key
          PID:5852
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v Release
          4⤵
            PID:4580

    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 12.3MB
          • SHA256 2863398b1a53c636009ac3f9764502e02678d7b8a5657bbbf9bf1640050d2b0d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MadiumInstaller.exe

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\MadiumInstaller.exe
          • Size 204KB
          • SHA256 4ccd3c14651d1842b201c02084730fcc3b674758a75754c4c69bf64f1a7cda4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.so

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\data\app.so
          • Size 5.4MB
          • SHA256 d40a6c1b6bb279aa9e9a6ce542aa4f7a160193126b3ad1de0035dd10c4ef2f53
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AssetManifest.bin

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\data\flutter_assets\AssetManifest.bin
          • Size 2B
          • SHA256 f566cc6fccc657365c0197accf3a7d6f80f85209ff666ff774f4dcbc524aa842
          • MD5 SHA1 SHA512

          FontManifest.json

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\data\flutter_assets\FontManifest.json
          • Size 82B
          • SHA256 28b1eb2b3d2e1ad60b8c8b0f9100b1ccbf492f7fa97f5bebb51ea97e73926e7d
          • MD5 SHA1 SHA512 TLSH

          NOTICES.Z

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\data\flutter_assets\NOTICES.Z
          • Size 102KB
          • SHA256 bdb492de2b031ec16101eede4cd2f26feefcd75c16a09239fa471a9cc552fcca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          NativeAssetsManifest.json

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\data\flutter_assets\NativeAssetsManifest.json
          • Size 45B
          • SHA256 9548a31e4a048135c1d94f919328bfb62ae2c7bb3cab96557c7941daa97776cb
          • MD5 SHA1 SHA512

          MaterialIcons-Regular.otf

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\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-AC258308-7A74-45CA-9868-27E07D84C5E4\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-AC258308-7A74-45CA-9868-27E07D84C5E4\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-AC258308-7A74-45CA-9868-27E07D84C5E4\data\icudtl.dat
          • Size 842KB
          • SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          flutter_windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-AC258308-7A74-45CA-9868-27E07D84C5E4\flutter_windows.dll
          • Size 20.3MB
          • SHA256 67db13c69a0ce93242d11c2f99dd86ccbabce18ea9de613f126e9e31817d6de6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/52-22-0x000002A4242E0000-0x000002A424845000-memory.dmp

          memory/52-24-0x000002A4242E0000-0x000002A424845000-memory.dmp

          memory/52-28-0x000002A424980000-0x000002A424A00000-memory.dmp

          memory/52-29-0x000002A424980000-0x000002A424A00000-memory.dmp

          memory/52-23-0x000002A4242E0000-0x000002A424845000-memory.dmp

          memory/52-21-0x000002A424290000-0x000002A424291000-memory.dmp

          memory/52-25-0x000002A4242A0000-0x000002A4242A1000-memory.dmp

          memory/2700-47-0x0000024E42100000-0x0000024E42180000-memory.dmp

          memory/2700-46-0x0000024E42100000-0x0000024E42180000-memory.dmp

          memory/6084-49-0x0000029D0EF00000-0x0000029D0EF22000-memory.dmp

          memory/6084-54-0x0000029D27720000-0x0000029D2773E000-memory.dmp

          memory/6084-55-0x0000029D27740000-0x0000029D277F2000-memory.dmp

          memory/6084-56-0x0000029D0EFA0000-0x0000029D0EFAA000-memory.dmp