Resubmissions

09/08/2026, 22:41

260809-2mbseszxex8

09/08/2026, 22:30

260809-2ew4dswgnh8

Analysis

  • user interaction
    yes
  • max time kernel
    330s
  • max time network
    325s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 22:41

General

  • Target
    Installer-1.0.7.exe
  • Size 9.8MB
  • Sample260809-2mbseszxex
  • SHA256 48f359326787a848b89d838a318d797c51fd7feeeee602fff5f46b9d3f7b53ce
  • 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-1.0.7.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer-1.0.7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\MadiumInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\MadiumInstaller.exe" --from-sfx --first-install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1380
      • 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:5448
        • 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:5568
        • C:\Program Files\dotnet\dotnet.exe
          dotnet.exe --list-runtimes
          4⤵
          • System Time Discovery
          PID:4568
        • 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:3552
        • 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:4464
        • 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:3024
        • 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:3744
        • 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:3080
        • 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:4388
        • 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:2248
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v Release
          4⤵
            PID:992
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5280

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Madium.exe.download

            • Path C:\Users\Admin\AppData\Local\Madium\Bin\Madium.exe.download
            • Size 12.0MB
            • SHA256 031e36ef302fcfc8527ec40cced1b9b6bfa2508493a8744932fd6403fc0edc51
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MadiumInstaller.exe

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\MadiumInstaller.exe
            • Size 201KB
            • SHA256 6fd337856b578dcd62a24c5247ca5ba92de246acc0a2d95e03400dc954a97f1c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.so

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\app.so
            • Size 5.3MB
            • SHA256 0f6f8ad3b139c34d223f57f799a84065ce42530de7d87a9123a62169d3eb04a4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AssetManifest.bin

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\flutter_assets\AssetManifest.bin
            • Size 2B
            • SHA256 f566cc6fccc657365c0197accf3a7d6f80f85209ff666ff774f4dcbc524aa842
            • MD5 SHA1 SHA512

            FontManifest.json

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\flutter_assets\FontManifest.json
            • Size 82B
            • SHA256 28b1eb2b3d2e1ad60b8c8b0f9100b1ccbf492f7fa97f5bebb51ea97e73926e7d
            • MD5 SHA1 SHA512 TLSH

            NOTICES.Z

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\flutter_assets\NOTICES.Z
            • Size 102KB
            • SHA256 bdb492de2b031ec16101eede4cd2f26feefcd75c16a09239fa471a9cc552fcca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            NativeAssetsManifest.json

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\flutter_assets\NativeAssetsManifest.json
            • Size 45B
            • SHA256 9548a31e4a048135c1d94f919328bfb62ae2c7bb3cab96557c7941daa97776cb
            • MD5 SHA1 SHA512

            MaterialIcons-Regular.otf

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\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-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\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-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\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-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\data\icudtl.dat
            • Size 842KB
            • SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            flutter_windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-4F3B9D57-14D2-4043-90EB-D7D516FFB3CD\flutter_windows.dll
            • Size 20.3MB
            • SHA256 a5c880a4218a04cfb3e58b103160334658122c5e43d3b818b3d9af5ab3e1fc0e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1380-29-0x000001A641100000-0x000001A641180000-memory.dmp

            memory/1380-23-0x000001A640A50000-0x000001A640FA9000-memory.dmp

            memory/1380-25-0x000001A6409D0000-0x000001A6409D1000-memory.dmp

            memory/1380-28-0x000001A641100000-0x000001A641180000-memory.dmp

            memory/1380-24-0x000001A640A50000-0x000001A640FA9000-memory.dmp

            memory/1380-22-0x000001A640A50000-0x000001A640FA9000-memory.dmp

            memory/1380-21-0x000001A6409C0000-0x000001A6409C1000-memory.dmp

            memory/5448-47-0x00000271D1900000-0x00000271D1980000-memory.dmp

            memory/5448-46-0x00000271D1900000-0x00000271D1980000-memory.dmp

            memory/5568-52-0x000001317EF70000-0x000001317EF92000-memory.dmp

            memory/5568-55-0x000001317F030000-0x000001317F04E000-memory.dmp

            memory/5568-56-0x000001317F2C0000-0x000001317F372000-memory.dmp

            memory/5568-57-0x000001317F020000-0x000001317F02A000-memory.dmp