Overview

overview

8

Static

static

3

Installer-...1).exe

windows10-2004-x64

7

Installer-...1).exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    556s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 23:27

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General

  • Target
    Installer-1.1.0(1).exe
  • Size 9.8MB
  • Sample260930-3fhstsvwhy
  • SHA256 7d369ef21a49e0bcfd7875d2e000a5c6bb592e00f305e139a188f40b3dc32249
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer-1.1.0(1).exe
    "C:\Users\Admin\AppData\Local\Temp\Installer-1.1.0(1).exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\MadiumInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\MadiumInstaller.exe" --from-sfx --first-install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5808
      • 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
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of SetWindowsHookEx
        PID:3020
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5048
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:3960
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2800
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4580
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1388

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            MadiumInstaller.exe
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\MadiumInstaller.exe
            • Size 204KB
            • SHA256 4ccd3c14651d1842b201c02084730fcc3b674758a75754c4c69bf64f1a7cda4b
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            app.so
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\app.so
            • Size 5.4MB
            • SHA256 d40a6c1b6bb279aa9e9a6ce542aa4f7a160193126b3ad1de0035dd10c4ef2f53
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            AssetManifest.bin
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\AssetManifest.bin
            • Size 2B
            • SHA256 f566cc6fccc657365c0197accf3a7d6f80f85209ff666ff774f4dcbc524aa842
            • MD5 SHA1 SHA512
            Submit Download

            FontManifest.json
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\FontManifest.json
            • Size 82B
            • SHA256 28b1eb2b3d2e1ad60b8c8b0f9100b1ccbf492f7fa97f5bebb51ea97e73926e7d
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            NOTICES.Z
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\NOTICES.Z
            • Size 102KB
            • SHA256 bdb492de2b031ec16101eede4cd2f26feefcd75c16a09239fa471a9cc552fcca
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            NativeAssetsManifest.json
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\NativeAssetsManifest.json
            • Size 45B
            • SHA256 9548a31e4a048135c1d94f919328bfb62ae2c7bb3cab96557c7941daa97776cb
            • MD5 SHA1 SHA512
            Submit Download

            MaterialIcons-Regular.otf
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\fonts\MaterialIcons-Regular.otf
            • Size 1.6MB
            • SHA256 d9865b671a09d683d13a863089d8825e0f61a37696ce5d7d448bc8023aa62453
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ink_sparkle.frag
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\shaders\ink_sparkle.frag
            • Size 21KB
            • SHA256 1fe8436a743884cb65078fe8c7b38e18f5365f2a2961270916f426fd13c604af
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            stretch_effect.frag
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\flutter_assets\shaders\stretch_effect.frag
            • Size 17KB
            • SHA256 62a899ff4e168ac6ca888ce7c2f40e5d3fbf8ca20a1c3ded781a116a6d7907e2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            icudtl.dat
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\data\icudtl.dat
            • Size 842KB
            • SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            flutter_windows.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MadiumInstaller-B8448F08-2DEC-4CDF-B467-BEE12ABB815A\flutter_windows.dll
            • Size 20.3MB
            • SHA256 67db13c69a0ce93242d11c2f99dd86ccbabce18ea9de613f126e9e31817d6de6
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3020-47-0x0000024828980000-0x0000024828A00000-memory.dmp
            Download

            memory/3020-46-0x0000024828980000-0x0000024828A00000-memory.dmp
            Download

            memory/4580-101-0x000001F38D320000-0x000001F38D340000-memory.dmp
            Download

            memory/4580-84-0x000001F39D3A0000-0x000001F39D4A0000-memory.dmp
            Download

            memory/4580-69-0x000001EB801E0000-0x000001EB802E0000-memory.dmp
            Download

            memory/4580-83-0x000001F38D1A0000-0x000001F38D1C0000-memory.dmp
            Download

            memory/4580-70-0x000001EB801E0000-0x000001EB802E0000-memory.dmp
            Download

            memory/4580-71-0x000001EB801E0000-0x000001EB802E0000-memory.dmp
            Download

            memory/4580-117-0x000001F39D7A0000-0x000001F39D7C0000-memory.dmp
            Download

            memory/5808-28-0x00000182B0E00000-0x00000182B0E80000-memory.dmp
            Download

            memory/5808-21-0x00000182ACFD0000-0x00000182ACFD1000-memory.dmp
            Download

            memory/5808-24-0x00000182B0750000-0x00000182B0CB5000-memory.dmp
            Download

            memory/5808-29-0x00000182B0E00000-0x00000182B0E80000-memory.dmp
            Download

            memory/5808-25-0x00000182ACFF0000-0x00000182ACFF1000-memory.dmp
            Download

            memory/5808-23-0x00000182B0750000-0x00000182B0CB5000-memory.dmp
            Download

            memory/5808-22-0x00000182B0750000-0x00000182B0CB5000-memory.dmp
            Download