Overview

overview

8

Static

static

3

Madium-Installer.exe

windows10-2004-x64

6

Madium-Installer.exe

windows11-ltsc_2024-x64

8

Resubmissions

23/06/2026, 00:50

260623-a61gcahw9m

23/06/2026, 00:43

260623-a3afrahw7q8

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 00:43

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General

  • Target
    Madium-Installer.exe
  • Size 13.0MB
  • Sample260623-a3afrahw7q
  • SHA256 2ee90a1ea33cabb04324c4c81fbf5e10324555daa15a5ce1cca057c12e61b096
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\Madium-Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium-Installer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:2476
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3052
      • 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:2268
    • 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:5716
    • 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:5624

    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 603B
          • SHA256 b7b24070b727abf4ec727ac789912c80dde8beeef4b6d6f1cd0811244932936a
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          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

          memory/1684-1-0x00007FFDE6D30000-0x00007FFDE6D32000-memory.dmp
          Download

          memory/1684-5-0x00007FF670710000-0x00007FF671C46000-memory.dmp
          Download

          memory/1684-6-0x00007FF670710000-0x00007FF671C46000-memory.dmp
          Download

          memory/1684-18-0x00007FF670763000-0x00007FF670F4E000-memory.dmp
          Download

          memory/1684-19-0x00007FF670710000-0x00007FF671C46000-memory.dmp
          Download

          memory/1684-20-0x00007FF670763000-0x00007FF670F4E000-memory.dmp
          Download

          memory/1684-0-0x00007FF670763000-0x00007FF670F4E000-memory.dmp
          Download

          memory/2268-205-0x000000000E2B0000-0x000000000EB2B000-memory.dmp
          Download

          memory/5716-24-0x0000028B801E0000-0x0000028B802E0000-memory.dmp
          Download

          memory/5716-44-0x0000028B81A10000-0x0000028B81A30000-memory.dmp
          Download

          memory/5716-37-0x0000028B81EB0000-0x0000028B81FB0000-memory.dmp
          Download

          memory/5716-35-0x0000028B81C80000-0x0000028B81CA0000-memory.dmp
          Download

          memory/5716-68-0x0000028B94290000-0x0000028B942B0000-memory.dmp
          Download

          memory/5716-23-0x0000028B801E0000-0x0000028B802E0000-memory.dmp
          Download

          memory/5716-22-0x0000028B801E0000-0x0000028B802E0000-memory.dmp
          Download