Overview

overview

8

Static

static

3

Extreme Injector.exe

windows10-2004-x64

6

Extreme Injector.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 01:47

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General

  • Target
    Extreme Injector.exe
  • Size 1.9MB
  • Sample260709-b71deabv5m
  • SHA256 b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\Extreme Injector.exe
    "C:\Users\Admin\AppData\Local\Temp\Extreme Injector.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:628
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3632
    • 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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3584
  • 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:4404
  • 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:3928

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

        memory/628-15-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-21-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-3-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-4-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-5-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-6-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-7-0x000000001EDF0000-0x000000001EE02000-memory.dmp
        Download

        memory/628-8-0x000000001EE50000-0x000000001EE8C000-memory.dmp
        Download

        memory/628-10-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-11-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-12-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-13-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-14-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-0-0x00007FF886ACF000-0x00007FF886AD0000-memory.dmp
        Download

        memory/628-2-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-18-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-16-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-19-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-20-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-17-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-22-0x00007FF886940000-0x00007FF8872E4000-memory.dmp
        Download

        memory/628-1-0x0000000000BB0000-0x0000000000D96000-memory.dmp
        Download

        memory/3928-210-0x0000023435B30000-0x0000023435DCE000-memory.dmp
        Download

        memory/4404-44-0x000001B4001E0000-0x000001B4002E0000-memory.dmp
        Download

        memory/4404-89-0x000001B414210000-0x000001B414230000-memory.dmp
        Download

        memory/4404-75-0x000001B403D70000-0x000001B403D90000-memory.dmp
        Download

        memory/4404-56-0x000001B413E70000-0x000001B413F70000-memory.dmp
        Download

        memory/4404-55-0x000001B403A30000-0x000001B403A50000-memory.dmp
        Download

        memory/4404-209-0x000001B417A30000-0x000001B417CCE000-memory.dmp
        Download