Overview

overview

8

Static

static

3

EXM-2.1.1-...er.exe

windows10-2004-x64

7

EXM-2.1.1-...er.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    549s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 15:46

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General

  • Target
    EXM-2.1.1-installer.exe
  • Size 4.1MB
  • Sample260722-s7vllagg56
  • SHA256 8601523c07530b59d9df3be560dda60fe689f7921e0e2bd33d7e318880524e19
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareinstallerpersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • ConfuserEx .NET packer 2 IoCs

    Detects ConfuserEx .NET packer.

  • Inno Setup is an open-source installation builder for Windows applications. 1 IoCs

    Inno Setup installer

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor 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 35 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\EXM-2.1.1-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\EXM-2.1.1-installer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Users\Admin\AppData\Local\Temp\46401E7B\xv.exe
      "C:\Users\Admin\AppData\Local\Temp\46401E7B\xv.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SYSTEM32\curl.exe
        "curl" "-k" "-L" "-s" "-o" "C:\Users\Admin\AppData\Local\Microsoft\Windows\NtProfileIndex\python.zip.downloading" "https://www.python.org/ftp/python/3.12.7/python-3.12.7-embed-amd64.zip"
        3⤵
          PID:2052
      • C:\Users\Admin\AppData\Local\Temp\46401E7B\NVCleanstall_1.19.0.exe
        "C:\Users\Admin\AppData\Local\Temp\46401E7B\NVCleanstall_1.19.0.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5216
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1652
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4640
        • 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:4600
      • 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:2812
      • 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:3008
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:4432

        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

              NVCleanstall_1.19.0.exe
              • Path C:\Users\Admin\AppData\Local\Temp\46401E7B\NVCleanstall_1.19.0.exe
              • Size 3.8MB
              • SHA256 9dd36ef956af927cf41fa441f91b329a7973e13965e4e7d70e6fa9c1df1cade6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              xv.exe
              • Path C:\Users\Admin\AppData\Local\Temp\46401E7B\xv.exe
              • Size 1.1MB
              • SHA256 b673091476736a4c6ea7887e0fbe751dbe79091cb68381a3d8f40d6f125dcfab
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/3008-82-0x000001C381E00000-0x000001C381E20000-memory.dmp
              Download

              memory/3008-70-0x000001C381E80000-0x000001C381F80000-memory.dmp
              Download

              memory/3008-101-0x000001C394280000-0x000001C3942A0000-memory.dmp
              Download

              memory/3008-69-0x000001C381A20000-0x000001C381A40000-memory.dmp
              Download

              memory/3008-55-0x000001C3801E0000-0x000001C3802E0000-memory.dmp
              Download

              memory/5216-24-0x0000014ECC190000-0x0000014ECC19E000-memory.dmp
              Download

              memory/5216-27-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-17-0x0000014ECBE70000-0x0000014ECBE76000-memory.dmp
              Download

              memory/5216-15-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-18-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-19-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-20-0x0000014ECC130000-0x0000014ECC138000-memory.dmp
              Download

              memory/5216-21-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-14-0x0000014ECBEA0000-0x0000014ECBEC2000-memory.dmp
              Download

              memory/5216-23-0x0000014EE74C0000-0x0000014EE74FE000-memory.dmp
              Download

              memory/5216-22-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-25-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-26-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-16-0x0000014EE5330000-0x0000014EE57FC000-memory.dmp
              Download

              memory/5216-28-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-29-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-30-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-31-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-32-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-33-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-13-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-12-0x0000014EE4890000-0x0000014EE4E66000-memory.dmp
              Download

              memory/5216-11-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-10-0x00007FFA8F310000-0x00007FFA8FCB4000-memory.dmp
              Download

              memory/5216-9-0x0000014EC9D60000-0x0000014ECA132000-memory.dmp
              Download

              memory/5216-8-0x00007FFA8F49F000-0x00007FFA8F4A0000-memory.dmp
              Download