Overview

overview

8

Static

static

3

npp.8.9.8....64.exe

windows10-2004-x64

5

npp.8.9.8....64.exe

windows11-ltsc_2024-x64

6

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...al.ini

windows10-2004-x64

1

$PLUGINSDI...al.ini

windows11-ltsc_2024-x64

1

$PLUGINSDI...er.bmp

windows10-2004-x64

1

$PLUGINSDI...er.bmp

windows11-ltsc_2024-x64

1

$PLUGINSDI...rd.bmp

windows10-2004-x64

1

$PLUGINSDI...rd.bmp

windows11-ltsc_2024-x64

8

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    554s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 11:09

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General

  • Target
    npp.8.9.8.Installer.x64.exe
  • Size 6.6MB
  • Sample260908-m849jayflb
  • SHA256 7b2a949bf460fb37a3888c9048698f43222a185a48323023df1c51e78a3ca1c2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 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\npp.8.9.8.Installer.x64.exe
    "C:\Users\Admin\AppData\Local\Temp\npp.8.9.8.Installer.x64.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:3268
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:704
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3896
      • 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:5832
    • 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:1788
    • 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:4536
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1244

      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

            InstallOptions.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsm941A.tmp\InstallOptions.dll
            • Size 15KB
            • SHA256 dd0d1a8c4511261333e90a94d9912000592c46731b615aa7a37cd2b3eb6a8d58
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            LangDLL.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsm941A.tmp\LangDLL.dll
            • Size 5KB
            • SHA256 760df89c2341f9c39c0250c283cb9caad185244fd6b76e8157cdf49928dc1d8e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            System.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsm941A.tmp\System.dll
            • Size 12KB
            • SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ioSpecial.ini
            • Path C:\Users\Admin\AppData\Local\Temp\nsm941A.tmp\ioSpecial.ini
            • Size 1KB
            • SHA256 0aa0d4e656d87e7a202b64a0f2b0d09be1e1217c5f5027fe6a4c72c40b2f9097
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            nsDialogs.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsm941A.tmp\nsDialogs.dll
            • Size 9KB
            • SHA256 715a9b58de0995d1a08384c522ad9af210e2791aaf8e87a6c07bfe72ebfd2cb5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1788-144-0x0000027D84100000-0x0000027D84120000-memory.dmp
            Download

            memory/1788-111-0x0000027D82D70000-0x0000027D82E70000-memory.dmp
            Download

            memory/1788-109-0x0000027D82910000-0x0000027D82930000-memory.dmp
            Download

            memory/1788-98-0x0000027D801E0000-0x0000027D802E0000-memory.dmp
            Download

            memory/1788-121-0x0000027D82B70000-0x0000027D82B90000-memory.dmp
            Download