Overview

overview

8

Static

static

3

AACGUARD-v...02.exe

windows10-2004-x64

7

AACGUARD-v...02.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$RESOURCES...AC.exe

windows10-2004-x64

7

$RESOURCES...AC.exe

windows11-ltsc_2024-x64

3

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

1

$RESOURCES...op.dll

windows10-2004-x64

1

$RESOURCES...op.dll

windows11-ltsc_2024-x64

8

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    599s
  • max time network
    559s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/10/2026, 16:49

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General

  • Target
    $RESOURCES/AACGUARD/AACGUARD/SQLite.Interop.dll
  • Size 1.9MB
  • Sample261018-vbpftassbx
  • SHA256 1111916dc329a13bd627b2cd90c9b2263de9923fd0bb6059c69c52332f360c37
  • 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
  • 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 32 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\SQLite.Interop.dll,#1
    1⤵
      PID:4884
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2164
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4500
        • 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:2152
      • 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:3388
      • 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:5580

      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 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/2152-185-0x00000000060F0000-0x000000000627E000-memory.dmp
            Download

            memory/3388-21-0x000001F6001E0000-0x000001F6002E0000-memory.dmp
            Download

            memory/3388-67-0x000001F6142E0000-0x000001F614300000-memory.dmp
            Download

            memory/3388-27-0x000001F602B70000-0x000001F602B90000-memory.dmp
            Download

            memory/3388-34-0x000001F602CC0000-0x000001F602CE0000-memory.dmp
            Download

            memory/3388-29-0x000001F602EA0000-0x000001F602FA0000-memory.dmp
            Download

            memory/5580-186-0x000001A900000000-0x000001A9002BC000-memory.dmp
            Download

            memory/5580-203-0x000001A900000000-0x000001A9002BC000-memory.dmp
            Download