Overview

overview

8

Static

static

3

HowToFishTrainer.exe

windows10-2004-x64

8

HowToFishTrainer.exe

windows11-ltsc_2024-x64

8

d3dcompiler_47.dll

windows10-2004-x64

1

dxcompiler.dll

windows10-2004-x64

1

dxil.dll

windows10-2004-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows10-2004-x64

1

res/Engine...api.js

windows10-2004-x64

3

res/Engine...api.js

windows11-ltsc_2024-x64

8

res/Engine...gex.js

windows10-2004-x64

3

res/Engine...gex.js

windows11-ltsc_2024-x64

8

res/Engine...ema.js

windows10-2004-x64

3

res/Engine...ema.js

windows11-ltsc_2024-x64

8

res/Extern...p1.exe

windows10-2004-x64

6

res/Extern...p1.exe

windows11-ltsc_2024-x64

6

res/Extern...p1.exe

windows10-2004-x64

res/Extern...p1.exe

windows11-ltsc_2024-x64

res/Extern...12.exe

windows10-2004-x64

4

res/Extern...12.exe

windows11-ltsc_2024-x64

4

res/Extern...12.exe

windows10-2004-x64

4

res/Extern...12.exe

windows11-ltsc_2024-x64

4

res/Extern...13.exe

windows10-2004-x64

4

res/Extern...13.exe

windows11-ltsc_2024-x64

6

res/Extern...64.exe

windows10-2004-x64

4

res/Extern...64.exe

windows11-ltsc_2024-x64

6

res/Extern...86.exe

windows10-2004-x64

4

res/Extern...86.exe

windows11-ltsc_2024-x64

6

vcruntime140.dll

windows10-2004-x64

1

vcruntime140.dll

windows11-ltsc_2024-x64

6

vulkan-1.dll

windows10-2004-x64

1

Analysis

  • max time kernel
    599s
  • max time network
    570s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 03:13

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General

  • Target
    vcruntime140.dll
  • Size 94KB
  • Sample260823-dq8dssxset
  • SHA256 1729421a22585823493d5a125cd43a470889b952a2422f48a7bc8193f5c23b0f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
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 34 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\vcruntime140.dll,#1
    1⤵
      PID:3424
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3852
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3048
        • 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:5404
      • 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:2092
      • 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:3700

      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/2092-20-0x0000013204D60000-0x0000013204E60000-memory.dmp
            Download

            memory/2092-36-0x000001321AC30000-0x000001321AC50000-memory.dmp
            Download

            memory/2092-30-0x000001320A200000-0x000001320A220000-memory.dmp
            Download

            memory/2092-27-0x0000013207EA0000-0x0000013207EC0000-memory.dmp
            Download

            memory/2092-28-0x000001321A3E0000-0x000001321A4E0000-memory.dmp
            Download