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
    601s
  • max time network
    552s
  • 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
    HowToFishTrainer.exe
  • Size 111.6MB
  • Sample260823-dq8dssxset
  • SHA256 043afea45ab69c748c037262aa8c057e001e21853a76ddf601ba79940df1a4b0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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\HowToFishTrainer.exe
    "C:\Users\Admin\AppData\Local\Temp\HowToFishTrainer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6096
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command [void][System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms'); [System.Windows.Forms.MessageBox]::Show('version 1.0.0','Program','OK','Information')"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command [void][System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms'); [System.Windows.Forms.MessageBox]::Show('version 1.0.0','Program','OK','Information')
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "net session"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5704
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5744
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:3516
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath $env:TEMP,'C:\ProgramData','C:\ProgramData\Windows\Microsoft','C:\ProgramData\Microsoft\Windows'; gpupdate /force""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5916
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath $env:TEMP,'C:\ProgramData','C:\ProgramData\Windows\Microsoft','C:\ProgramData\Microsoft\Windows'; gpupdate /force"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1148
          • C:\Windows\system32\gpupdate.exe
            "C:\Windows\system32\gpupdate.exe" /force
            4⤵
              PID:3300
        • C:\ProgramData\dIQarDMKS1Mx.exe
          C:\ProgramData\dIQarDMKS1Mx.exe
          2⤵
          • Executes dropped EXE
          • Checks for VirtualBox DLLs, possible anti-VM trick
          PID:1120
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4772
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4300
          • 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:4460
        • 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:1160
        • 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:1476

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              dIQarDMKS1Mx.exe
              • Path C:\ProgramData\dIQarDMKS1Mx.exe
              • Size 521KB
              • SHA256 ecdfee23f9db2bbdc65375dcd51718865f78eae8d737e0a1d05c518dc445512c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              StartupProfileData-NonInteractive
              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 64B
              • SHA256 92671c154d4e886f999580604f675416003965914ab8435babc0b11290f6a6a4
              • MD5 SHA1 SHA512
              Submit Download

              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

              __PSScriptPolicyTest_10saihxd.g4l.ps1
              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_10saihxd.g4l.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/880-9-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-8-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-7-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-10-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-11-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-12-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-14-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-6-0x000001DDFE000000-0x000001DDFE022000-memory.dmp
              Download

              memory/880-1-0x00007FF8B8E6F000-0x00007FF8B8E70000-memory.dmp
              Download

              memory/880-5-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/880-2-0x00007FF8B8CE0000-0x00007FF8B9684000-memory.dmp
              Download

              memory/1148-20-0x000002A277690000-0x000002A2776AE000-memory.dmp
              Download

              memory/1148-22-0x000002A2776B0000-0x000002A2776BA000-memory.dmp
              Download

              memory/1148-21-0x000002A277950000-0x000002A277A02000-memory.dmp
              Download

              memory/1160-55-0x000001E581A20000-0x000001E581A40000-memory.dmp
              Download

              memory/1160-96-0x000001E5942E0000-0x000001E594300000-memory.dmp
              Download

              memory/1160-82-0x000001E581D40000-0x000001E581D60000-memory.dmp
              Download

              memory/1160-56-0x000001E581E20000-0x000001E581F20000-memory.dmp
              Download

              memory/1160-50-0x000001E5801E0000-0x000001E5802E0000-memory.dmp
              Download

              memory/1160-52-0x000001E5801E0000-0x000001E5802E0000-memory.dmp
              Download

              memory/1160-51-0x000001E5801E0000-0x000001E5802E0000-memory.dmp
              Download

              memory/1160-224-0x000001E596000000-0x000001E5961E3000-memory.dmp
              Download