Overview

overview

10

Static

static

3

MecchaTrainer.exe

windows10-2004-x64

7

MecchaTrainer.exe

windows11-ltsc_2024-x64

10

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDIR/app-64.7z

windows10-2004-x64

1

$PLUGINSDIR/app-64.7z

windows11-ltsc_2024-x64

1

LICENSE.electron.txt

windows10-2004-x64

1

LICENSE.electron.txt

windows11-ltsc_2024-x64

1

chrome_100...nt.pak

windows10-2004-x64

3

chrome_100...nt.pak

windows11-ltsc_2024-x64

3

chrome_200...nt.pak

windows10-2004-x64

3

chrome_200...nt.pak

windows11-ltsc_2024-x64

3

icudtl.dat

windows10-2004-x64

3

icudtl.dat

windows11-ltsc_2024-x64

3

locales/af.pak

windows10-2004-x64

3

locales/af.pak

windows11-ltsc_2024-x64

8

locales/am.pak

windows10-2004-x64

3

locales/am.pak

windows11-ltsc_2024-x64

8

locales/ar.pak

windows10-2004-x64

3

locales/ar.pak

windows11-ltsc_2024-x64

3

locales/bg.pak

windows10-2004-x64

3

locales/bg.pak

windows11-ltsc_2024-x64

3

locales/bn.pak

windows10-2004-x64

3

locales/bn.pak

windows11-ltsc_2024-x64

3

locales/ca.pak

windows10-2004-x64

3

locales/ca.pak

windows11-ltsc_2024-x64

3

locales/cs.pak

windows10-2004-x64

3

locales/cs.pak

windows11-ltsc_2024-x64

3

locales/da.pak

windows10-2004-x64

3

locales/da.pak

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 15:25

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General

  • Target
    locales/af.pak
  • Size 478KB
  • Sample260702-styfbsd14m
  • SHA256 e36a906908a92dad39ad8e5b344b38c538574e35c5386ac2b901640b202d3228
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
    1⤵
    • Modifies registry class
    PID:5904
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:556
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4228
    • 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:2684
  • 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:3316
  • 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:1916

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/1916-20-0x00000245001E0000-0x00000245002E0000-memory.dmp
        Download

        memory/1916-42-0x0000024515150000-0x0000024515170000-memory.dmp
        Download

        memory/1916-27-0x0000024503A10000-0x0000024503A30000-memory.dmp
        Download

        memory/1916-30-0x0000024503C70000-0x0000024503C90000-memory.dmp
        Download

        memory/1916-28-0x0000024503E80000-0x0000024503F80000-memory.dmp
        Download

        memory/1916-160-0x0000024535F80000-0x000002453671C000-memory.dmp
        Download