Overview

overview

8

Static

static

3

KMT Client v6.2.exe

windows10-2004-x64

7

KMT Client v6.2.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    132s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 16:28

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General

  • Target
    KMT Client v6.2.exe
  • Size 7.9MB
  • Sample260703-ty57eacy51
  • SHA256 608e942f136306534c03bc930528c31a07d6cc0b5fe5633356fdf6ac7701fa11
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 52 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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\KMT Client v6.2.exe
    "C:\Users\Admin\AppData\Local\Temp\KMT Client v6.2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5464
    • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\KMT Client v6.2.exe
      "C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\KMT Client v6.2.exe" -ORIGIN:"C:\Users\Admin\AppData\Local\Temp\"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\KMT Client v6.2.exe
        "C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\KMT Client v6.2.exe" "C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\CET_TRAINER.CETRAINER" "-ORIGIN:C:\Users\Admin\AppData\Local\Temp\"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:6048
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:124
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3036
  • 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:5456
  • 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:3304

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

        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

        CET_Archive.dat
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\CET_Archive.dat
        • Size 7.7MB
        • SHA256 03d868ef2e768173f56104ed802f325c0eb91a49e7a82942d081bfcb5819c654
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        KMT Client v6.2.exe
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\KMT Client v6.2.exe
        • Size 189KB
        • SHA256 dab3003436b6861ae220cc5fdcb97970fc05afdf114c2f91e46eed627ce3d6af
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CET_TRAINER.CETRAINER
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\CET_TRAINER.CETRAINER
        • Size 1.2MB
        • SHA256 e385967b7cbe172b10e875421953a44fc24d731c1a8b8cc3bf1a704730c9dbaa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        KMT Client v6.2.exe
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\KMT Client v6.2.exe
        • Size 14.8MB
        • SHA256 0e09345e2d2be7724a9f78244247a3cacb137eacb2bbf669c22a7443c992eef5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        luasymbols.lua
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\autorun\luasymbols.lua
        • Size 629B
        • SHA256 c5a35380af8bebe96b85377f5f41f8c068cb857c74b9cb85b7467b35c1de10c4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        monoscript.lua
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\autorun\monoscript.lua
        • Size 125KB
        • SHA256 46a3618d096ccaca664c0c91e19c7495f7128dc2537c484d95e13439e60c8e22
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        lfs.dll
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\clibs64\lfs.dll
        • Size 125KB
        • SHA256 4ee8d3375f2eeb8e5afb230d13c2cf9ee0379b0edfa76ad8dbf5ebc686a629c1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        defines.lua
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\defines.lua
        • Size 11KB
        • SHA256 30b816a90abbe520bcb6606d022f3c870a72ad05a94522ff64b8395bfc088e67
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        lua53-64.dll
        • Path C:\Users\Admin\AppData\Local\Temp\cetrainers\CETB021.tmp\extracted\lua53-64.dll
        • Size 528KB
        • SHA256 6d0a06b90213f082cb98950890518c0f08b9fc16dbfab34d400267cb6cdadeff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5456-74-0x0000015701C50000-0x0000015701C70000-memory.dmp
        Download

        memory/5456-97-0x0000015704370000-0x0000015704390000-memory.dmp
        Download

        memory/5456-63-0x0000015701A10000-0x0000015701A30000-memory.dmp
        Download

        memory/5456-65-0x0000015701E70000-0x0000015701F70000-memory.dmp
        Download

        memory/5456-52-0x00000157001E0000-0x00000157002E0000-memory.dmp
        Download

        memory/6048-34-0x000000000A570000-0x000000000A571000-memory.dmp
        Download

        memory/6048-29-0x000000000A570000-0x000000000A571000-memory.dmp
        Download

        memory/6048-30-0x000000000A570000-0x000000000A571000-memory.dmp
        Download

        memory/6048-32-0x000000000A570000-0x000000000A571000-memory.dmp
        Download