Overview

overview

8

Static

static

3

WinDivert.dll

windows10-2004-x64

1

WinDivert.dll

windows11-ltsc_2024-x64

8

WinDivert64.sys

windows10-2004-x64

1

clumsy.exe

windows10-2004-x64

1

clumsy.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    32s
  • max time network
    33s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 03:58

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General

  • Target
    clumsy.exe
  • Size 1.0MB
  • Sample260707-ejznraev7m
  • SHA256 20319ee11d9f9c71e4b887c6d221114d9892a76e44ecc5ae6f42ff4adf770b70
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistencespyware

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 42 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\clumsy.exe
    "C:\Users\Admin\AppData\Local\Temp\clumsy.exe"
    1⤵
      PID:2652
    • C:\Users\Admin\AppData\Local\Temp\WinDivert64.sys
      C:\Users\Admin\AppData\Local\Temp\WinDivert64.sys
      1⤵
        PID:4508
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2260
        • 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
          PID:5840
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:5588
      • 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:2364

      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/2652-0-0x0000000062800000-0x0000000062813000-memory.dmp
            Download

            memory/5588-67-0x000001BE141D0000-0x000001BE141F0000-memory.dmp
            Download

            memory/5588-37-0x000001BE03C90000-0x000001BE03CB0000-memory.dmp
            Download

            memory/5588-32-0x000001BE13E90000-0x000001BE13F90000-memory.dmp
            Download

            memory/5588-31-0x000001BE03A30000-0x000001BE03A50000-memory.dmp
            Download

            memory/5588-23-0x000001BE001E0000-0x000001BE002E0000-memory.dmp
            Download

            memory/5588-21-0x000001BE001E0000-0x000001BE002E0000-memory.dmp
            Download

            memory/5840-178-0x000000000E4D0000-0x000000000E563000-memory.dmp
            Download