Overview

overview

10

Static

static

10

2026-07-09...ex.exe

windows10-2004-x64

9

2026-07-09...ex.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    103s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 07:51

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General

  • Target
    2026-07-09_e158d37c82232397e2819ea5865a5dd5_cryptolocker_elex.exe
  • Size 89KB
  • Sample260709-jp6rgafs2x
  • SHA256 585d9871887eeb5f57f56a8fb4c604ba73f9e8dd052af5967399e7553c9418e2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwarediscoverypersistencespyware

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 IoCs
  • 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 1 IoCs
  • 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).

  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-09_e158d37c82232397e2819ea5865a5dd5_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_e158d37c82232397e2819ea5865a5dd5_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2836
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3432
    • 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:268
  • 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:4392
  • 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:3288

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

        demka.exe
        • Path C:\Users\Admin\AppData\Local\Temp\demka.exe
        • Size 89KB
        • SHA256 18da09f49e579d225199cb6d8fc82632aca50c04021a009de8b39048b3d9b87e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/268-226-0x0000000005B70000-0x0000000005D3A000-memory.dmp
        Download

        memory/424-0-0x0000000000404000-0x0000000000405000-memory.dmp
        Download

        memory/424-1-0x0000000002280000-0x0000000002286000-memory.dmp
        Download

        memory/424-2-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/424-3-0x0000000000400000-0x0000000000406000-memory.dmp
        Download

        memory/2836-29-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/2836-23-0x0000000000400000-0x0000000000406000-memory.dmp
        Download

        memory/2836-22-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/2836-20-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/4392-36-0x00000282801E0000-0x00000282802E0000-memory.dmp
        Download

        memory/4392-81-0x00000282940E0000-0x0000028294100000-memory.dmp
        Download

        memory/4392-64-0x0000028281CE0000-0x0000028281D00000-memory.dmp
        Download

        memory/4392-41-0x0000028281D20000-0x0000028281E20000-memory.dmp
        Download

        memory/4392-40-0x00000282818E0000-0x0000028281900000-memory.dmp
        Download