Overview

overview

10

Static

static

10

2026-07-02...ex.exe

windows10-2004-x64

9

2026-07-02...ex.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    138s
  • 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, 13:29

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General

  • Target
    2026-07-02_2e499938fb97cadcdf68ac38f22d077b_cryptolocker_elex.exe
  • Size 53KB
  • Sample260702-qrf26afs5v
  • SHA256 01262ffa4e1ddb6825185261fd8d552914374abf19cc482af1cefb3f9a059940
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwaredefense_evasiondiscoverypersistenceransomwarespywaretrojan

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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
  • Modifies system certificate store 2 TTPs 2 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2026-07-02_2e499938fb97cadcdf68ac38f22d077b_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_2e499938fb97cadcdf68ac38f22d077b_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6064
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:720
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4808
    • 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:448
  • 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:5536
  • 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:3196

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

        asih.exe
        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 53KB
        • SHA256 74ea77f8f76cad4dfe0f6cfe6fa847dbc1ba77ce69a70b774629d47c599560b0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/720-19-0x0000000002270000-0x0000000002276000-memory.dmp
        Download

        memory/720-18-0x0000000002140000-0x0000000002146000-memory.dmp
        Download

        memory/3196-213-0x0000025300040000-0x00000253002FC000-memory.dmp
        Download

        memory/5536-72-0x00000179801E0000-0x00000179802E0000-memory.dmp
        Download

        memory/5536-91-0x00000179941C0000-0x00000179941E0000-memory.dmp
        Download

        memory/5536-85-0x0000017983E10000-0x0000017983E30000-memory.dmp
        Download

        memory/5536-80-0x0000017983A30000-0x0000017983A50000-memory.dmp
        Download

        memory/5536-81-0x0000017993E70000-0x0000017993F70000-memory.dmp
        Download

        memory/6064-2-0x00000000021E0000-0x00000000021E6000-memory.dmp
        Download

        memory/6064-0-0x00000000021C0000-0x00000000021C6000-memory.dmp
        Download

        memory/6064-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
        Download