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
    107s
  • max time network
    151s
  • 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, 07:58

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-07-09_cf0fce90b658d16bf86428874f965d37_cryptolocker_elex.exe
  • Size 77KB
  • Sample260709-jttbyaft2x
  • SHA256 1124998677cbd2923e8c2f23eb174c6c2ec5a69da3a2304bca4d50443681a63c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwarediscoverypersistencespyware

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-09_cf0fce90b658d16bf86428874f965d37_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_cf0fce90b658d16bf86428874f965d37_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1072
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3272
    • 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:4580
  • 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:2948
  • 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:3256

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        misid.exe
        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 77KB
        • SHA256 a814af0a91cbfaccd7887bfc06a1038911394e7ca0c2c830ddff11c6e7d51bc2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1072-18-0x0000000002270000-0x0000000002276000-memory.dmp
        Download

        memory/1072-24-0x00000000007E0000-0x00000000007E6000-memory.dmp
        Download

        memory/2108-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
        Download

        memory/2108-2-0x00000000021E0000-0x00000000021E6000-memory.dmp
        Download

        memory/2108-0-0x00000000006B0000-0x00000000006B6000-memory.dmp
        Download

        memory/2948-28-0x000002A9801E0000-0x000002A9802E0000-memory.dmp
        Download

        memory/2948-42-0x000002A981E70000-0x000002A981F70000-memory.dmp
        Download

        memory/2948-27-0x000002A9801E0000-0x000002A9802E0000-memory.dmp
        Download

        memory/2948-41-0x000002A981A30000-0x000002A981A50000-memory.dmp
        Download

        memory/2948-26-0x000002A9801E0000-0x000002A9802E0000-memory.dmp
        Download

        memory/2948-58-0x000002A981C70000-0x000002A981C90000-memory.dmp
        Download

        memory/2948-72-0x000002A9942F0000-0x000002A994310000-memory.dmp
        Download

        memory/4580-200-0x000000000A3C0000-0x000000000A54E000-memory.dmp
        Download