Overview

overview

10

Static

static

10

2026-07-08...ex.exe

windows10-2004-x64

9

2026-07-08...ex.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    104s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 08:33

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General

  • Target
    2026-07-08_516ffe0a8ae3b0d704d245c1cc1d2691_cryptolocker_elex.exe
  • Size 88KB
  • Sample260708-kf4q7aev3k
  • SHA256 bd3c77807fca5f15764f38eb1123bf81c99506ffebe7aa1443f31dec6b34bce8
  • 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 28 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\2026-07-08_516ffe0a8ae3b0d704d245c1cc1d2691_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_516ffe0a8ae3b0d704d245c1cc1d2691_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3520
    • 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:2076
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3348
    • 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:3164
  • 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:2612
  • 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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        demka.exe
        • Path C:\Users\Admin\AppData\Local\Temp\demka.exe
        • Size 89KB
        • SHA256 771ef6ba01bb4f6cd8dba5381d60247fcc414a3c1c3a8e5b235e8f6ca250253a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2076-29-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/2076-22-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/2076-23-0x0000000000400000-0x0000000000406000-memory.dmp
        Download

        memory/2076-20-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/2612-36-0x0000027100000000-0x0000027100100000-memory.dmp
        Download

        memory/2612-35-0x0000027100000000-0x0000027100100000-memory.dmp
        Download

        memory/2612-79-0x0000027102B40000-0x0000027102B60000-memory.dmp
        Download

        memory/2612-67-0x00000271029E0000-0x0000027102A00000-memory.dmp
        Download

        memory/2612-68-0x0000027102BC0000-0x0000027102CC0000-memory.dmp
        Download

        memory/2612-100-0x0000027102FE0000-0x0000027103000000-memory.dmp
        Download

        memory/3196-217-0x000002172A500000-0x000002172AB91000-memory.dmp
        Download

        memory/3196-230-0x000002172A500000-0x000002172AB91000-memory.dmp
        Download

        memory/3520-2-0x0000000000400000-0x0000000000410000-memory.dmp
        Download

        memory/3520-0-0x0000000000404000-0x0000000000405000-memory.dmp
        Download

        memory/3520-3-0x0000000000400000-0x0000000000406000-memory.dmp
        Download

        memory/3520-1-0x0000000002280000-0x0000000002286000-memory.dmp
        Download