Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 11:05

General

  • Target
    2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe
  • Size 90KB
  • Sample260809-m6ynzawfre
  • SHA256 54b134fe4b814d32a3058cc1bfbd13a880ab257066be99cc5819e28efd81e7e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1196
    • 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:1392

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        demka.exe

        • Path C:\Users\Admin\AppData\Local\Temp\demka.exe
        • Size 90KB
        • SHA256 a71ec877efb9ee6c7553777cfdfad161c0c3443104bb73d47f7bcb43fea32d12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1196-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/1196-1-0x0000000000760000-0x0000000000766000-memory.dmp

        memory/1196-2-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1196-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/1392-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1392-22-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/1392-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1392-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1392-31-0x0000000000400000-0x0000000000410000-memory.dmp