Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/11/2026, 22:45

General

  • Target
    2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe
  • Size 77KB
  • Sample261104-2pwwdady91
  • SHA256 0523b7ba94afa96f57fbb6a8a38f3cc96296ef9cf84388ab52475a21b73b4818
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3320

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 77KB
        • SHA256 93e3315a74e097bf069dea590063bf827ee2dc0cd19b6c0cdbd6c7a452e0b854
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3308-0-0x00000000021B0000-0x00000000021B6000-memory.dmp

        memory/3308-1-0x00000000021B0000-0x00000000021B6000-memory.dmp

        memory/3308-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

        memory/3320-18-0x0000000002120000-0x0000000002126000-memory.dmp

        memory/3320-24-0x0000000002100000-0x0000000002106000-memory.dmp