Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 05:56

General

  • Target
    2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe
  • Size 37KB
  • Sample261102-gnhbdae19x
  • SHA256 ab4d605ac428d0052c9b07143cbd5cc3e8d744c1fd693aab42a0a16ddf56d50b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4112
    • 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:2404

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 37KB
        • SHA256 36c7be23f4152671108d05065f9e5f73a10bf09b83c6beb9f6a0e9646fe6a7c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2404-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

        memory/2404-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

        memory/4112-0-0x0000000000690000-0x0000000000696000-memory.dmp

        memory/4112-1-0x0000000000690000-0x0000000000696000-memory.dmp

        memory/4112-2-0x00000000006B0000-0x00000000006B6000-memory.dmp