Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 19:57

General

  • Target
    2026-07-23_06501bcff145d82e4c72b3f5525a44df_cryptolocker_elex.exe
  • Size 77KB
  • Sample260723-ypfbvada23
  • SHA256 50cf2d5f440a56acad692a6294ca4615bc7ca02cb22e2b52e7b1f2703b02f93b
  • 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).

  • 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\2026-07-23_06501bcff145d82e4c72b3f5525a44df_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_06501bcff145d82e4c72b3f5525a44df_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4788
    • 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:4680

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 323941a0a2d5bb9470439ade2b52664b7a827da803e6a6fe5fbeae2445c3cf90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4680-18-0x0000000002120000-0x0000000002126000-memory.dmp

        memory/4680-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

        memory/4788-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

        memory/4788-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

        memory/4788-2-0x0000000002250000-0x0000000002256000-memory.dmp