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
    15/07/2026, 12:17

General

  • Target
    2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe
  • Size 43KB
  • Sample260715-pgc23sb19l
  • SHA256 2f1068556e48785e0972b2a8c6b0545c42946f89cbe4ece5347a2feb56f313f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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\2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3124
    • 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:5780

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 43KB
        • SHA256 f1ed79b7c5b5712d489e974e9a5a0d7231e0a155a72d3f6910ccd8e3988ef98c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3124-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/3124-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/3124-2-0x00000000020B0000-0x00000000020B6000-memory.dmp

        memory/3124-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/3124-4-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/5780-19-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5780-23-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/5780-21-0x0000000000700000-0x0000000000706000-memory.dmp