Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 01:45

General

  • Target
    2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe
  • Size 39KB
  • Sample260807-b6fmlsel2v
  • SHA256 ad667ae0035a059a371842630bfe4cdf39369ee006e60450b1f3f21cc1cadd3d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 4 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\2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2912
    • 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:3280

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 39KB
        • SHA256 78fdcd2a378f21bc07c5a52940fa806dd15fe0a44de10489e44d68e3f33d122e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2912-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2912-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/2912-2-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/2912-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2912-4-0x0000000002260000-0x0000000002266000-memory.dmp

        memory/3280-20-0x0000000002090000-0x0000000002096000-memory.dmp

        memory/3280-26-0x0000000000500000-0x0000000000510000-memory.dmp