Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 12:17

General

  • Target
    2026-08-10_3b7fac621eb43016260533d592e3bda9_cryptolocker_elex.exe
  • Size 45KB
  • Sample260810-pf91estsfs
  • SHA256 145e4188807bdfb0822b002868e17050234695243b11f93feb1676235daa6305
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 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).

  • 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\2026-08-10_3b7fac621eb43016260533d592e3bda9_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_3b7fac621eb43016260533d592e3bda9_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        demka.exe

        • Path C:\Users\Admin\AppData\Local\Temp\demka.exe
        • Size 45KB
        • SHA256 8b7cc9aa242ceb78f3143ea90420c16c617231adf16b61f6e0c5991be5176c68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4544-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/4544-1-0x0000000002210000-0x0000000002216000-memory.dmp

        memory/4544-2-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/4544-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/4960-19-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/4960-21-0x0000000000400000-0x0000000000408000-memory.dmp