Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/07/2026, 06:55

General

  • Target
    2026-07-23_786030f203fb322dbaf23d67915a05fe_cryptolocker_elex.exe
  • Size 52KB
  • Sample260723-hp2bbaxzhy
  • SHA256 eea64afbb457a4dc80d5501a66542014bc449461b4b9540bd18e40d93e647891
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 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\2026-07-23_786030f203fb322dbaf23d67915a05fe_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_786030f203fb322dbaf23d67915a05fe_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4632
    • 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:5008

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 52KB
        • SHA256 71f615946615a7077213ac3fd5983884ddbf22be3445c2cfcac7db1b3a496de3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4632-0-0x0000000000404000-0x0000000000405000-memory.dmp

        memory/4632-1-0x0000000002160000-0x0000000002166000-memory.dmp

        memory/4632-2-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/4632-3-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/5008-18-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/5008-27-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/5008-29-0x0000000000400000-0x000000000040A000-memory.dmp