Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 14:06

General

  • Target
    2026-08-02_8905c91bf37530bdda228cbb2c8ab0d9_cryptolocker_elex.exe
  • Size 33KB
  • Sample260802-reda6sbb32
  • SHA256 04d4d915decd68c02057b79d7851baacf69b86adf06cad33ddddef0e56daf104
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2026-08-02_8905c91bf37530bdda228cbb2c8ab0d9_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_8905c91bf37530bdda228cbb2c8ab0d9_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3036

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hurok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
        • Size 34KB
        • SHA256 7e414c59321bd82be8b06f8c27048c50fd89087fab44e1e226b93c044d5b85ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4400-0-0x0000000000590000-0x0000000000596000-memory.dmp

        memory/4400-1-0x0000000000590000-0x0000000000596000-memory.dmp

        memory/4400-2-0x0000000000400000-0x0000000000406000-memory.dmp