Analysis

  • max time kernel
    149s
  • 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
    02/08/2026, 14:57

General

  • Target
    2026-08-02_04612d35fb5e2919a1efeed452d08712_cryptolocker_elex.exe
  • Size 34KB
  • Sample260802-sbw5jsbf82
  • SHA256 26d13400c57588359215f271b1eb9b814f274cc49b1a7e32c42f6df882a25f90
  • 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_04612d35fb5e2919a1efeed452d08712_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_04612d35fb5e2919a1efeed452d08712_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4304
    • 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:5052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hurok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
        • Size 34KB
        • SHA256 f3fe3d216fbd27043e135eb256a0cb4c6be7e1887e32a1fe76b665a44c3f1407
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4304-0-0x0000000000590000-0x0000000000596000-memory.dmp

        memory/4304-1-0x0000000000590000-0x0000000000596000-memory.dmp

        memory/4304-2-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/5052-25-0x00000000021C0000-0x00000000021C6000-memory.dmp