Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 07:51

General

  • Target
    2026-07-23_55371cd1611222fb4e6bcae10ac1953e_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260723-jp94wsac55
  • SHA256 3102639b577f0be3730d32b295b65c9ca4a8063ca760c7f59706cf356b655f50
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2026-07-23_55371cd1611222fb4e6bcae10ac1953e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_55371cd1611222fb4e6bcae10ac1953e_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1732

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 1.0MB
        • SHA256 63f8ec43f0f844804d790cfdd0c92e0107f2e47179a6876c17e6b486e097a2b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1732-18-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/1732-20-0x0000000002120000-0x0000000002126000-memory.dmp

        memory/1732-26-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3516-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3516-1-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/3516-2-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/3516-3-0x00000000022C0000-0x00000000022C6000-memory.dmp