Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 19:08

General

  • Target
    2026-08-20_4807137092843cd04a4753249128b1e5_cryptolocker_elex.exe
  • Size 45KB
  • Sample260820-xtck3sfd36
  • SHA256 39074946be8791bf0a6d73c2f05d692a7a689c86273cbe74339872374d95ddee
  • 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\2026-08-20_4807137092843cd04a4753249128b1e5_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_4807137092843cd04a4753249128b1e5_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4148
    • 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:248

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 45KB
        • SHA256 2b075384cf691cf03ada70932311f19821ee9f71daa56c0f1fbe8df54c8ee8c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/248-18-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/248-20-0x0000000002220000-0x0000000002226000-memory.dmp

        memory/248-26-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4148-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4148-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/4148-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4148-3-0x00000000022B0000-0x00000000022B6000-memory.dmp