Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 22:22

General

  • Target
    2026-08-23_c247e8ec28090513d8cb219fe20d31b3_cryptolocker_elex.exe
  • Size 47KB
  • Sample260823-2alf4awsax
  • SHA256 db0f1ba905552726c9269c6ceb521c8ef5936934835bfdbb02d8584a93f6543e
  • 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\2026-08-23_c247e8ec28090513d8cb219fe20d31b3_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_c247e8ec28090513d8cb219fe20d31b3_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4260
    • 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:3936

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 48KB
        • SHA256 99db70aa685e1c9363c88c86fa8ab822c717a245d2432a0b8a9a55bc0e5d4922
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3936-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3936-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3936-21-0x0000000002190000-0x0000000002196000-memory.dmp

        memory/4260-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4260-1-0x0000000003920000-0x0000000003926000-memory.dmp

        memory/4260-3-0x0000000003950000-0x0000000003956000-memory.dmp

        memory/4260-2-0x0000000008000000-0x000000000800A000-memory.dmp