Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 23:36

General

  • Target
    2026-08-24_d6dabe6f2a4b7f09bff219eb10932d47_cryptolocker_elex.exe
  • Size 48KB
  • Sample260824-3lrb6azzes
  • SHA256 0c19a5300f34de18edd2185d9381f8cd5a78527ebde5364505742379bba27c38
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    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\2026-08-24_d6dabe6f2a4b7f09bff219eb10932d47_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_d6dabe6f2a4b7f09bff219eb10932d47_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3780
    • 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:2780

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 48KB
        • SHA256 ac3af51aa22072af01459868f85264d8bd46a11b3358e2e75467067b19e7b5ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2780-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2780-20-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/2780-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3780-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3780-1-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/3780-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3780-3-0x00000000022C0000-0x00000000022C6000-memory.dmp