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
    05/09/2026, 10:10

General

  • Target
    2026-09-04_584d43a90288a273305d381aaaf377b3_cryptolocker_elex.exe
  • Size 34KB
  • Sample260905-l7pl1sam8v
  • SHA256 dbca41cd972b58f5dff8e2cd24a01ee026e9fda8903e560ea88eaff94cffbf67
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2026-09-04_584d43a90288a273305d381aaaf377b3_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_584d43a90288a273305d381aaaf377b3_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3268
    • 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:5692

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 35KB
        • SHA256 ffbac70a5caff4287c830d2a1fd1e44b9bd9a2cd0820800527f2a4529b965377
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3268-0-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3268-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3268-2-0x00000000037E0000-0x00000000037E6000-memory.dmp

        memory/3268-3-0x0000000003810000-0x0000000003816000-memory.dmp

        memory/3268-9-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5692-19-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5692-21-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5692-22-0x00000000021A0000-0x00000000021A6000-memory.dmp