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, 13:22

General

  • Target
    2026-08-23_3f496a4df2b6bd98c736946923eb22d5_cryptolocker_elex.exe
  • Size 48KB
  • Sample260824-qmpthaycmc
  • SHA256 42ee3f0f9843274c737940fdb8998830912182b408a6ed01523b395dfe356317
  • 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_3f496a4df2b6bd98c736946923eb22d5_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_3f496a4df2b6bd98c736946923eb22d5_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3308
    • 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:4932

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 896d2c2093e15b9c3bfa62515ff0c3b98d5a6bf4e1eb7e909c8a94ad9c863ea3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3308-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3308-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/3308-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3308-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/4932-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4932-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4932-22-0x00000000022A0000-0x00000000022A6000-memory.dmp