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
    20/08/2026, 00:09

General

  • Target
    2026-08-19_89d99defc8788eb77fb7ef95b870a9f7_cryptolocker_elex.exe
  • Size 36KB
  • Sample260820-afe3qaad47
  • SHA256 dd7745ffc64e96aae340bbd0ee2357bb6ed75ec7d45b6bb0b4c9619251f8ce6c
  • 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\2026-08-19_89d99defc8788eb77fb7ef95b870a9f7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_89d99defc8788eb77fb7ef95b870a9f7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5536
    • 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:1052

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 36KB
        • SHA256 03bfb880b81c6943b2a0434d57fdc561c170b3f990eb199d7cab3881b5c598ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1052-19-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1052-21-0x0000000002190000-0x0000000002196000-memory.dmp

        memory/1052-27-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5536-0-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5536-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5536-2-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/5536-4-0x00000000022C0000-0x00000000022C6000-memory.dmp

        memory/5536-3-0x0000000008000000-0x000000000800A000-memory.dmp