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
    19/08/2026, 23:22

General

  • Target
    2026-08-19_0a506ea2de86de894d9ac2bec5421760_cryptolocker_elex.exe
  • Size 41KB
  • Sample260819-3c3c3aab97
  • SHA256 3b17f94adcc9770d1a90aa38ea4c1dfc2dd67129c00c88121e1a1d7e801dcd69
  • 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\2026-08-19_0a506ea2de86de894d9ac2bec5421760_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_0a506ea2de86de894d9ac2bec5421760_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3632
    • 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

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 42KB
        • SHA256 a35c68da2db88739242638b8b828a00a9ef048e1942c46f49066f00dab6d581c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3632-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3632-1-0x00000000037E0000-0x00000000037E6000-memory.dmp

        memory/3632-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3632-3-0x0000000003810000-0x0000000003816000-memory.dmp

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

        memory/3936-20-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/3936-26-0x0000000008000000-0x000000000800A000-memory.dmp