Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 19:41

General

  • Target
    2026-08-04_7690f094da9a5b0d9f723cd01674ac7b_cryptolocker_elex.exe
  • Size 41KB
  • Sample260804-yeebsswycw
  • SHA256 47433be0c55c399a45c23d89fed9a8305627527bbf113a5acde07dcd56769c3a
  • 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\2026-08-04_7690f094da9a5b0d9f723cd01674ac7b_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_7690f094da9a5b0d9f723cd01674ac7b_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1408
    • 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:2676

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 41KB
        • SHA256 c43b19e39deb3ed258b6afcb74b02db8826b3d5311a3cb9ff9256a8a7288fec6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1408-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1408-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/1408-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/1408-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2676-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2676-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2676-21-0x0000000002290000-0x0000000002296000-memory.dmp