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
    05/08/2026, 04:45

General

  • Target
    2026-08-05_688a5acce0fc126578713384e6529d91_cryptolocker_elex.exe
  • Size 41KB
  • Sample260805-fdj7jsap6v
  • SHA256 f74f87d550cf0d5c0d5483e9e63f27b2a6b916d285de8d596cdccc0df7ac30fb
  • 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\2026-08-05_688a5acce0fc126578713384e6529d91_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_688a5acce0fc126578713384e6529d91_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2000
    • 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:5444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 41KB
        • SHA256 0017d869f543d7421a1ec74734a9502509c8e213485442f23c032807d04c30a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2000-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2000-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/2000-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2000-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/5444-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5444-20-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/5444-26-0x0000000008000000-0x000000000800A000-memory.dmp