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
    18/07/2026, 08:39

General

  • Target
    2026-07-18_1dad3f7ce3d896807c46cac76b709a75_cryptolocker_elex.exe
  • Size 47KB
  • Sample260718-kkmcpsd18p
  • SHA256 683e7348426a7e4c09dd427f31d496f49dbeca65f86ec8ce50ebf7cfee37ec0c
  • 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\2026-07-18_1dad3f7ce3d896807c46cac76b709a75_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-18_1dad3f7ce3d896807c46cac76b709a75_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3036
    • 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:4908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 47KB
        • SHA256 06ebc75961f1d477db827e2b7b3e1f923b1e554292f9a2627960568077831a1b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3036-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3036-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/3036-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3036-3-0x0000000003950000-0x0000000003956000-memory.dmp

        memory/4908-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4908-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4908-21-0x00000000022A0000-0x00000000022A6000-memory.dmp