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
    18/08/2026, 12:43

General

  • Target
    2026-08-18_e499b072315e7052b91e6d374e9861e1_cryptolocker_elex.exe
  • Size 64KB
  • Sample260818-pyex1abl4w
  • SHA256 467c0c430ee22f08d0cf805b177fd20ea90daeaf36d93c7cddcc90b3811fe57f
  • 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\2026-08-18_e499b072315e7052b91e6d374e9861e1_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-18_e499b072315e7052b91e6d374e9861e1_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2728
    • 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:124

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 64KB
        • SHA256 df5ea0919bbb431463270075cffa4b73a96e58be41df62b0e6251fcc4accfe8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/124-18-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/124-20-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/124-21-0x00000000021C0000-0x00000000021C6000-memory.dmp

        memory/2728-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2728-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

        memory/2728-2-0x0000000008000000-0x000000000800E000-memory.dmp

        memory/2728-3-0x00000000022F0000-0x00000000022F6000-memory.dmp