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
    21/08/2026, 03:48

General

  • Target
    2026-08-21_e464397aff66158a7a606e398fbd90dd_cryptolocker_elex.exe
  • Size 41KB
  • Sample260821-eda37she32
  • SHA256 f742f4dcb63e7ab1f4d739185ff284deffd2fdc3d7f81f775828db8259c61e41
  • 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\2026-08-21_e464397aff66158a7a606e398fbd90dd_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_e464397aff66158a7a606e398fbd90dd_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        lossy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
        • Size 41KB
        • SHA256 ba8e0509e979ba928ef83339403f2bfa8819303cc0f0ce3bf54aea08ce1e98bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1812-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1812-1-0x0000000002230000-0x0000000002236000-memory.dmp

        memory/1812-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/1812-3-0x0000000002250000-0x0000000002256000-memory.dmp

        memory/3192-18-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/3192-21-0x00000000021E0000-0x00000000021E6000-memory.dmp

        memory/3192-20-0x0000000008000000-0x0000000008009000-memory.dmp