Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 23:56

General

  • Target
    2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe
  • Size 26KB
  • Sample260820-3y83qsgd79
  • SHA256 23fde94bc68a0bb276351985b536acb98aef152d391cd556364b0dce8b052e42
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 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\2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4324
    • 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:5960

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 26KB
        • SHA256 48971de7d5f9ca32a80f6bd3b2558338b64c0b0bedb09d66446bb0bdedfb7b77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4324-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4324-1-0x0000000002210000-0x0000000002216000-memory.dmp

        memory/4324-2-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/4324-3-0x0000000003810000-0x0000000003816000-memory.dmp

        memory/4324-18-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5960-20-0x0000000008000000-0x0000000008009000-memory.dmp

        memory/5960-21-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/5960-27-0x0000000008000000-0x0000000008009000-memory.dmp