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
    08/09/2026, 00:52

General

  • Target
    2026-09-07_f7d9d8af89562b09baaa5223871dc9c8_cryptolocker_elex.exe
  • Size 46KB
  • Sample260908-a8c4tscc49
  • SHA256 8a6c90e7abb63862f6cb43b155ce6e4bba2418c186437b99fa293c53ec76780d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2026-09-07_f7d9d8af89562b09baaa5223871dc9c8_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-07_f7d9d8af89562b09baaa5223871dc9c8_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4516
    • 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:5456

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 47KB
        • SHA256 dc02cb720069ed6d25fe40e43e32d4160f7a9448d00148901b86db5a6b9e6291
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4516-0-0x0000000008000000-0x000000000800D000-memory.dmp

        memory/4516-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4516-2-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/4516-3-0x0000000008000000-0x000000000800D000-memory.dmp

        memory/4516-4-0x00000000022C0000-0x00000000022C6000-memory.dmp

        memory/5456-19-0x0000000008000000-0x000000000800D000-memory.dmp

        memory/5456-27-0x0000000008000000-0x000000000800D000-memory.dmp