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
    07/08/2026, 01:48

General

  • Target
    2026-08-07_8e1a897aeba40a700a824ba8c134409e_cryptolocker_elex.exe
  • Size 41KB
  • Sample260807-b8cczade23
  • SHA256 dc59469158bfdb3485d477048a80b59527bd0d7b321994826e26b1510820f851
  • 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\2026-08-07_8e1a897aeba40a700a824ba8c134409e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_8e1a897aeba40a700a824ba8c134409e_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3728
    • 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:6004
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5532

    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 41KB
          • SHA256 49109b8233ca499acc6fd37af1bfe348469ca3ac11cd1646421148776d8dd14a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3728-0-0x0000000008004000-0x0000000008005000-memory.dmp

          memory/3728-1-0x0000000002270000-0x0000000002276000-memory.dmp

          memory/3728-2-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/3728-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

          memory/6004-18-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/6004-20-0x0000000008000000-0x000000000800A000-memory.dmp

          memory/6004-21-0x00000000022A0000-0x00000000022A6000-memory.dmp