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
    14/08/2026, 00:06

General

  • Target
    2026-08-13_d893fa7c848cc28b20dcfc6663bad000_cryptolocker_elex.exe
  • Size 42KB
  • Sample260814-adsk2aeb33
  • SHA256 fb984109b7b5e4af2486e6a7dd1f49eff749fb2837104f3ad19d47b30a0d9f3e
  • 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\2026-08-13_d893fa7c848cc28b20dcfc6663bad000_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_d893fa7c848cc28b20dcfc6663bad000_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5836
    • 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:4088

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 43KB
        • SHA256 1203c054b434b7b46e9d971734ca8d731e4f6320659c44980fd404f85ec90b99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4088-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4088-20-0x00000000037F0000-0x00000000037F6000-memory.dmp

        memory/4088-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5836-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5836-1-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/5836-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5836-3-0x0000000002240000-0x0000000002246000-memory.dmp