Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 15:01

General

  • Target
    2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe
  • Size 52KB
  • Sample260731-sd8lcsam5w
  • SHA256 195e5f208d8a4697037f14c283f216faa4009156b523f5bba5bd9bde70eb87f9
  • 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\2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • 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:2380

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 52KB
        • SHA256 995b84e4496ba964005459b6c128039472bd62e23c137ebe40a17c2c946a53ca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2380-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2380-20-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/2380-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3208-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3208-1-0x0000000000680000-0x0000000000686000-memory.dmp

        memory/3208-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3208-3-0x00000000022B0000-0x00000000022B6000-memory.dmp