Analysis

  • max time kernel
    150s
  • max time network
    149s
  • 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, 05:43

General

  • Target
    2026-07-31_80a161c4e0e2c272bd35796d2bfce801_cryptolocker_elex.exe
  • Size 52KB
  • Sample260731-ge1flaverd
  • SHA256 00eef046db831e31cd940d9f94a5040fc9068194cbbe0bfce093737288f3e1e4
  • 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_80a161c4e0e2c272bd35796d2bfce801_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_80a161c4e0e2c272bd35796d2bfce801_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1248
    • 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:5988

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 52KB
        • SHA256 ab2453a57434f6e38aaa8e3e352c779aadce2f204c5105ee08001f1a61f63ad8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1248-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1248-1-0x0000000002100000-0x0000000002106000-memory.dmp

        memory/1248-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1248-3-0x0000000002130000-0x0000000002136000-memory.dmp

        memory/5988-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5988-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5988-20-0x0000000002290000-0x0000000002296000-memory.dmp