Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/05/2026, 03:45

General

  • Target
    2026-05-16_13eb5774bb1957b321446fecd6503f6a_cryptolocker_elex.exe
  • Size 43KB
  • Sample260516-ea8v3ady3k
  • SHA256 71077c4326ac5c845efd070fc00e2fefb6c99e590a83562210f8794634ba5eb9
  • 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\2026-05-16_13eb5774bb1957b321446fecd6503f6a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-16_13eb5774bb1957b321446fecd6503f6a_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2240
    • 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:4320

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 43KB
        • SHA256 20dc9ba085539ec1fe39fbc8070d5dd8f4e416a1aeb485a8396642d3a171ef1b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2240-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/2240-1-0x0000000002210000-0x0000000002216000-memory.dmp

        memory/2240-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2240-3-0x0000000003110000-0x0000000003116000-memory.dmp

        memory/4320-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4320-19-0x0000000008000000-0x000000000800A000-memory.dmp