Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 00:53

General

  • Target
    2026-06-29_fcfb888a43ad9fabe705d170cce4fd51_elex_wannacry.exe
  • Size 48KB
  • Sample260630-a855lsct2j
  • SHA256 69dc078fbd543e78dbdc4207adfbd2679eba5bab5a157effd9e35f686f3bb6b3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_fcfb888a43ad9fabe705d170cce4fd51_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_fcfb888a43ad9fabe705d170cce4fd51_elex_wannacry.exe"
    1⤵
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    PID:576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 576 -s 488
      2⤵
      • Program crash
      PID:6804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 576 -ip 576
    1⤵
      PID:5764

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/576-0-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/576-1-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-2-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-7-0x0000000000B70000-0x0000000000B71000-memory.dmp

          memory/576-5-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-3-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-8-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-17-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-22-0x0000000000B50000-0x0000000000B65000-memory.dmp

          memory/576-26-0x0000000000400000-0x000000000040C000-memory.dmp