Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 00:06

General

  • Target
    2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe
  • Size 48KB
  • Sample260813-adqrfavzev
  • SHA256 1965848f415199c8aea8ce59f702d03705a3c15d8fb601824d719905d2dfd46b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 6 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

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

  • UPX packed file 6 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\2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe"
    1⤵
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    PID:2820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 484
      2⤵
      • Program crash
      PID:3328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2820 -ip 2820
    1⤵
      PID:1848

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2820-0-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/2820-2-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

          memory/2820-1-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

          memory/2820-11-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

          memory/2820-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

          memory/2820-5-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

          memory/2820-3-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

          memory/2820-26-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/2820-27-0x0000000000BE0000-0x0000000000BF5000-memory.dmp