Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 01:28

General

  • Target
    2026-08-19_be8417cdcec821f0365dfefb2b8a4e76_elex_wannacry.exe
  • Size 48KB
  • Sample260820-bvt1vsxfla
  • SHA256 cc27be984d7d0d86300a0527d12245430a26c0c14c08f10ab557d9cae6ee6d67
  • 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\2026-08-19_be8417cdcec821f0365dfefb2b8a4e76_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_be8417cdcec821f0365dfefb2b8a4e76_elex_wannacry.exe"
    1⤵
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    PID:3304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 488
      2⤵
      • Program crash
      PID:5352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3304 -ip 3304
    1⤵
      PID:2624

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3304-0-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/3304-2-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-1-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-3-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-7-0x0000000000B00000-0x0000000000B01000-memory.dmp

          memory/3304-8-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-5-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-22-0x0000000000A90000-0x0000000000AA5000-memory.dmp

          memory/3304-26-0x0000000000400000-0x000000000040C000-memory.dmp