Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 19:53

General

  • Target
    2026-09-22_6cd647feca736637206819315a599ca3_elex_wannacry.exe
  • Size 228KB
  • Sample260922-yl3b7sec46
  • SHA256 4b12488f74c6d29ad6d0b57fd273f9ed5d49699f2a05eec9406a677246f8756d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-22_6cd647feca736637206819315a599ca3_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-22_6cd647feca736637206819315a599ca3_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\Erexua.exe
      C:\Windows\Erexua.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:2304
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k WebThreatDefense -p -s webthreatdefsvc
    1⤵
    • Checks processor information in registry
    PID:63424

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        Erexua.exe

        • Path C:\Windows\Erexua.exe
        • Size 228KB
        • SHA256 4b12488f74c6d29ad6d0b57fd273f9ed5d49699f2a05eec9406a677246f8756d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

        • Path C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job
        • Size 412B
        • SHA256 fab3fd240b67f2192d78722f966a28bf1f0ac23839acacd1ebfe36b8875ffee1
        • MD5 SHA1 SHA512 TLSH