Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 19:57

General

  • Target
    2026-07-28_d138317e17f66a02ed32d0ff0296de1d_elex_wannacry.exe
  • Size 7.6MB
  • Sample260728-ypbcwsgl6v
  • SHA256 e8863869eeea24b72f308bdf93b752a9d61dc49bcec2dc60995c91221e6a131b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_d138317e17f66a02ed32d0ff0296de1d_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_d138317e17f66a02ed32d0ff0296de1d_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:5700
  • C:\Windows\servbrow.exe
    "C:\Windows\servbrow.exe" /Service
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Windows\servbrow.exe
      "C:\Windows\servbrow.exe" /Popup
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2516

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        servbrow.exe

        • Path C:\Windows\servbrow.exe
        • Size 7.6MB
        • SHA256 823eca8af565229760276a2efab4981222532fdfa949245dd3e4de5bb71ca33e
        • MD5 SHA1 SHA512 SSDEEP TLSH