Overview

overview

8

Static

static

3

2026-08-07...ry.exe

windows10-2004-x64

8

2026-08-07...ry.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • 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
    07/08/2026, 03:54

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General

  • Target
    2026-08-07_52217637b4f04ddd0b98d98580b52fc5_elex_wannacry.exe
  • Size 661KB
  • Sample260807-egh8zsxarg
  • SHA256 ecda7411c70952babe582c2dcc3c9460edb929ceecdb4b22d11870dcc22c7eb1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_52217637b4f04ddd0b98d98580b52fc5_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_52217637b4f04ddd0b98d98580b52fc5_elex_wannacry.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Windows\SysWOW64\imageresn.exe
      C:\Windows\SysWOW64\imageresn.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\system32\ipconfig.exe" /flushdns
        3⤵
        • System Location Discovery: System Language Discovery
        • Gathers network information
        PID:4528
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins9359.bat "C:\Users\Admin\AppData\Local\Temp\2026-08-07_52217637b4f04ddd0b98d98580b52fc5_elex_wannacry.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1184

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        ~unins9359.bat
        • Path C:\Users\Admin\AppData\Local\Temp\~unins9359.bat
        • Size 49B
        • SHA256 97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32
        • MD5 SHA1 SHA512
        Submit Download

        imageresn.exe
        • Path C:\Windows\SysWOW64\imageresn.exe
        • Size 140KB
        • SHA256 99c99761b30a73b1b2dbfe608c747091a133fc5e4b1b576a6aec5939d9adb08a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3936-4-0x0000000000630000-0x0000000000631000-memory.dmp
        Download

        memory/3936-1-0x0000000002A90000-0x0000000002B28000-memory.dmp
        Download