Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 19:57

General

  • Target
    2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe
  • Size 102KB
  • Sample261002-ypfydastdy
  • SHA256 0cb8490bb0242913f12d56c79d67668be2ad4750f1884c2c9ddb123d1fbd44a7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops file in Drivers directory 3 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5992
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4128
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3937.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5760
      • C:\Users\Admin\AppData\Local\Temp\2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2980
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5624
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5516
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5748
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3124
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5968
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        $$a3937.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a3937.bat
        • Size 722B
        • SHA256 8d45202dcf88f059bb11e18c2baa1a7d0c636980b1553a8b1d7c3b940091aec9
        • MD5 SHA1 SHA512 TLSH

        2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-01_0fc0e7220fcd15fb40c7924de468a439_amadey_elex_wannacry.exe.exe
        • Size 14KB
        • SHA256 2ffa1c010889dc2c03dfef2271343ac6032c3966530c383b92d3dfd99a3aadc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 88KB
        • SHA256 e90a0e87efe8bfa45b2d9647c0dcbfa23015577ea033a949ada114b6ea6fb862
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\_desktop.ini
        • Size 9B
        • SHA256 66c5371c302c0168792bdad2070b6db71275df5a2ac194c19d038c7fdde2b7d6
        • MD5 SHA1 SHA512

        memory/996-19-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4276-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5624-22-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5624-2611-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5624-7792-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5624-7924-0x0000000000400000-0x0000000000429000-memory.dmp