Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 13:02

General

  • Target
    WannaCry.exe
  • Size 224KB
  • Sample260805-p95b2ayalf
  • SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

  • wannacry

Ransom Note
  • Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
  • 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Signatures

  • Family: Wannacry

    WannaCry is a ransomware cryptoworm.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • 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 4 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 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"
    1⤵
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 74301785934986.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:4768
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3100
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im MSExchange*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3400
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Microsoft.Exchange.*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlserver.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:5816
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlwriter.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe c
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4504
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe v
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:612
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1652
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:792
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3436
  • C:\Users\Admin\AppData\Local\Temp\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\WannaCry.exe" /r
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3272
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4396

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        !Please Read Me!.txt

        • Path C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
        • Size 797B
        • SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
        • MD5 SHA1 SHA512 TLSH

        !WannaDecryptor!.exe.lnk

        • Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
        • Size 1KB
        • SHA256 829a6309d57d2dd60934bcc16a5be7c670247c7aed916d1a9f20b381344d1523
        • MD5 SHA1 SHA512 TLSH

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 7d7d2cc2577e457000ef98ea228cdee7c9bc063bb3df1601c4778fecde807e4c
        • MD5 SHA1 SHA512

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 72aa0334f40f4588e6e42891cb240d406278ea1d84400036a8d02985dc036478
        • MD5 SHA1 SHA512

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 911eebb98adc9eb134461e83b429a2fc9e5a3d2ae0bd4c1a9ede1eda1b3652b0
        • MD5 SHA1 SHA512

        74301785934986.bat

        • Path C:\Users\Admin\AppData\Local\Temp\74301785934986.bat
        • Size 336B
        • SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
        • MD5 SHA1 SHA512 TLSH

        c.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\c.vbs
        • Size 219B
        • SHA256 0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
        • MD5 SHA1 SHA512 TLSH

        c.wry

        • Path C:\Users\Admin\AppData\Local\Temp\c.wry
        • Size 628B
        • SHA256 64d8a7435fecae73e9038a006b434ccf85144cce911d4090b1938026a36afc3a
        • MD5 SHA1 SHA512 TLSH

        c.wry

        • Path C:\Users\Admin\AppData\Local\Temp\c.wry
        • Size 628B
        • SHA256 bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538
        • MD5 SHA1 SHA512 TLSH

        m.wry

        • Path C:\Users\Admin\AppData\Local\Temp\m.wry
        • Size 42KB
        • SHA256 402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        r.wry

        • Path C:\Users\Admin\AppData\Local\Temp\r.wry
        • Size 729B
        • SHA256 c9e9dc06f500ae39bfeb4671233cc97bb6dab58d97bb94aba4a2e0e509418d35
        • MD5 SHA1 SHA512 TLSH

        t.wry

        • Path C:\Users\Admin\AppData\Local\Temp\t.wry
        • Size 68KB
        • SHA256 a7dd727b4e0707026186fcab24ff922da50368e1a4825350bd9c4828c739a825
        • MD5 SHA1 SHA512 SSDEEP TLSH

        u.wry

        • Path C:\Users\Admin\AppData\Local\Temp\u.wry
        • Size 236KB
        • SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4060-6-0x0000000010000000-0x0000000010012000-memory.dmp