Resubmissions

02/07/2026, 09:17

260702-k9drvsfs5z10

03/04/2026, 11:18

260403-nehzwah14y10

23/10/2025, 19:02

251023-xpzj2sslfm10

18/10/2025, 19:14

251018-xx6ckaal5x

18/10/2025, 19:10

251018-xvcmgatpcp10

Analysis

  • max time kernel
    298s
  • max time network
    284s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/10/2025, 19:02

General

  • Target
    WannaCry.exe
  • Size 224KB
  • Sample251023-xpzj2sslfm
  • SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
  • MD5 SHA1 SHA512 SSDEEP

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

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 2 IoCs
  • 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
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 39 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⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 120911761246156.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2312
    • 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:4816
    • 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:3524
    • 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:3148
    • 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:2840
    • 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:340
    • 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:1328
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3824
      • 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:4308
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5060
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:5448
    • 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:5468
  • 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:4924
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1676

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        !Please Read Me!.txt

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

        !WannaDecryptor!.exe.lnk

        • Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
        • Size 1KB
        • SHA256 015b58879f3ca83c64200d51890b38f18baa3d86f805b6e721cd7b5ec976e1a0
        • MD5 SHA1 SHA512

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 5a8f6b900a0e659a86e3b98e383e9f503629d3d18e425341146444ee667026d3
        • MD5 SHA1 SHA512

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 1d4e17e3a78ef5d355299a4fcee3daf694b81e4ef59bb389fa74cbc5badf0d99
        • MD5 SHA1 SHA512

        00000000.res

        • Path C:\Users\Admin\AppData\Local\Temp\00000000.res
        • Size 136B
        • SHA256 45ce834557987181111f60496a2567e428f3722073cefe51a9f5cb00eb5dff17
        • MD5 SHA1 SHA512

        120911761246156.bat

        • Path C:\Users\Admin\AppData\Local\Temp\120911761246156.bat
        • Size 336B
        • SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
        • MD5 SHA1 SHA512

        c.vbs

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

        c.wry

        • Path C:\Users\Admin\AppData\Local\Temp\c.wry
        • Size 628B
        • SHA256 6c7093a2f98de39d75091b8f095fbc7eadd56aa62d94adda3a9029325f772526
        • MD5 SHA1 SHA512

        c.wry

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

        m.wry

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

        r.wry

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

        t.wry

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

        u.wry

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

        memory/1308-6-0x0000000010000000-0x0000000010012000-memory.dmp