Overview

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10

task1

 

10

task2

 

10

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13-04-2021 15:20

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07-04-2021 20:23

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30-03-2021 12:44

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15-03-2021 03:56

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03-03-2021 02:26

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Analysis

  • max time kernel
    148s
  • resource
    win10v191014
  • submitted
    15-01-2020 15:26

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General

  • Target

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

  • Sample

    200115-tjbwar5bfj

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

Score
10/10
ransomwarewormwannacrypersistenceevasiontrojan

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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Signatures

  • Adds Run entry to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 1 IoCs
  • Deletes shadow copies 2 TTPs 2 IoCs
    ransomware
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops startup file 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Drops file in Windows directory 1 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Modifies service 2 TTPs 4 IoCs
    persistence
  • Modifies registry class 173 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
    evasiontrojan
  • Modifies control panel 1 IoCs
    evasion
  • Modifies registry key 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Drops startup file
    • Sets desktop wallpaper using registry
    PID:4932
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:4956
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:4972
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1016
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 237331579105649.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
          PID:4424
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:748
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] co
        2⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5000
        • 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:4900
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b @[email protected] vs
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4996
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected] vs
          3⤵
          • Suspicious use of WriteProcessMemory
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:5080
          • 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:4656
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin delete shadows /all /quiet
              5⤵
              • Deletes shadow copies
              PID:4504
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Deletes shadow copies
              • Suspicious use of AdjustPrivilegeToken
              PID:4876
      • 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:4768
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Sets desktop wallpaper using registry
        PID:3744
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "nmsqcsinudawe237" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3320
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "nmsqcsinudawe237" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
          3⤵
          • Adds Run entry to start application
          • Modifies registry key
          PID:4152
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:4796
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1620
      • 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:1648
      • 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:4656
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:4152
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Modifies service
      PID:3980
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Drops file in Windows directory
      • Modifies registry class
      • Checks whether UAC is enabled
      • Modifies control panel
      PID:384
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:1992
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Modifies registry class
      • Checks whether UAC is enabled
      PID:5048
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Modifies registry class
      • Checks whether UAC is enabled
      PID:5056
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Modifies registry class
      • Checks whether UAC is enabled
      PID:4628

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/4900-227-0x0000000003F20000-0x0000000003F21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-62-0x0000000003720000-0x0000000003721000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-63-0x0000000003F20000-0x0000000003F21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-64-0x0000000003720000-0x0000000003721000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-226-0x0000000003720000-0x0000000003721000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-228-0x0000000003720000-0x0000000003721000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-392-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-393-0x00000000044F0000-0x00000000044F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-394-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4900-526-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4932-36-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5000-45-0x0000000002650000-0x0000000002651000-memory.dmp

      Filesize

      4KB

      Download