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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    18-06-2020 14:22

General

  • Target

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

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

  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Suspicious use of WriteProcessMemory 104 IoCs
  • Loads dropped DLL 39 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Executes dropped EXE 16 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies registry key 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Modifies service 2 TTPs 4 IoCs
  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Modifies file permissions 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    • Loads dropped DLL
    • Sets desktop wallpaper using registry
    PID:1492
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:1520
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:600
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1868
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 201351592497355.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
        • Loads dropped DLL
        PID:652
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      PID:1576
      • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
        TaskData\Tor\taskhsvc.exe
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        PID:1972
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b @[email protected] vs
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:1564
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        • Executes dropped EXE
        PID:1944
        • 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:1904
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • Interacts with shadow copies
            PID:2000
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1504
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1540
    • C:\Users\Admin\AppData\Local\Temp\taskse.exe
      taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Executes dropped EXE
      PID:1788
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: GetForegroundWindowSpam
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "coyaaqitjeid629" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
      2⤵
        PID:1044
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "coyaaqitjeid629" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
          3⤵
          • Modifies registry key
          • Adds Run entry to start application
          PID:1620
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1748
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Executes dropped EXE
        PID:1824
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1324
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Executes dropped EXE
        PID:1488
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:344
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Executes dropped EXE
        PID:880
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Modifies service
      PID:1812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads