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  Rat.B_31
Rat.B_31 is a Trojan. A Trojan is a program that pretends to have a valid use, but in fact modifies the user's computer in malicious ways. Trojans do not replicate or spread to other computers.

Mutexes created
  • xTSRClient


Directory level activity
  • create - dir - C:\Documents and Settings\TestMachine\Application Data\driver


File level activity
  • write - file - PIPE\lsarpc
  • delete - file - C:\Documents and Settings\TestMachine\Application Data\driver\driver.exe:Zone.Identifier
  • write - file - PIPE\ROUTER
  • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\cd9e_appcompat.txt
  • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\cd9e_appcompat.txt


Registry level activity
  • write - registry - HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersAppData
  • write - registry - HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersAppData


Library level activity
  • load - library - KERNEL32.DLL
  • load - library - ADVAPI32.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscoreei.dll
  • load - library - SHLWAPI.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\clr.dll
  • load - library - kernel32.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscoree.dll
  • load - library - mscoree.dll
  • load - library - ntdll
  • load - library - advapi32
  • load - library - ntdll.dll
  • load - library - Kernel32.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\mscorlib\246f1a5abb686b9dcdf22d3505b08cea\mscorlib.ni.dll
  • load - library - AdvApi32.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\ole32.dll
  • load - library - ole32.dll
  • load - library - C:\WINDOWS\system32\rpcss.dll
  • load - library - C:\WINDOWS\system32\uxtheme.dll
  • load - library - uxtheme.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\culture.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\nlssorting.dll
  • load - library - kernel32
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\clrjit.dll
  • load - library - shfolder.dll
  • load - library - shell32.dll
  • load - library - Kernel32
  • load - library - rsaenh.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System\964da027ebca3b263a05cadb8eaa20a3\System.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Core\713647b987b140a17e3c4ffe4c721f85\System.Core.ni.dll
  • load - library - advapi32.dll
  • load - library - C:\WINDOWS\system32\winlogon.exe
  • load - library - CLBCATQ.DLL
  • load - library - xpsp2res.dll
  • load - library - OLE32
  • load - library - C:\WINDOWS\system32\wbem\wmiutils.dll
  • load - library - OLE32.DLL
  • load - library - oleaut32.dll
  • load - library - C:\WINDOWS\system32\wbem\wbemprox.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\\wminet_utils.dll
  • load - library - wmisvc.dll
  • load - library - C:\WINDOWS\system32\wbem\wbemsvc.dll
  • load - library - C:\WINDOWS\system32\wbem\fastprox.dll
  • load - library - C:\WINDOWS\Microsoft.Net\assembly\GAC_32\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\oleaut32.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\OLEAUT32.dll
  • load - library - OLEAUT32.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Drawing\dd57bc19f5807c6dbe8f88d4a23277f6\System.Drawing.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Windows.Forms\17e020ae92d7fab33bcc1c98b25019d0\System.Windows.Forms.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Runtime.Seri#\e9f8a45b1063d6c6a62718c88a5623d1\System.Runtime.Serialization.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\SMDiagnostics\4d2a51c03b27e615ff9f1c430f2014ba\SMDiagnostics.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Runtime.Dura#\f3989d3e9cb8904e4edf23ede5adb6c1\System.Runtime.DurableInstancing.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Configuration\ac18c2dcd06bd2a0589bac94ccae5716\System.Configuration.ni.dll
  • load - library - C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\System.Xml\e997d0200c25f7db6bd32313d50b729d\System.Xml.ni.dll
  • load - library - C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\rasapi32.dll
  • load - library - rasapi32.dll
  • load - library - RTUTILS.DLL
  • load - library - C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\ws2_32.dll
  • load - library - ws2_32.dll
  • load - library - RASMAN.DLL
  • load - library - secur32.dll
  • load - library - C:\WINDOWS\system32\msv1_0.dll
  • load - library - C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\iphlpapi.dll
  • load - library - iphlpapi.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\en-US\mscorrc.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\en\mscorrc.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll
  • load - library - C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\VERSION.dll
  • load - library - VERSION.dll
  • load - library - C:\Documents and Settings\TestMachine\Application Data\driver\driver.exe
  • load - library - FaultRep.dll
  • load - library - C:\WINDOWS\system32\kernel32.dll
  • load - library - ddraw.dll
  • load - library - d3d8.dll
  • load - library - d3d9.dll
  • load - library - C:\WINDOWS\system32\apphelp.dll
  • load - library - USER32.dll
  • load - library - KERNEL32.DLL


Process API calls used
  • NtCreateSection
  • ZwMapViewOfSection
  • VirtualProtectEx
  • NtFreeVirtualMemory
  • CreateProcessInternalW
  • ExitProcess


Registry API calls used
  • RegOpenKeyExW
  • RegQueryInfoKeyW
  • RegEnumKeyExW
  • RegEnumValueW
  • RegCloseKey
  • RegQueryValueExW
  • RegCreateKeyExW
  • NtOpenKey
  • NtQueryValueKey
  • RegSetValueExW
  • RegOpenKeyExA
  • RegQueryValueExA
  • RegCloseKey


System API calls used
  • LdrGetDllHandle
  • LdrGetProcedureAddress
  • LdrLoadDll
  • IsDebuggerPresent
  • NtDelayExecution
  • NtDelayExecution


Filesystem API calls used
  • FindFirstFileExW
  • NtQueryDirectoryFile
  • NtCreateFile
  • NtQueryInformationFile
  • NtReadFile
  • NtSetInformationFile
  • NtWriteFile
  • CreateDirectoryW
  • CopyFileW
  • DeleteFileW
  • FindFirstFileExW

Network

UDP source >> destination
  • 192.168.30.1 >> 8.8.8.8


TCP source >> destination



    Domains:
    • ip-api.com with IP - 66.212.29.250

    DNS Request:
    • ip-api.com

    HTTP Request:
    • NA

    DLL related data
    Number of DLL's imported = 1
    • mscoree.dll

    Relevant Information


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