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  MalAgent.J_73834
MalAgent.J_73834 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
  • Nothing to report


Directory level activity
    • Nothing to report


    File level activity
    • write - file - C:\Windows\System\Sysexp32.exe
    • write - file - C:\Windows\System\mplayerw.exe
    • write - file - C:\Windows\System\applets.exe
    • write - file - C:\Windows\Syssrc32.exe
    • write - file - C:\Windows\System\fndfst32.exe
    • write - file - C:\Windows\System\Explorer.exe
    • write - file - PIPE\lsarpc
    • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\b2f8_appcompat.txt
    • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\b2f8_appcompat.txt


    Registry level activity
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Classes\txtfile\shell\open\commandExplore
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Classes\txtfile\shell\open\command
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Classes\midfile\shell\play\commandMid Player
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Classes\midfile\shell\play\command
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunSystem applets
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunSyssrc32
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Runfndfst32
    • write - registry - HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunExplorer Shell


    Library level activity
    • load - library - KERNEL32.DLL
    • load - library - ADVAPI32.dll
    • load - library - USER32.dll
    • load - library - WSOCK32.dll
    • load - library - C:\WINDOWS\system32\faultrep.dll
    • load - library - C:\Documents and Settings\TestMachine\Local Settings\Temp\23d91d0a136cad8022bd69d1ddbe17dc.bin
    • load - library - ddraw.dll
    • load - library - d3d8.dll
    • load - library - d3d9.dll
    • load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\23d91d0a136cad8022bd69d1ddbe17dc.bin
    • load - library - C:\WINDOWS\system32\apphelp.dll
    • load - library - SHLWAPI.dll
    • load - library - VERSION.dll
    • load - library - C:\WINDOWS\system32\kernel32.dll
    • load - library - C:\WINDOWS\system32\kernel32.dll


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


    Registry API calls used
    • RegOpenKeyExA
    • RegQueryValueExA
    • RegCloseKey
    • RegCreateKeyExA
    • RegSetValueExA
    • NtOpenKey
    • NtQueryValueKey
    • RegOpenKeyExW
    • RegCreateKeyExW
    • RegDeleteKeyW
    • RegQueryValueExW
    • NtQueryValueKey


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


    Filesystem API calls used
    • NtOpenFile
    • CopyFileA
    • NtSetInformationFile
    • NtCreateFile
    • NtQueryInformationFile
    • NtWriteFile
    • FindFirstFileExW
    • NtReadFile
    • NtOpenDirectoryObject
    • NtQueryDirectoryFile
    • NtWriteFile

    Network

    UDP source >> destination
    • 192.168.30.254 >> 192.168.30.4
    • 192.168.30.4 >> 192.168.30.255


    TCP source >> destination
    • 192.168.30.4 >> 192.168.30.254



    Domains:
    • NA

    DNS Request:
    • NA

    HTTP Request:
    • NA

    DLL related data
    Number of DLL's imported = 4
    • ADVAPI32.dll
    • KERNEL32.DLL
    • USER32.dll
    • WSOCK32.dll


    Relevant Information