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  Delf.CXL
Delf.CXL 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
  • _!MSFTHISTORY!_
  • c:!documents and settings!soumy!local settings!temporary internet files!content.ie5!
  • c:!documents and settings!soumy!cookies!
  • c:!documents and settings!soumy!local settings!history!history.ie5!
  • WininetStartupMutex
  • WininetConnectionMutex
  • WininetProxyRegistryMutex


Directory level activity
    • Nothing to report


    File level activity
    • write - file - PIPE\lsarpc
    • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\1d48_appcompat.txt
    • write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\1d48_appcompat.txt


    Registry level activity
    • write - registry - HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersCache
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsDirectory
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPaths
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath1CachePath
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath2CachePath
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath3CachePath
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath4CachePath
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath1CacheLimit
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath2CacheLimit
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath3CacheLimit
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings\CachePathsPath4CacheLimit
    • write - registry - HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersCookies
    • write - registry - HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersHistory
    • write - registry - HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersCommon AppData
    • write - registry - HKEY_USERS\S-1-5-21-1454471165-842925246-1957994488-1003Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersAppData
    • write - registry - HKEY_USERS\S-1-5-21-1454471165-842925246-1957994488-1003Software\Microsoft\windows\CurrentVersion\Internet SettingsMigrateProxy
    • write - registry - HKEY_USERS\S-1-5-21-1454471165-842925246-1957994488-1003Software\Microsoft\windows\CurrentVersion\Internet SettingsProxyEnable
    • write - registry - HKEY_CURRENT_CONFIG\Software\Microsoft\windows\CurrentVersion\Internet SettingsProxyEnable
    • write - registry - HKEY_USERS\S-1-5-21-1454471165-842925246-1957994488-1003Software\Microsoft\windows\CurrentVersion\Internet Settings\ConnectionsSavedLegacySettings
    • write - registry - HKEY_USERS\S-1-5-21-1454471165-842925246-1957994488-1003Software\Microsoft\windows\CurrentVersion\Internet Settings\ConnectionsDefaultConnectionSettings


    Library level activity
    • load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\bdbf08e9a5c751559780a42393e6db30.ENU
    • load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\bdbf08e9a5c751559780a42393e6db30.EN
    • load - library - kernel32.dll
    • load - library - oleaut32.dll
    • load - library - USER32.DLL
    • load - library - USER32
    • load - library - comctl32.dll
    • load - library - User32.dll
    • load - library - uxtheme.dll
    • load - library - ole32.dll
    • load - library - WININET.dll
    • load - library - Secur32.dll
    • load - library - shell32.dll
    • load - library - KERNEL32
    • load - library - rnaapp.exe
    • load - library - advapi32.dll
    • load - library - user32.dll
    • load - library - wininet.dll
    • load - library - winmm.dll
    • load - library - C:\WINDOWS\system32\winmm.dll
    • load - library - RASAPI32.DLL
    • load - library - RTUTILS.DLL
    • load - library - sensapi.dll
    • load - library - ntdll.dll
    • load - library - SHELL32.dll
    • load - library - USERENV.dll
    • load - library - netapi32.dll
    • load - library - C:\WINDOWS\System32\mswsock.dll
    • load - library - rasadhlp.dll
    • load - library - NTDLL.DLL
    • load - library - IPHLPAPI.DLL
    • load - library - C:\WINDOWS\system32\faultrep.dll
    • load - library - C:\Documents and Settings\TestMachine\Local Settings\Temp\bdbf08e9a5c751559780a42393e6db30.bin
    • load - library - ddraw.dll
    • load - library - d3d8.dll
    • load - library - d3d9.dll
    • load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\bdbf08e9a5c751559780a42393e6db30.bin
    • load - library - C:\WINDOWS\system32\apphelp.dll
    • load - library - USER32.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
    • NtFreeVirtualMemory
    • NtOpenSection
    • NtCreateSection
    • ZwMapViewOfSection
    • VirtualProtectEx
    • CreateProcessInternalW


    Registry API calls used
    • RegOpenKeyExA
    • RegQueryValueExA
    • RegCloseKey
    • RegOpenKeyExW
    • RegCreateKeyExW
    • RegQueryValueExW
    • RegSetValueExW
    • RegSetValueExA
    • RegEnumKeyExA
    • RegCreateKeyExA
    • NtOpenKey
    • NtQueryValueKey
    • RegQueryInfoKeyW
    • RegEnumValueW
    • RegDeleteValueA
    • RegQueryInfoKeyA
    • RegDeleteKeyW
    • RegQueryValueExW


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


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

    Network

    UDP source >> destination
    • 192.168.30.254 >> 192.168.30.3
    • 192.168.30.3 >> 192.168.30.254
    • 192.168.30.3 >> 192.168.30.255
    • 192.168.30.3 >> 8.8.8.8


    TCP source >> destination
    • 192.168.30.3 >> 172.217.6.46
    • 192.168.30.3 >> 192.168.30.254



    Domains:
    • drive.google.com with IP - 172.217.6.46

    DNS Request:
    • drive.google.com

    HTTP Request:
    • NA

    DLL related data
    Number of DLL's imported = 14
    • kernel32.dll
    • user32.dll
    • advapi32.dll
    • oleaut32.dll
    • kernel32.dll
    • advapi32.dll
    • kernel32.dll
    • version.dll
    • gdi32.dll
    • user32.dll
    • kernel32.dll
    • oleaut32.dll
    • comctl32.dll
    • URL.DLL

    Relevant Information


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