Interesting Windows Registry Keys

Interesting Windows Registry Keys
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Windows system info
Version
Software\Microsoft\Windows NT\CurrentVersion: Windows version, Service Pack, Installation time and the registered owner
Hostname
System\ControlSet001\Control\ComputerName\ComputerName: Hostname
Timezone
System\ControlSet001\Control\TimeZoneInformation: TimeZone
Last Access Time
System\ControlSet001\Control\Filesystem: Last time access (by default it's disabled with NtfsDisableLastAccessUpdate=1, if 0, then, it's enabled).
To enable it: fsutil behavior set disablelastaccess 0
Shutdown Time
System\ControlSet001\Control\Windows: Shutdown time
System\ControlSet001\Control\Watchdog\Display: Shutdown count (only XP)
Network Information
System\ControlSet001\Services\Tcpip\Parameters\Interfaces{GUID_INTERFACE}: Network interfaces
Software\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\Unmanaged & Software\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\Managed & Software\Microsoft\Windows NT\CurrentVersion\NetworkList\Nla\Cache: First and last time a network connection was performed and connections through VPN
Software\Microsoft\WZCSVC\Parameters\Interfaces{GUID} (for XP) & Software\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles: Network type (0x47-wireless, 0x06-cable, 0x17-3G) an category (0-Public, 1-Private/Home, 2-Domain/Work) and last connections
Shared Folders
System\ControlSet001\Services\lanmanserver\Shares\: Share folders and their configurations. If Client Side Caching (CSCFLAGS) is enabled, then, a copy of the shared files will be saved in the clients and server in C:\Windows\CSC
CSCFlag=0 -> By default the user needs to indicate the files that he wants to cache
CSCFlag=16 -> Automatic caching documents. “All files and programs that users open from the shared folder are automatically available offline” with the “optimize for performance" unticked.
CSCFlag=32 -> Like the previous options by “optimize for performance” is ticked
CSCFlag=48 -> Cache is disabled.
CSCFlag=2048: This setting is only on Win 7 & 8 and is the default setting until you disable “Simple file sharing” or use the “advanced” sharing option. It also appears to be the default setting for the “Homegroup”
CSCFlag=768 -> This setting was only seen on shared Print devices.
AutoStart programs
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Run
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\RunOnce
Software\Microsoft\Windows\CurrentVersion\Runonce
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Software\Microsoft\Windows\CurrentVersion\Run
Explorer Searches
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\WordwheelQuery: What the user searched for using explorer/helper. The item with MRU=0 is the last one.
Typed Paths
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\TypedPaths: Paths types in the explorer (only W10)
Recent Docs
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs: Recent documents opened by the user
NTUSER.DAT\Software\Microsoft\Office{Version}{Excel|Word}\FileMRU:Recent office docs. Versions:
14.0 Office 2010
12.0 Office 2007
11.0 Office 2003
10.0 Office X
NTUSER.DAT\Software\Microsoft\Office{Version}{Excel|Word} UserMRU\LiveID_###\FileMRU: Recent office docs. Versions:
15.0 office 2013
16.0 Office 2016
MRUs
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LastVisitedMRU
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LasVisitedPidlMRU
Indicates the path from where the executable was executed
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\Op enSaveMRU (XP)
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\Op enSavePidlMRU
Indicates files opened inside an opened Window
Last Run Commands
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\Policies\RunMR
User AssistKey
NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{GUID}\Count
The GUID is the id of the application. Data saved:
Last Run Time
Run Count
GUI application name (this contains the abs path and more information)
Focus time and Focus name
Shellbags
When you open a directory Windows saves data about how to visualize the directory in the registry. These entries are known as Shellbags.
Explorer Access:
USRCLASS.DAT\Local Settings\Software\Microsoft\Windows\Shell\Bags
USRCLASS.DAT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Desktop Access:
NTUSER.DAT\Software\Microsoft\Windows\Shell\BagMRU
NTUSER.DAT\Software\Microsoft\Windows\Shell\Bags
To analyze the Shellbags you can use Shellbag Explorer and you will be able to find the** MAC time of the folder and also the creation date and modified date of the shellbag which are related with the first time the folder was accessed and the last time**.
Note 2 things from the following image:
1.We know the name of the folders of the USB that was inserted in E:
2.We know when the shellbag was created and modified and when the folder was created an accessed
USB information
Device Info
The registry HKLM\SYSTEM\ControlSet001\Enum\USBSTOR monitors each USB device that has been connected to the PC.
Within this registry it's possible to find:
The manufacturer's name
The product name and version
The Device Class ID
The volume name (in the following images the volume name is the highlighted subkey)
Moreover, checking the registry HKLM\SYSTEM\ControlSet001\Enum\USB and comparing the values of the sub-keys it's possible to find the VID value
With the previous information the registry SOFTWARE\Microsoft\Windows Portable Devices\Devices can be used to obtain the {GUID}:
User that used the device
Having the {GUID} of the device it's now possible to check all the NTUDER.DAT hives of all the users searching for the GUID until you find it in one of them (NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Explorer\Mountpoints2)
Last mounted
Checking the registry System\MoutedDevices it's possible to find out which device was the last one mounted. In the following image check how the last device mounted in E: is the Thoshiba one (using the tool Registry Explorer).
Volume Serial Number
In Software\Microsoft\Windows NT\CurrentVersion\EMDMgmt you can find the volume serial number. Knowing the volume name and the volume serial number you can correlate the information from LNK files that uses that information.
Note that when a USB device is formatted:
A new volume name is created
A new volume serial number is created
The physical serial number is kept
Timestamps
In System\ControlSet001\Enum\USBSTOR{VEN_PROD_VERSION}{USB serial}\Properties{83da6326-97a6-4088-9453-a1923f573b29}\ you can find the first and last time the device was connected:
0064 -- First connection
0066 -- Last connection
0067 -- Disconnection
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Last modified 18d ago