Created: 21/03/2024 11:28 Last Updated: 22/03/2024 13:52
You're a forensics analyst and have a registry dump. Try to analyze the evidence and answer the questions.
Registry Files Location: C:\Users\LetsDefend\Desktop\RegistryHive\Regs
What is the Computer name of this machine?
We got all the registry hives that needed to complete this challenge
There are 3 tools that we can used which are RegRipper 2.8 and 3 and lastly RegistryExplorer from EZ tools
I started by using RegRipper 3 with SYSTEM hive which hold system information
Search for ComputerName

DESKTOP-8K4U4R6
What is the last shutdown time for this machine?
Format: YYYY/MM/DD HH:MM:SS
Search by shutdown on the system hive output

2023-03-23 21:53:11
What is the time zone name that the machine uses?
Search by timezone on the system hive output

Pacific Standard Time
What is the IP address of the default gateway?
Search by gateway on the system hive output, We got only DHCP Default Gateway here

192.168.235.2
What is the last login date for the user “Work”?
Format: DD/MM/YYYY HH:MM:SS
Now move to SAM hive for user information

23/03/2023 21:53:29
How many logins did the “Work” user have?

3
What is the OS “ProductName”?
use Registry Explorer to load Software Hive then go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion which hold information about Windows OS and Product

Windows 10 Pro
What is the OS “BuildNumber”?
Still on HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

19043
How many programs run on startup for any user?
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run registry holds information for programs that will be run on startup

2
What is the last installed app?
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall registry holds this information despite it names

xampp
What is the “DefaultGatewayMac”?
Registry NetworkList holds this information, so just search for this

00-50-56-FD-27-94
What is the Machine SID?
This question can obtained by using RegRipper 2.8 only, and the hive that hold this information is SECURITY Hive

S-1-5-21-1957816478-2793074591-1041990146
This challenge was designed for user to practice registry analysis and find basic information about system from 4 registry hives.