> For the complete documentation index, see [llms.txt](https://dika-maulidal.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dika-maulidal.gitbook.io/home/writeups-and-walkthroughs/tryhackme-thm/critical-writeup.md).

# Critical Writeup

<figure><img src="https://tryhackme-images.s3.amazonaws.com/room-icons/66264cef7bba67a6bbbe7179-1718813358080" alt="" width="188"><figcaption></figcaption></figure>

{% embed url="<https://tryhackme.com/room/critical>" %}

## Task 2: Memory Forensics

**2.1** What type of memory is analyzed during a forensic memory task?

```
RAM
```

**2.2** In which phase will you create a memory dump of the target system?

```
Memory Acquisition
```

## Task 3: Environment & Setup

**3.1** Which plugin can help us to get information about the OS running on the target machine?

```
Windows.info
```

**3.2** Which tool referenced above can help us take a memory dump on a Linux OS?

```
LIME
```

**3.3** Which command will display the help menu using Volatility on the target machine?

```
vol -h
```

## Task 4: Gathering Target Information

**4.1** Is the architecture of the machine x64 (64bit) Y/N?

<figure><img src="/files/KOoFHCZm9lA783QrWzWo" alt=""><figcaption></figcaption></figure>

```
Y
```

**4.2** What is the Version of the Windows OS

<figure><img src="/files/KOoFHCZm9lA783QrWzWo" alt=""><figcaption></figcaption></figure>

```
10
```

**4.3** What is the base address of the kernel?

<figure><img src="/files/KOoFHCZm9lA783QrWzWo" alt=""><figcaption></figcaption></figure>

```
0xf8066161b000
```

## Task 5: Searching for Suspicious Activity

**5.1** Using the plugin "windows.netscan". Can you identify the destination IP address where a connection is established on port 80?

```bash
vol -f memdump.mem windows.netscan
```

<figure><img src="/files/C3qi9nJ7zYuvLh57vJYa" alt=""><figcaption></figcaption></figure>

```
192.168.182.128
```

**5.2** Using the plugin "windows.netscan," can you identify the program (owner) used to access through port 80?

```
MSEdge.exe
```

**5.3** Analyzing the processes present on the dump, what is the PID of the child process of critical\_updat?

```bash
vol -f memdump.mem windows.pstree
```

<figure><img src="/files/GdeFzmEciWVIt2ZPkLRH" alt=""><figcaption></figcaption></figure>

```
1612
```

**5.4** What is the time stamp time for the process with the truncated name critical\_updat?

<figure><img src="/files/DoBEgIDz63ho43k5kGnn" alt=""><figcaption></figcaption></figure>

```
2024-02-24 22:51:50.000000
```

## Task 6: Finding Interesting Data

**6.1** Analyzing the "windows.filescan" output, what is the full path and name for critical\_updat?

<figure><img src="/files/q3V3shz2Eg41ipojxJDr" alt=""><figcaption></figcaption></figure>

```
C:\Users\user01\Documents\critical_update.exe
```

**6.2** Analyzing the "windows.mftscan.MFTScan" what is the Timestamp for the created date of important\_document.pdf?

<figure><img src="/files/97sKwBuPEdIq1Mt5xP7F" alt=""><figcaption></figcaption></figure>

```
2024-02-24 20:39:42.000000
```

***
