> For the complete documentation index, see [llms.txt](https://faresbltagy.gitbook.io/footprintinglabs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faresbltagy.gitbook.io/footprintinglabs/cyberdefenders/goldenspray-lab.md).

# GoldenSpray Lab

Q1) What's the attacker IP?

```splunk-spl
event.action: Logon AND event.outcome: failure
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FqKAm3fhEgHaky8vXLJUx%2FScreenshot(6).png?alt=media&amp;token=86638d6c-2b71-49e6-866d-e01e55cf6229" alt=""><figcaption></figcaption></figure>

```splunk-spl
event.action: Logon AND event.outcome: failure AND winlog.event_data.IpAddress: "77.91.78.115"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FrsVXM9AjBglgnFPFaps9%2FScreenshot(7).png?alt=media&amp;token=274faba6-60af-448b-89f5-18c059e9baa3" alt=""><figcaption></figcaption></figure>

Too many failed login attempts in a small time frame.

Answer:  77.91.78.115

Q2) What country is the attack originating from?

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FonNThi8sTshoJUSWvQLG%2FScreenshot(5).png?alt=media&amp;token=3ebc2986-e134-4d9f-acd3-cba7fc86ef5b" alt=""><figcaption></figcaption></figure>

Answer:  Finland

Q3) What's the compromised account username used for initial access?

```splunk-spl
event.action: Logon AND  winlog.event_data.IpAddress: "77.91.78.115"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FsB5aucgJMqz3xixDpmaI%2FScreenshot(8).png?alt=media&amp;token=23ca8bd9-ec30-4ff4-927f-498782d6147d" alt=""><figcaption></figcaption></figure>

Answer:  SECURETECH\mwilliams

Q4) What's the name of the malicious file utilized by the attacker for persistence on ST-WIN02?

Now we know that the attacker used the mwilliams user to gain initial access.

```splunk-spl
event.code: 11 AND  "ST-WIN02" AND "mwilliams"
#OR
event.code: 1 AND  "ST-WIN02" AND "mwilliams"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FsyWtRE4EdVkRIItxU1gp%2FScreenshot(9).png?alt=media&amp;token=fd42ab77-35ce-4cf1-ad59-43f1167a4317" alt=""><figcaption></figcaption></figure>

Answer: OfficeUpdater.exe

Q5) What's the full path used by the attacker for storing his tools?

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FIvfxeMZDMXuENxlYA5oS%2FScreenshot(10).png?alt=media&amp;token=5c5fb7e8-c858-4e22-8843-3997b2d43287" alt=""><figcaption></figcaption></figure>

Answer: C:\Users\Public\Backup\_Tools\\

Q6) What's the process ID of the tool responsible for dumping credentials on ST-WIN02?

```splunk-spl
event.code: 1 AND  "ST-WIN02"  AND "*mimikatz.exe"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FNsexcjJkjsnZKUlHbPcH%2FScreenshot(11).png?alt=media&amp;token=9bcf712d-c4fb-40a1-8f81-afeeb0c47777" alt=""><figcaption></figcaption></figure>

Answer:  3708

Q7) What's the second account username the attacker compromised and used for lateral movement?

```splunk-spl
event.action: Logon AND  winlog.event_data.IpAddress: "77.91.78.115"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FEyOiYLK13w6DdLUYfvzW%2FScreenshot(12).png?alt=media&amp;token=22d45d94-8407-4a04-bb04-989f36ad227a" alt=""><figcaption></figcaption></figure>

Answer:  SECURETECH\jsmith

Q8)

```splunk-spl
event.code: 1 AND  "*schtasks.exe"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2F8J8EmilKoD07A27WRiSj%2FScreenshot(13).png?alt=media&amp;token=24434436-eeab-4823-abaf-135df1929b58" alt=""><figcaption></figcaption></figure>

Answer:  FilesCheck

Q9) What's the encryption type used in the environment Kerberos tickets?

Answer:  RC4-HMAC

Q10) Can you provide the full path of the output file in preparation for data exfiltration?

```splunk-spl
event.code: 11 AND winlog.event_data.Image: *powershell AND "jsmith"
```

<figure><img src="https://2537271824-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIswWWP3l0rGuQmG2WUcr%2Fuploads%2FlMf9t7CYA9OiCUltwBF6%2FScreenshot(14).png?alt=media&amp;token=e42ddc29-2ea9-421e-b826-6e0656884144" alt=""><figcaption></figcaption></figure>

Answer:  C:\Users\Public\Documents\Archive\_8673812.zip


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