Skip to main content

CSCV2025 FOR CASEALPHAS

·227 words·2 mins

FORENSICS CSCV 2025 from: MTA.SUPPORT

FOR3: CASE ALPHAS

First, we have the file zip from admin, then we enter the password to extract this

After extracted, we got 2 files

Open ReadMe.pdf to read the information and get the password to extract file zip

image

Open evidences, there is 3 file, we just need to care about evidences.ad1 first

Open it in FTK Imager:

image

Fortunately, after a quick scan, notice that the insider threat has downloaded chatgpt desktop and simplenote, so that we need to check file .db in 2 files

CHATGPT:

Users/windows/Appdata/Local/OpenAI…/LocalCache/Roaming/IndexedDB/…db

image

Then we read the file .log and get the details of the conversation between Hacker and ChatGPT

Amazing, we actually get the recovery key to unlock Bitlocker

image

Remember the hard disk we have in evidences file, unlock it and we see the file secret.zip

image

We still have doubts about Simplenote, so that we need to find information about it

Simplenote:

Users/windows/Appdata/Local/Automatic…/LocalCache/Roaming/IndexedDB/…leveldb

Then we begin to read the file .log to get information like what we did with Chatgpt

We are lucky again, this file contain a password, i think that this is the password for secret.zip

image

It is really working, we have the secret file like this

image

Read file ssh.txt, we have an URL and password, open it in browser and get the flag

image

FINAL FLAG IS:

image

Thank you for reading my write up <33