VeraCrypt dictionary attack
#1
Tongue 
Hi everyone Smile

I'll try to be the most precise I can about my problem.
My problem is certainly very common I guess, but I'm still stuck Tongue

I've recently created an encrypted Veracrypt container with a password that I've (obviously) forgotten.
As far as I know myself, I've probably (with a certitude >90%) used these settings :
- Encryption algorithm : serpent(twofish(AES)) or AES(twofish(serpent))
- Hash : SHA-512 or SHA-256 (surely not whirlpool because I know its weakness)
- Password : I don't remember, but I've created a dictionary with Python so that I'm sure one of these combinations is valid (actually I just don't remember the order in which I've put the words in my passphrase)

So my problem is "basic".
I'm running hashcat like so (on W7U) "hashcat64.exe -a 0 -m ?* "path to Veracrypt volume" "path to .dict" "
But it didn't work.

*For the -m I've used once each of 13713, 13723, 13733, 13753. If I did it wrong, that wouldn't surprise me Big Grin


As I'm absolutely sure that one of the 6400 combinations created with my Python script is valid, I thought that there was a problem in my way of "trying to crack the hash".

So I've created a new container with one password from the .dict that I'd created.

And I've done the same process as above.
And that didn't work.

So now I know that I'm making a mistake in my way of manipulating hashcat.

Does someone have any idea about how I could find either the right -m either solve my problem ?


I'd be really thankful if I can get the answer because I've some data inside that aren't anywhere else Sad


PS: One more precision.
I've tried each -m listed above with the official hashcat examples from here https://hashcat.net/wiki/doku.php?id=example_hashes
I've used the -a 0 mode and a .dict where "hashcat" was stored.
And that worked perfectly.


So I'm really lost now.
Thank you ! Big Grin


Messages In This Thread
VeraCrypt dictionary attack - by ajyk7900 - 05-27-2017, 07:44 PM
RE: VeraCrypt dictionary attack - by philsmd - 05-27-2017, 07:52 PM
RE: VeraCrypt dictionary attack - by ajyk7900 - 05-27-2017, 08:55 PM
RE: VeraCrypt dictionary attack - by philsmd - 05-27-2017, 09:16 PM
RE: VeraCrypt dictionary attack - by ajyk7900 - 05-27-2017, 10:26 PM
RE: VeraCrypt dictionary attack - by philsmd - 05-27-2017, 10:46 PM
RE: VeraCrypt dictionary attack - by ajyk7900 - 05-28-2017, 08:36 PM