Crash: DarkComet exe

[sysfatal]

$ malconf --version
malconf 1.0

$ clamscan f.exe
f.exe: Win.Trojan.DarkKomet-1 FOUND

Output:

[+] Loading File: f.exe
[-] Found: DarkComet
[-] Running Decoder
Traceback (most recent call last):
File "/usr/local/bin/malconf", line 122, in
process_file(args[0], output_file)
File "/usr/local/bin/malconf", line 49, in process_file
module.get_config()
File "/usr/local/lib/python3.8/dist-packages/malwareconfig/decoders/darkcomet.py", line 70, in get_config
raw_config = self.parse_v5(self.file_info, dc_version)
File "/usr/local/lib/python3.8/dist-packages/malwareconfig/decoders/darkcomet.py", line 41, in parse_v5
clear_config = crypto.decrypt_arc4(dc_version, crypted_config)
File "/usr/local/lib/python3.8/dist-packages/malwareconfig/crypto.py", line 22, in decrypt_arc4
cipher = ARC4.new(key)
File "/usr/local/lib/python3.8/dist-packages/Crypto/Cipher/ARC4.py", line 132, in new
return ARC4Cipher(key, *args, **kwargs)
File "/usr/local/lib/python3.8/dist-packages/Crypto/Cipher/ARC4.py", line 60, in init
result = _raw_arc4_lib.ARC4_stream_init(c_uint8_ptr(key),
File "/usr/local/lib/python3.8/dist-packages/Crypto/Util/_raw_api.py", line 144, in c_uint8_ptr
raise TypeError("Object type %s cannot be passed to C code" % type(data))
TypeError: Object type <class 'str'> cannot be passed to C code