full-disclosure - [FD] Backdoor.Win32.Agent.cy / Weak Hardcoded Credentials

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Message-ID: <CAAHK0WRAOzmjBX4iNiZ71F4wDNW2BtFT-Zea2=wnTLjBdnQr=A@mail.gmail.com>
Date: Fri, 14 May 2021 14:05:32 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Agent.cy / Weak Hardcoded Credentials

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/e85a1028a52fcc723353a236ada54fee.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Agent.cy
Vulnerability: Weak Hardcoded Credentials
Description: The malware listens on TCP port 1111, drops an executable
named "Spoolsw.exe" under SysWOW64 dir that runs with SYSTEM integrity. The
password "TrFsB-RuleZ" is stored in plaintext and can be easily found
running strings util against the malware executable.
Type: PE32
MD5: e85a1028a52fcc723353a236ada54fee
Vuln ID: MVID-2021-0207
Dropped files: Spoolsw.exe, namafileyangditerima.txt,
namafileyangdikirim.txt
Disclosure: 05/14/2021

Exploit/PoC:
nc64.exe MALWARE_INFECTED_HOST 1111
TrFsB-RuleZ

OK, PASSWORT aktzeptiert , Tritt ein , bring Gl
"OK, PASSWORD accepted, come in, bring Eq"

We also find:
"=     Wunder  Portal  =
= Right to Copy 2004 bY Nice Guy  ="

Disclaimer: The information contained within this advisory is supplied
"as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author. The author is not responsible for any misuse of the information
contained herein and accepts no responsibility for any damage caused by the
use or misuse of this information. The author prohibits any malicious use
of security related information or exploits by the author or elsewhere. Do
not attempt to download Malware samples. The author of this website takes
no responsibility for any kind of damages occurring from improper Malware
handling or the downloading of ANY Malware mentioned on this website or
elsewhere. All content Copyright (c) Malvuln.com (TM).

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