Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/e3cf225a94c6be5a26fc21a1ec83f418.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan-Spy.Win32.WebCenter.a
Vulnerability: Information Disclosure 
Description: The trojan creates a dir named "webcenter" under "C:\Windows\SysWOW64" and drops various exes and html pages to return information about the infected system. Executable "web.exe" listens on TCP port 80, attackers who can reach the system can view various information about the infected system E.g. computer name, instant messenger accounts (software,proto,user/passwds), ports, processes etc

INFECTED_HOST/cports.html
INFECTED_HOST/cprocess.html
INFECTED_HOST/mspass.html

Type: PE32
MD5: e3cf225a94c6be5a26fc21a1ec83f418
Vuln ID: MVID-2021-0077
Dropped files: web.exe
Disclosure: 02/07/2021

Exploit/PoC:
TELNET INFECTED_HOST 80

GET /cports.html HTTP/1.1


Process Name  Process ID  Protocol  Local Port  Local Port Name  Local Address  Remote Port  Remote Port Name  Remote Address  State  Process Path  Product Name  File Description  File Version  Company  Process Created On  User Name  Process Services
Unknown  0  TCP  80  http  0.0.0.0        0.0.0.0  Listening            N/A      
Unknown  0  TCP  80  http  x.x.x.x  13497     x.x.x.x  Time Wait         N/A      
Unknown  0  TCP  80  http  x.x.x.x  13498     x.x.x.x  Time Wait         N/A      


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).