Worm.Win32.Fasong.c Unquoted Service Path

`Discovery / credits: Malvuln - malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/bc6f4a283b6b8308c60bb70cc81edfd8.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Worm.Win32.Fasong.c  
Vulnerability: Insecure Service Path  
Description: The malware creates a service with an unquoted path. Third party attackers who can place an arbitrary executable under c:\ drive can potentially undermine the integrity of the malware by having it run theirs instead with SYSTEM privs.  
Type: PE32  
MD5: bc6f4a283b6b8308c60bb70cc81edfd8  
Vuln ID: MVID-2021-0363  
Dropped files: QIRNJ.EXE  
Disclosure: 10/15/2021  
  
  
Exploit/PoC:  
C:\>sc qc VGUPL.EXE  
[SC] QueryServiceConfig SUCCESS  
  
SERVICE_NAME: VGUPL.EXE  
TYPE : 110 WIN32_OWN_PROCESS (interactive)  
START_TYPE : 2 AUTO_START  
ERROR_CONTROL : 1 NORMAL  
BINARY_PATH_NAME : C:\Program Files (x86)\VGUPL.EXE  
LOAD_ORDER_GROUP :  
TAG : 0  
DISPLAY_NAME : VGUPL.EXE  
DEPENDENCIES :  
SERVICE_START_NAME : LocalSystem  
  
  
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