Trojan.Win32.Mucc.ivk malware suffers from an unquoted service path vulnerability.
e5dbe35717e1a07ed6b7d2a8fe0c9333Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/1d622f8c72b010b8d7213c032db122e4.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Trojan.Win32.Mucc.ivk
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: 1d622f8c72b010b8d7213c032db122e4
Vuln ID: MVID-2021-0412
Disclosure: 12/03/2021
Exploit/PoC:
C:\Program Files (x86)\SQLIOSIMS\SQLIOSIMS.exe
C:\>sc qc "SQLAGENT MSSQL SQLIOSIMS"
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: SQLAGENT MSSQL SQLIOSIMS
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 0 IGNORE
BINARY_PATH_NAME : C:\Program Files (x86)\SQLIOSIMS\SQLIOSIMS.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : MSSQLSERVER SQLIOSIMS
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem
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