Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ca40998b5d62ee7f936537ff3de7993d.txt
Vulnerability: Insecure Permissions
Description: The malware creates a dir with insecure permissions under c:\ drive and grants change (C) permissions to the authenticated user group. Standard users can rename the executable dropped by the malware to disable it or replace it with their own executable. Then wait for a privileged user to logon to the infected machine to potentially escalate privileges.
Vuln ID: MVID-2021-0297
NT AUTHORITY\Authenticated Users:(ID)C
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C
C:\>dir /a Windupdt
Volume in drive C has no label.
Directory of C:\Windupdt
06/15/2012 12:11 AM 264,704 winupdate.exe
1 File(s) 264,704 bytes
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