Ransomware Builder Babuk malware suffers from an insecure permissions vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/5dfa998f62612e10d5d28d26948dd50f.txt
Contact: [email protected]
Threat: Ransomware Builder Babuk
Vulnerability: Insecure Permissions
Description: The malware creates directorys with insecure permissions when write to c: drive, granting 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-2022-0461
Usage: builder.exe FolderName
Creating folder 'c:hate'
curve25519 keys generated.
Press any key to continue . . .
NT AUTHORITYAuthenticated Users:(ID)C
NT AUTHORITYAuthenticated Users:(OI)(CI)(IO)(ID)C
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