HEUR.Trojan.Win32.Delf.gen Insecure Permissions

HEUR.Trojan.Win32.Delf.gen malware suffers from an insecure permissions vulnerability.

MD5 | e1f4ba74d261764bccfc882a73370c99

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/058ef1acc6456a924737d940f3cf81aa.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: HEUR.Trojan.Win32.Delf.gen
Vulnerability: Insecure Permissions
Description: The Batch VirusGen malware creates an .BAT script 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.
Type: PE32
MD5: 058ef1acc6456a924737d940f3cf81aa
Vuln ID: MVID-2021-0323
Dropped files: virus.bat
Disclosure: 08/30/2021

C:\>cacls virus.bat
C:\virus.bat BUILTIN\Administrators:(ID)F
NT AUTHORITY\Authenticated Users:(ID)C

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