Trojan-Banker.Win32.Banker.agzg MVID-2022-0608 Insecure Permissions

`Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022  
Original source:  
https://malvuln.com/advisory/ef1e59148c9a902ae5454760aaab73fe.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Trojan-Banker.Win32.Banker.agzg  
Vulnerability: Insecure Permissions  
Description: The malware writes a PE file 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.  
Family: Banker  
Type: PE32  
MD5: ef1e59148c9a902ae5454760aaab73fe  
Vuln ID: MVID-2022-0608  
Disclosure: 06/06/2022  
  
  
Exploit/PoC:  
C:\>cacls tuto.exe  
C:\tuto.exe BUILTIN\Administrators:(ID)F  
NT AUTHORITY\SYSTEM:(ID)F  
BUILTIN\Users:(ID)R  
NT AUTHORITY\Authenticated Users:(ID)C  
  
  
C:\>dir tuto.exe  
Volume in drive C has no label.  
  
Directory of C:\  
  
05/04/2022 02:56 AM 14,336 tuto.exe  
1 File(s) 14,336 bytes  
  
  
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`