Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022  
Original source:  
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  
C:\>cacls tuto.exe  
C:\tuto.exe BUILTIN\Administrators:(ID)F  
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  
Disclaimer: The information contained within this advisory is supplied  
"as-is" with no warranties or guarantees of fitness of use or otherwise.  
Permission is hereby granted for the redistribution of this advisory,  
provided that it is not altered except by reformatting it, and that due  
credit is given. Permission is explicitly given for insertion in  
vulnerability databases and similar, provided that due credit is given to  
the author. The author is not responsible for any misuse of the information  
contained herein and accepts no responsibility for any damage caused by the  
use or misuse of this information. The author prohibits any malicious use  
of security related information or exploits by the author or elsewhere. Do  
not attempt to download Malware samples. The author of this website takes  
no responsibility for any kind of damages occurring from improper Malware  
handling or the downloading of ANY Malware mentioned on this website or  
elsewhere. All content Copyright (c) (TM).