Edit Report

Our sensors found this exploit at:

Below is a copy:

Trojan-Downloader.Win32.Agent / Insecure Permissions
Discovery / credits: Malvuln - (c) 2022
Original source:
Contact: [email protected]

Threat: Trojan-Downloader.Win32.Agent
Vulnerability: Insecure Permissions
Description: The malware writes a PE file to the "Windows\System" directory 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: Agent
Type: PE32
MD5: fb3ac3c9d808de7f4b5ede68715f658f
Vuln ID: MVID-2022-0570
Dropped files: alg.exe
Disclosure: 04/26/2022 

C:\>cacls \Windows\System\alg.exe
C:\Windows\System\alg.exe BUILTIN\Administrators:(ID)F
                          NT AUTHORITY\SYSTEM:(ID)F
                          NT AUTHORITY\Authenticated Users:(ID)C

C:\>dir \Windows\System\alg.exe
 Volume in drive C has no label.

 Directory of C:\Windows\System

04/10/2022  01:18 AM           882,688 alg.exe
               1 File(s)        882,688 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).

Copyright ©2022 Exploitalert.

All trademarks used are properties of their respective owners. By visiting this website you agree to Terms of Use.