Trojan-Dropper.Win32.Agent.wxl Insecure Permissions

Trojan-Dropper.Win32.Agent.wxl malware suffers from an insecure permissions vulnerability.

MD5 | 09ad4bc3be0c8f1d01e69223ad13dbaf

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: Trojan-Dropper.Win32.Agent.wxl
Vulnerability: Insecure Permissions
Description: The malware creates a dir 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: 8b17a68d7b2291f217b63e0377ee2b3a
Vuln ID: MVID-2021-0273
Dropped files: 1.bat, 1.dll
Disclosure: 07/03/2021

C:\>cacls AntivirAsistant
C:\AntivirAsistant BUILTIN\Administrators:(OI)(CI)(ID)F
NT AUTHORITY\Authenticated Users:(ID)C
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C

C:\>dir AntivirAsistant
Volume in drive C has no label.

Directory of C:\AntivirAsistant

06/27/2021 02:57 AM 38 1.bat
06/27/2021 02:57 AM 194,560 1.dll
2 File(s) 194,598 bytes

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