Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/982479ad10ff048d566516254051e17e.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan.Win32.Jorik.qje
Vulnerability: Insecure Permissions
Description:  Jorik.qje creates an insecure dir named "oDetnlQD" under c:\ drive and grants change (C) permissions to the authenticated user group. Standard users can rename the executables 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: 982479ad10ff048d566516254051e17e
Vuln ID: MVID-2021-0168
Dropped files: ogaGbWPp.exe
Disclosure: 04/13/2021

Exploit/PoC:
C:\>cacls oDetnlQD
C:\oDetnlQD BUILTIN\Administrators:(OI)(CI)(ID)F
            NT AUTHORITY\SYSTEM:(OI)(CI)(ID)F
            BUILTIN\Users:(OI)(CI)(ID)R
            NT AUTHORITY\Authenticated Users:(ID)C
            NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C

C:\>attrib -s -h oDetnlQD

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

 Directory of C:\oDetnlQD

10/10/2017  05:47 AM         1,093,682 ogaGbWPp.exe


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