TROJAN-DROPPER.WIN32.AGENT.BJTZCP / Insecure Permissions

2021.04.18
us malvuln (US) us
Risk: High
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/2992b86d03c3922ed45fa09ef105f018.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Trojan-Dropper.Win32.Agent.bjtzcp Vulnerability: Insecure Permissions Description: Agent.bjtzcp creates an insecure dir named "Isrimss2018" 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: 2992b86d03c3922ed45fa09ef105f018 Vuln ID: MVID-2021-0174 Disclosure: 04/17/2021 Exploit/PoC: C:\>cacls Isrimss2018 C:\Isrimss2018 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:\>dir Isrimss2018 Volume in drive C has no label. Directory of C:\Isrimss2018 12/30/2017 02:13 PM 108,544 Copia.mdb 12/12/2017 07:45 PM 112,640 DatosP.mdb 12/30/2017 02:13 PM 102,400 DatosPatron.mdb 01/20/2015 11:58 PM 37,888 Doc1F.doc 01/20/2015 11:59 PM 37,376 Doc1M.doc 01/20/2015 11:44 PM 37,888 Doc2F.doc 01/20/2015 11:45 PM 36,864 Doc2M.doc 01/21/2015 12:06 AM 37,376 Doc3F.doc 01/21/2015 12:06 AM 36,352 Doc3M.doc 01/21/2015 12:03 AM 37,376 Doc4F.doc 01/21/2015 12:04 AM 36,864 Doc4M.doc 01/25/2015 11:19 PM 46,080 Doc5F.doc 01/20/2015 11:53 PM 38,400 Doc5M.doc 01/20/2015 11:36 PM 45,056 Doc6F.doc 01/24/2015 01:23 AM 38,400 Doc6M.doc 01/20/2015 11:40 PM 37,376 Doc7F.doc 01/20/2015 11:39 PM 38,400 Doc7M.doc 01/20/2015 11:47 PM 36,864 Doc8F.doc 01/20/2015 11:48 PM 36,352 Doc8M.doc 01/20/2015 11:50 PM 37,888 Doc9F.doc 01/20/2015 11:51 PM 36,864 Doc9M.doc 03/30/2005 11:03 PM 766 impuicon.ico 01/26/2018 07:33 PM 7,551,939 ISRIMSS2018_2.CAB 02/07/2018 10:08 PM 3,821,568 ISRIMSS2018_2.exe 12/26/2015 02:18 PM 71,168 MANUALITO.doc 03/26/1999 12:00 AM 141,824 setup.exe 01/27/2018 11:44 AM 7,446 SETUP.LST 27 File(s) 12,607,959 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) Malvuln.com (TM).


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2021, cxsecurity.com

 

Back to Top