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Trojan.Win32.Hotkeychick.am Insecure Permissions

Trojan.Win32.Hotkeychick.am Insecure Permissions
Posted Feb 26, 2021
Authored by malvuln | Site malvuln.com

Trojan.Win32.Hotkeychick.am malware suffers from an insecure permissions vulnerability.

tags | exploit, trojan
systems | windows
MD5 | 466432b47b04405ef5ab3eec5f026a49

Trojan.Win32.Hotkeychick.am Insecure Permissions

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/5ea9840970e78188f73eb1763363eeac.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan.Win32.Hotkeychick.am
Vulnerability: Insecure Permissions
Description: The trojan creates an insecure dir named "Korektor_MPiPS-01" under c:\ drive, granting change (C) permissions to the authenticated user group. Standard users can rename the malware and reboot to disable it or replace with their own executable to escalate privileges when a privileged user logs on to the infected machine.
Type: PE32
MD5: 5ea9840970e78188f73eb1763363eeac
Vuln ID: MVID-2021-0114
Disclosure: 02/25/2015

Exploit/PoC:
C:\>cacls \Korektor_MPiPS-01
C:\Korektor_MPiPS-01 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 Korektor_MPiPS-01
Volume in drive C has no label.

Directory of C:\Korektor_MPiPS-01

02/25/2021 10:46 PM <DIR> .
02/25/2021 10:46 PM <DIR> ..
03/05/2019 12:09 PM 1,096,704 Asystent.exe
02/25/2021 10:46 PM 56 Asystent.ini
02/25/2021 10:46 PM <DIR> DBF
03/05/2019 12:07 PM 2,568 korektor_mpips-01.txt
10/29/2015 06:00 AM 55 korektor_mpips-01.URL
03/05/2019 12:09 PM 818,688 Statystyka MPiPS-01.xls
5 File(s) 1,918,071 bytes
3 Dir(s) 50,556,514,304 bytes free


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).
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