Trojan.Win32.Hosts2.yqf Insecure Permissions

Trojan.Win32.Hosts2.yqf malware suffers from an insecure permissions vulnerability.

MD5 | 6677ad9aed6d61f51559c907ef77ad19

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

Threat: Trojan.Win32.Hosts2.yqf
Vulnerability: Insecure Permissions
Description: Hosts2.yqf creates an insecure dir named "mlekaocYUmaae" 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: 274a6e846c5a4a2b3281198556e5568b
Vuln ID: MVID-2021-0162
Dropped files: HielDjixmHUfdeewc.exe
Disclosure: 04/07/2021

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

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