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Date: Mon, 18 Apr 2022 21:28:22 -0400
From: malvuln <>
Subject: [FD] Trojan.Win32.TScash.c / Insecure Permissions

Discovery / credits: Malvuln - (c) 2022
Original source:

Threat: Trojan.Win32.TScash.c
Vulnerability: Insecure Permissions
Description: The malware writes a PE file with insecure permissions to c
drive granting 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.
Family: TScash
Type: PE32
MD5: 9d18d318e017b513b9c6cd193ccdc6ff
Vuln ID: MVID-2022-0555
Dropped files: tscash.exe
Disclosure: 04/18/2022

C:\>cacls tscash.exe
C:\tscash.exe BUILTIN\Administrators:(ID)F
              NT AUTHORITY\Authenticated Users:(ID)C

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

 Directory of C:\

02/18/2013  04:48 PM            49,664 tscash.exe
               1 File(s)         49,664 bytes

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