Trojan.X97M.CVE20170199.PFKNA

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan drops the following files:

• %User Temp%\{GUID}\YandexPackSetup.exe <- Detected as Trojan.Win32.BODEGUN.B.
• %Temporary Internet Files%\Content.IE5\{random numbers & letters}p3.p3.p3.doc <- Detected as Trojan.W97M.CVE201711882.SMN

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Temporary Internet Files% is the Temporary Internet Files folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temporary Internet Files on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Microsoft\Windows\Temporary Internet Files on Windows Vista, 7 and 2008(64-bit), or C:\Users\{user name}\AppData\Local\Microsoft\Windows\INetCache on Windows 8, 8.1, 2012(64-bit) and 10(64-bit).)

Download Routine

This Trojan connects to the following URL(s) to download its component file(s):

• http://{BLOCKED}.6/{BLOCKED}3.doc

Other Details

This Trojan does the following:

• The user may be tricked into enabling content by a message that appears on their screen. However, if they do enable the content, the document can execute malicious code on the user's system.