Trojan.X97M.URSNIF.AA

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.

It does not have any propagation routine.

It does not have any backdoor routine.

As of this writing, the said sites are inaccessible.

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 adds the following processes:

• wmiC "pROCEss" 'CalL''CReate' "POweRSHEll" {encoded malicious instructions}
• if download is successful:
  • rundll32.exe /s "%User Temp%\{random existing file}." "DllRegisterServer"

(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).)

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

• http://{BLOCKED}e.com/moc?{Machine GUID}
• http://{BLOCKED}r.com/moc?{Machine GUID}
• http://{BLOCKED}fattndel.vip/piv?{Machine GUID}
• http://{BLOCKED}aitalymail.online/enilno?{Machine GUID}
• http://{BLOCKED}amentolaniasicilia.website/etisbew?{Machine GUID}
• http://{BLOCKED}remicrosoft.red/der?{Machine GUID}

It saves the files it downloads using the following names:

• %User Temp%\{random existing file}.

(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).)

As of this writing, the said sites are inaccessible.

Information Theft

This Trojan gathers the following data:

• Machine GUID

Other Details

This Trojan does not exploit any vulnerability.

NOTES:

This Trojan does the following:

• It only proceeds to malicious instructions if Microsoft Office's interface language is set to Italian.
• The document contains the following message details luring users to enable macro content: