TROJ_UPATRE.ZF

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It 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 as an attachment to email messages spammed by other malware/grayware or malicious users.

It 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%\{random characters}.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other Details

This Trojan connects to the following possibly malicious URL:

• http://{BLOCKED}.{BLOCKED}.226.59:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.203.43:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.49.11:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.247.74:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.31.6:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.123.210:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.94.38:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.38.100:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.193.74:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.231.104:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.191.245:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.199.21:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.103.27:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.197.50:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.68.78:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.49.117:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.238.170:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.138.154:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.210.122:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.217.188:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.131.116:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.20.53:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.144.177:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.159.18:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.156.246:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.36.52:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.236.173:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.229.215:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.195.6:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.197.54:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.201.222:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.201.61:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.242.203:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.171.44:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.204.114:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.10.116:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.82.80:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.81.120:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.30.156:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.45.226:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.160.146:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.120.214:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.76.211:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.64.45:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.104.170:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.142.189:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.116.76:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.130.9:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.107.172:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.17.39:443/ritai21.tar
• http://{BLOCKED}.{BLOCKED}.90.166:{random port}/260821U/{User Name}/0/{OS info}/0/{value}