Submission Summary:

What's been foundSeverity Level
Threat characteristics of the Storm worm (aka CME-711/Peacomm/Nuwar/Zhelatin/Tibs). This threat is normally received as an email attachment; it may consist of a rootkit, a peer-to-peer client, and a mass-mailing worm component. To bypass firewalls, its code may be injected and run from the legitimate services.exe process.
Capability to send out email message(s) with the built-in SMTP client engine.
Searching for email addresses by enumerating files with the certain extensions. This functionality is used by mass-mailers and spam-bots.
Backdoor functionality: connected remote users are able to perform multiple actions on the compromised system.
Stealth-mode characteristics common to Rootkits.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
A network-aware worm that attempts to replicate across the existing network(s)

 

File System Modifications

#Filename(s)File SizeFile Hash
1 [file and pathname of the sample #1] 114,688 bytes MD5: 0xAD3BDE6BFEB43A92EB29C44F46BFCB5C

#Filename(s)File SizeFile Hash
1 %System%\burito.ini 39,339 bytes MD5: 0xEDEC0D2C472B98EDD7D16AF4726F4689
2 %System%\burito5e84-1216.sys 129,792 bytes MD5: 0xC4B9DD12714666C0707F5A6E39156C11

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]122,880 bytes

Process NameProcess FilenameAllocated Size
services.exe%System%\services.exe135,168 bytes

Driver NameDriver Filename
burito5e84-1216%System%\burito5e84-1216.sys

 

Registry Modifications

 

Heuristics Analysis

 

 

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