ThreatExpert Report: Trojan:Win32/Meredrop

Submission Summary:

Submission details:

Submission received: 24 September 2012, 14:59:26
Processing time: 7 min 37 sec
Submitted sample:

File MD5: 0x4EAC1B53A51D329B3C977E9808152EFF
File SHA-1: 0xA62B75818D9731F93CB1DECBFA32AE841300BD59
Filesize: 162,916 bytes
Alias: Trojan:Win32/Meredrop [Microsoft]

Summary of the findings:

What's been found	Severity Level
A network-aware worm that uses known exploit(s) in order to replicate across vulnerable networks.
MS04-011: LSASS Overflow exploit - replication across TCP 445 (common for Sasser, Bobax, Kibuv, Korgo, Gaobot, Spybot, Randex, other IRC Bots).
Contains characteristics of an identified security risk.

Technical Details:

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Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	162,916 bytes	MD5: 0x4EAC1B53A51D329B3C977E9808152EFF SHA-1: 0xA62B75818D9731F93CB1DECBFA32AE841300BD59	Trojan:Win32/Meredrop [Microsoft]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	180,224 bytes

Other details

The following Host Name was requested from a host database:

192.5.5.241

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
192.5.5.241	1033

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