ThreatExpert Report: Backdoor.Trojan, Trojan:Win32/Daonol.D

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Submission Summary:

Submission details:

Submission received: 19 May 2009, 15:48:25
Processing time: 5 min 6 sec
Submitted sample:

File MD5: 0x2131112053ED144C46277B9024BCF39F
File SHA-1: 0xEB589EEAA53A56A499C79B298D01676EC6D1DE8F
Filesize: 15,872 bytes
Alias & packer info:

Backdoor.Trojan [Symantec]
packed with: PE_Patch.UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\e.bat	76 bytes	MD5: 0x00D6F2FB76E6B34C85268A43823A8AE3 SHA-1: 0x07FC751F674A4EB9142F692E9B5A0F3BF4532B56	(not available)
2	%Windir%\sabgvje.tgd	18,432 bytes	MD5: 0x66EEA84570BA643C48727B4A9C5ED362 SHA-1: 0x203CDB2E44F0AC556A3BA1F4F4CDEC89465107A7	Backdoor.Trojan [Symantec] Trojan:Win32/Daonol.D [Microsoft]
3	c:\_.e	15,872 bytes	MD5: 0x2131112053ED144C46277B9024BCF39F SHA-1: 0xEB589EEAA53A56A499C79B298D01676EC6D1DE8F	Backdoor.Trojan [Symantec] packed with PE_Patch.UPX [Kaspersky Lab]

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following file was modified:

%System%\sqlsodbc.chm

Notes:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

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]	69,632 bytes

Registry Modifications

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32]

aux = "%System%\..\sabgvje.tgd"

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