ThreatExpert Report: Trojan-Dropper.Win32.Agent.apfn, Infostealer.Daonol, Troj/Daonol-Fam..

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Submission Summary:

Submission details:

Submission received: 20 May 2009, 11:21:43
Processing time: 6 min 34 sec
Submitted sample:

File MD5: 0xD8277AA17BCACC1B77C1DF43F4C1FEAB
File SHA-1: 0x6F878CB46DADD1E1701964FDAB2CAC9B6E22A9D4
Filesize: 15,872 bytes
Alias & packer info:

Infostealer.Daonol [Symantec]
Trojan-Dropper.Win32.Agent.apfn [Kaspersky Lab]
Troj/Daonol-Fam [Sophos]
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 categories were identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

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%\rvpd.bha	18,944 bytes	MD5: 0x25DFA24C888BE9FD48E01B837A53EA6B SHA-1: 0x7685650025B26F34145A0290A32B320DB56588D4	Backdoor.Trojan [Symantec] Trojan-PSW.Win32.Kates.c [Kaspersky Lab] Troj/Daonol-Fam [Sophos] Trojan:Win32/Daonol.D [Microsoft] Trojan-PWS.Win32.Kates [Ikarus] Win-Trojan/Kates.18944 [AhnLab]
3	c:\_.e	15,872 bytes	MD5: 0xD8277AA17BCACC1B77C1DF43F4C1FEAB SHA-1: 0x6F878CB46DADD1E1701964FDAB2CAC9B6E22A9D4	Infostealer.Daonol [Symantec] Trojan-Dropper.Win32.Agent.apfn [Kaspersky Lab] Troj/Daonol-Fam [Sophos] 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%\..\rvpd.bha"

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