ThreatExpert Report: Trojan-Spy.Win32.Agent.afn, W32.Xema.A!inf, Troj/Agent-FXF..

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Submission Summary:

Submission details:

Submission received: 11 March 2009, 13:29:48
Processing time: 6 min 20 sec
Submitted sample:

File MD5: 0x3A0F5E8C29B85F58F70565CE7CA97B54
File SHA-1: 0x4F2A81336DA9304EA09FD61DDDDA237B5957A4AF
Filesize: 785,310 bytes
Alias:

W32.Xema.A!inf [Symantec]
Trojan-Spy.Win32.Agent.afn [Kaspersky Lab]
Troj/Agent-FXF [Sophos]
Virus.Trojan.Win32.VB [Ikarus]
Win32/Shlnom [AhnLab]

Summary of the findings:

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

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan-Spy.Agent!sd5	Trojan-Spy.Agent!sd5 is a malicious application that attempts to steal passwords, login details, and other confidential information.

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	%Programs%\Startup\officexp.exe %System%\c_10810.nls %System%\c_20462.nls %System%\serlibk.exe	121,020 bytes	MD5: 0x0B1A76BF40FF7CF04CCF78767C90F3A0 SHA-1: 0x942D1E256ECF82BCDF3B96959E5B11DAD2891C5C	W32.Xema.A [Symantec] Trojan-Spy.Win32.Agent.qj [Kaspersky Lab] WORM_AGENT.TBW [Trend Micro] Trojan-Spy.Win32.Agent.qj [Ikarus] Win-Trojan/Xema.121020 [AhnLab] packed with UPX [Kaspersky Lab]
2	%System%\c_19460.nls	12,800 bytes	MD5: 0xBAFFF5398FEBB7C782A92AF946F97C5F SHA-1: 0xE1FDC4AA16A61CFD31FFF8D237EA53FDF12F12E7	W32.Xema.A [Symantec] Backdoor.Win32.Agobot.h [Kaspersky Lab] Troj/Agent-FXF [Sophos] Backdoor.Win32.Agobot [Ikarus] Win32/IRCBot.worm.variant [AhnLab] packed with UPX [Kaspersky Lab]
3	%System%\inter32.dll	32,256 bytes	MD5: 0x98D6A44A32C883098E3F8C733C1A967F SHA-1: 0xA8216B891A97C15894885E72D33754BFCFAC4706	W32.Xema.A [Symantec] Trojan-Spy.Win32.Agent.qj [Kaspersky Lab] Generic PWS [McAfee] Troj/Agent-FXF [Sophos] Trojan-Spy.Win32.Agent.qj [Ikarus] Win-Trojan/Xema.variant [AhnLab] packed with UPX [Kaspersky Lab]
4	%System%\msregsv.exe	388,608 bytes	MD5: 0xEEB024F2C81F0D55936FB825D21A91D6 SHA-1: 0xDD47FF16176412EC2E170CDA441B4A220FF52F46	(not available)
5	[file and pathname of the sample #1]	785,310 bytes	MD5: 0x3A0F5E8C29B85F58F70565CE7CA97B54 SHA-1: 0x4F2A81336DA9304EA09FD61DDDDA237B5957A4AF	W32.Xema.A!inf [Symantec] Trojan-Spy.Win32.Agent.afn [Kaspersky Lab] Troj/Agent-FXF [Sophos] Virus.Trojan.Win32.VB [Ikarus] Win32/Shlnom [AhnLab]
6	%System%\shell64.dll	9,728 bytes	MD5: 0x6611BEC1006C595AB5D2A8A15A0B5D57 SHA-1: 0x60C2EE914720CDA41A22AE5385ED8D1028BE3CF1	W32.Xema.A [Symantec] Trojan-Spy.Win32.Agent.qj [Kaspersky Lab] Generic PWS [McAfee] Troj/Agent-FXF [Sophos] TrojanSpy:Win32/Agent [Microsoft] Trojan-Spy.Win32.Agent.qj [Ikarus] Win-Trojan/Xema.variant [AhnLab] packed with UPX [Kaspersky Lab]
7	%System%\shlmon.exe	40,960 bytes	MD5: 0x923ECF0946BE9516C5D08B8325505C99 SHA-1: 0x8A76092BB4BE8161FDA4B05D4E0DC143AD91BC72	W32.Xema.A!inf [Symantec] Trojan-Spy.Win32.Agent.afn [Kaspersky Lab] W32/Xema [McAfee] Troj/Agent-FXF [Sophos] Trojan-Spy.Win32.Agent.qj [Ikarus] Win32/Shlnom [AhnLab]
8	%System%\temp1.exe	623,326 bytes	MD5: 0xF03997E623BA8143BB52B916A1AE5788 SHA-1: 0x74A83DD6F4619A4743A6BF7D4104EBC7C8CA5F71	Trojan.Win32.VB.kln [Kaspersky Lab] Virus.Trojan.Win32.VB [Ikarus]

Notes:

%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.
%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
msregsv.exe	%System%\msregsv.exe	397,312 bytes

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
shell64.dll	%System%\shell64.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x18E0000 - 0x18EB000
inter32.dll	%System%\inter32.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x1900000 - 0x191A000

Notes:

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

Registry Modifications

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}\InProcServer32]

(Default) = "%System%\shell64.dll"

Other details

Analysis of the file resources indicate the following possible country of origin:

China

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