ThreatExpert Report: Trojan-Dropper.Win32.Dapato.bkar, PWS-Zbot.gen.aab, Mal/Generic-L..

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Submission Summary:

Submission details:

Submission received: 17 August 2012, 10:12:51
Processing time: 7 min 35 sec
Submitted sample:

File MD5: 0xFDB7E9CD20905689F873CCA7FB13CB30
File SHA-1: 0x67CA6EF4A772E5802CD395C1011CBACD552F7F70
Filesize: 222,720 bytes
Alias:

Trojan-Dropper.Win32.Dapato.bkar [Kaspersky Lab]
PWS-Zbot.gen.aab [McAfee]
Mal/Generic-L [Sophos]
Trojan-PWS.Win32.Zbot [Ikarus]

Summary of the findings:

What's been found	Severity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Creates a startup registry entry.
Registers a 32-bit in-process server DLL.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\xqrbpsqezgldmtf2nqwkvbtpxppyuvrb\svcnost.exe	222,720 bytes	MD5: 0xFDB7E9CD20905689F873CCA7FB13CB30 SHA-1: 0x67CA6EF4A772E5802CD395C1011CBACD552F7F70	Trojan-Dropper.Win32.Dapato.bkar [Kaspersky Lab] PWS-Zbot.gen.aab [McAfee] Mal/Generic-L [Sophos] Trojan-PWS.Win32.Zbot [Ikarus]

Note:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.

The following directory was created:

%AppData%\xqrbpsqezgldmtf2nqwkvbtpxppyuvrb

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]	2,174,976 bytes

Attention! The following processes were intentionally hidden from the user:

Process Name	Main Module Size
[filename of the sample #1]	2,174,976 bytes
[filename of the sample #1]	2,174,976 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\DefaultIcon
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\InProcServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\Version
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\HELPDIR
HKEY_CURRENT_USER\Software\ASProtect
HKEY_CURRENT_USER\Software\ASProtect\SpecData

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\VersionIndependentProgID]

(Default) = "AutoDiscovery.Mail"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\Version]

(Default) = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\TypeLib]

(Default) = "{BC9CD1EA-D86F-E350-C828-BE7300261E1A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\ProgID]

(Default) = "AutoDiscovery.Mail.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\InProcServer32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}\DefaultIcon]

(Default) = "%System%\autodisc.dll,7"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF989DA2-8272-4373-C1BA-D0AAD4177AFC}]

(Default) = "Bezobar.Evelimpen Object"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\0\win32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\HELPDIR]

(Default) = "%System%\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0\0]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}\1.0]

(Default) = "DfsShlEx 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BC9CD1EA-D86F-E350-C828-BE7300261E1A}]

(Default) = ""

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

Windows Init = ""%AppData%\xqrbpsqezgldmtf2nqwkvbtpxppyuvrb\svcnost.exe""

so that svcnost.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\ASProtect\SpecData]

(Default) = "73C2167373C21673"
73C2167373C21673 = B6 99 D1 0F 50 BF 4A 14 D4 73 CE 6E A1 E1 46 1A 0A D8 C1 0F 7C 43 C5 06 8E 15 6F E4 53 54

Other details

The following Host Names were requested from a host database:

192.5.5.241
tazl.ru

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

Remote Host	Port Number
tazl.ru	443

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