ThreatExpert Report: Trojan-Downloader.Win32.VB.avo, Backdoor.Trojan

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Submission Summary:

Submission details:

Submission received: 28 August 2012, 19:31:48
Processing time: 8 min 15 sec
Submitted sample:

File MD5: 0xAEF6E0EB3C79F733AB2695AB5B1B073B
File SHA-1: 0x7A5437A419368504F71629B2CE923479C69DC7DD
Filesize: 70,144 bytes
Alias & packer info:

Trojan-Downloader.Win32.VB.avo [Ikarus]
packed with: PE_Patch.PECompact [Kaspersky Lab]

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	%System%\cardctrl.exe [file and pathname of the sample #1]	70,144 bytes	MD5: 0xAEF6E0EB3C79F733AB2695AB5B1B073B SHA-1: 0x7A5437A419368504F71629B2CE923479C69DC7DD	Trojan-Downloader.Win32.VB.avo [Ikarus] packed with PE_Patch.PECompact [Kaspersky Lab]
2	%System%\drivers\usbinckey.sys	11,520 bytes	MD5: 0x15B1139EE23BA9A376DDB7F60BFDE577 SHA-1: 0xF50CA545255217186738231417CB90A81C5F146B	(not available)
3	%System%\usbinckey.dll	39,424 bytes	MD5: 0x370A2CF649B181B64DD8300B20BEAECB SHA-1: 0x93CE2C6C295FBC818450391A3F277AEF1A0C6B3E	Backdoor.Trojan [Symantec] packed with PE_Patch.PECompact [Kaspersky Lab]
4	%Windir%\Temp\fuc3.tmp	125 bytes	MD5: 0xAFFF34D5FCCACCF5241D605A29BAD92C SHA-1: 0xD7A2704A671AF69EF2DC8734C6B2848BE9F50E06	(not available)

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

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	114,688 bytes
cardctrl.exe	%System%\cardctrl.exe	114,688 bytes

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

Module Name	Module Filename	Address Space Details
usbinckey.dll	%System%\usbinckey.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x920000 - 0x93B000
usbinckey.dll	%System%\usbinckey.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x6A0000 - 0x6BB000

Notes:

[generic host process filename] is a full path filename of [generic host process].

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
cardctrl	Windows Cards Manager	"Stopped"	%System%\cardctrl.exe

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig\DEBUG
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig\DEBUG]

Trace Level = ""

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "cardctrl"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL\0000]

Service = "cardctrl"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Windows Cards Manager"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_CARDCTRL]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "usbinckey"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY\0000]

Service = "usbinckey"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "usbinckey"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBINCKEY]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl\Enum]

0 = "Root\LEGACY_CARDCTRL\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\cardctrl]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\cardctrl.exe"
DisplayName = "Windows Cards Manager"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey\Enum]

0 = "Root\LEGACY_USBINCKEY\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\usbinckey]

Type = 0x00000001
Start = 0x00000001
ErrorControl = 0x00000001
ImagePath = "%System%\Drivers\usbinckey.sys"
DisplayName = "usbinckey"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "cardctrl"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL\0000]

Service = "cardctrl"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Windows Cards Manager"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_CARDCTRL]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "usbinckey"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY\0000]

Service = "usbinckey"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "usbinckey"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBINCKEY]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl\Enum]

0 = "Root\LEGACY_CARDCTRL\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cardctrl]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\cardctrl.exe"
DisplayName = "Windows Cards Manager"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey\Enum]

0 = "Root\LEGACY_USBINCKEY\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbinckey]

Type = 0x00000001
Start = 0x00000001
ErrorControl = 0x00000001
ImagePath = "%System%\Drivers\usbinckey.sys"
DisplayName = "usbinckey"

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

ProxyEnable = 0x00000000

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]

(Default) =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]

(Default) =

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]

Cookies =
History =

Other details

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

China

The following Host Names were requested from a host database:

192.5.5.241
206.137.17.89
8.8.8.8
8.8.4.4
208.67.222.222
165.87.201.244
209.166.160.36
168.95.192.1
info.10086chongzhi.com

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
img.10086chongzhi.com	80	(null)	(null)

The following HTTP URL was started reading:

http://img.10086chongzhi.com/20120727.jpg

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