ThreatExpert Report: Trojan-Spy.Win32.Agent.arms

Submission Summary:

Submission details:

Submission received: 20 May 2009, 18:44:38
Processing time: 5 min 12 sec
Submitted sample:

File MD5: 0x95A2C43A986FDA2CEF6914A7CA994297
File SHA-1: 0x36D606DE5EE58BE57C1AD7FEED38CE1240F3812F
Filesize: 54,272 bytes
Alias: Trojan-Spy.Win32.Agent.arms [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%ProgramFiles%\Common Files\System\x_msy32.dll	28,160 bytes	MD5: 0x91E9D8C196D04D3D69906AEF162237D9 SHA-1: 0x980D404EB54844EDE622EAE75301551F6D901A03	(not available)
2	[file and pathname of the sample #1]	54,272 bytes	MD5: 0x95A2C43A986FDA2CEF6914A7CA994297 SHA-1: 0x36D606DE5EE58BE57C1AD7FEED38CE1240F3812F	Trojan-Spy.Win32.Agent.arms [Kaspersky Lab]

Note:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

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]	61,440 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_X_MSY
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_X_MSY\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_X_MSY\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\x_msy
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\x_msy\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_X_MSY
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_X_MSY\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_X_MSY\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\x_msy
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\x_msy\Enum

The newly created Registry Values are:

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

*NewlyCreated* = 0x00000000
ActiveService = "x_msy"

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

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

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

NextInstance = 0x00000001

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\x_msy]

ImagePath = "\??\%ProgramFiles%\Common Files\System\x_msy32.dll"
DisplayName = "x_msy"
Type = 0x00000001
Start = 0x00000001
ErrorControl = 0x00000000

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

*NewlyCreated* = 0x00000000
ActiveService = "x_msy"

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

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

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

NextInstance = 0x00000001

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\x_msy]

ImagePath = "\??\%ProgramFiles%\Common Files\System\x_msy32.dll"
DisplayName = "x_msy"
Type = 0x00000001
Start = 0x00000001
ErrorControl = 0x00000000

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

ProxyEnable = 0x00000000

The following Registry Value was modified:

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

Cookies = "%UserProfile%\Cookies"
Cache = "%LocalSettings%\Temporary Internet Files"
History = "%LocalSettings%\History"

Other details

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

Russian Federation

To mark the presence in the system, the following Mutex object was created:

UserSoftMutex_64

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
mysoft-forum.com	80	(null)	(null)

The following GET requests were made:

zamena_stats/index.php?m=39&e=B8B55B35DA50779D&y=46&c=90&v=7&sp=2&pp=0
ipx.php?id=1
zamena_stats/index.php?m=39&e=B8B55B35DA50779D&y=46&c=90&v=7&sp=2&pp=1

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