ThreatExpert Report: Trojan.Gen, P2P-Worm.Win32.Palevo.dmlo, Backdoor:Win32/Zegost.H..

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Submission Summary:

Submission details:

Submission received: 22 October 2012, 10:53:12
Processing time: 9 min 6 sec
Submitted sample:

File MD5: 0x7B64679D10FA221612C11A5B2787C042
File SHA-1: 0x1C8CC4982F37632922BB48E5935B1AAC09BA997E
Filesize: 178,688 bytes
Alias:

Trojan.Gen [Symantec]
P2P-Worm.Win32.Palevo.dmlo [Kaspersky Lab]
Backdoor:Win32/Zegost.H [Microsoft]
Backdoor.Win32.Zegost [Ikarus]

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 categories were identified:

Threat Category	Description
	A network-aware worm that attempts to replicate across the existing network(s)
	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	%ProgramFiles%\Giidy\Kjotj.dll	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%System%\bak8011252.log	32 bytes	MD5: 0x46525D5665EB34AD79F2B75FF27A8659 SHA-1: 0x83C7AA2AF8CCD12F45D116ADDF7295EB3217FB0A	(not available)
3	[file and pathname of the sample #1]	178,688 bytes	MD5: 0x7B64679D10FA221612C11A5B2787C042 SHA-1: 0x1C8CC4982F37632922BB48E5935B1AAC09BA997E	Trojan.Gen [Symantec] P2P-Worm.Win32.Palevo.dmlo [Kaspersky Lab] Backdoor:Win32/Zegost.H [Microsoft] Backdoor.Win32.Zegost [Ikarus]
4	%System%\WinX86.log	11 bytes	MD5: 0xD1C56374FFF0243832B8696D133B7861 SHA-1: 0xF4D236FDEC2FD03914189C3B26E5CB0DFEA9D761	(not available)

Notes:

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

The following directory was created:

%ProgramFiles%\Giidy

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]	188,416 bytes
[generic host process]	[generic host process filename]	45,056 bytes

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
?????	??? ??c?	"Running"	%System%\svchost.exe -k krnlsrvc

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost]

krnlsrvc = 01 F8 F2 F5 04 00

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "?????"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000]

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004]

NextInstance = 0x00000001

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

0 = "Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????\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\?????\Parameters]

ServiceDll = "C:\PROGRA~1\Giidy\Kjotj.dll"
ServiceMain = "EnterThisPlease"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\?????]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\svchost.exe -k krnlsrvc"
DisplayName = "??? ??c?"
ObjectName = "LocalSystem"
Description = "Nvag Ljjbvjq Jrgl Thyripj gikyx."

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "?????"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000]

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_*0001*00F8*00F2*00F5*0004]

NextInstance = 0x00000001

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

0 = "Root\LEGACY_*0001*00F8*00F2*00F5*0004\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????\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\?????\Parameters]

ServiceDll = "C:\PROGRA~1\Giidy\Kjotj.dll"
ServiceMain = "EnterThisPlease"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\?????]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\svchost.exe -k krnlsrvc"
DisplayName = "??? ??c?"
ObjectName = "LocalSystem"
Description = "Nvag Ljjbvjq Jrgl Thyripj gikyx."

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

To mark the presence in the system, the following Mutex objects were created:

?????
ServiceInstalling

The data identified by the following URL was then requested from the remote web server:

http://77777yb.com/yb012/sp/list.txt

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