ThreatExpert Report: W32.Sality!dr, Virus.Win32.Sality.bh, W32/Sality.dr, Troj/SalLoad-C..

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Submission Summary:

Submission details:

Submission received: 11 April 2012, 09:39:33
Processing time: 10 min 47 sec
Submitted sample:

File MD5: 0x7AB16FB7EB96E1823492892F3DB75CE0
File SHA-1: 0x4867DF5E42B738C941FFB7EDE440943D6A94A016
Filesize: 103,140 bytes
Alias:

W32.Sality!dr [Symantec]
Virus.Win32.Sality.bh [Kaspersky Lab]
W32/Sality.dr [McAfee]
Troj/SalLoad-C [Sophos]
Virus:Win32/Sality.AT [Microsoft]
Win32.SuspectCrc [Ikarus]
Win32/Kashu.E [AhnLab]

Summary of the findings:

What's been found	Severity Level
Sets the drive to autoplay by creating autorun.inf file in its root directory. If the drive is shared across the network then other remote computers can be infected any time they try to access this share.
Modifies some system settings that may have negative impact on overall system security state.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\autorun.inf	291 bytes	MD5: 0xD364931D204277259EFF950B3E6AD175 SHA-1: 0xABCEDF9868407B60500655B7C0E348BD19BA00F3	Mal/AutoInf-A [Sophos]
2	c:\qhtfm.exe	103,140 bytes	MD5: 0x01A1E14420947683177559B73770F79E SHA-1: 0x73E11CCBB540816F33EE2EA1822013D281B339A7	W32.Sality!dr [Symantec] Virus.Win32.Sality.bh [Kaspersky Lab] W32/Sality.dr [McAfee] Troj/SalLoad-C [Sophos] Virus:Win32/Sality.AT [Microsoft] Virus.Win32.Sality [Ikarus] Win32/Kashu.E [AhnLab]
3	[file and pathname of the sample #1]	103,140 bytes	MD5: 0x7AB16FB7EB96E1823492892F3DB75CE0 SHA-1: 0x4867DF5E42B738C941FFB7EDE440943D6A94A016	W32.Sality!dr [Symantec] Virus.Win32.Sality.bh [Kaspersky Lab] W32/Sality.dr [McAfee] Troj/SalLoad-C [Sophos] Virus:Win32/Sality.AT [Microsoft] Win32.SuspectCrc [Ikarus] Win32/Kashu.E [AhnLab]

The following files were modified:

%Windir%\system.ini
%System%\cmd.exe
%System%\mmc.exe

Notes:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
%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
[filename of the sample #1]	[file and pathname of the sample #1]	81,920 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\Svc
HKEY_CURRENT_USER\Software\Apcrmkeh
HKEY_CURRENT_USER\Software\Apcrmkeh\-72398023
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AMSINT32
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AMSINT32\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_IPFILTERDRIVER
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_IPFILTERDRIVER\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\amsint32
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\amsint32\Security

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]

UacDisableNotify = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\Svc]

AntiVirusOverride = 0x00000001
AntiVirusDisableNotify = 0x00000001
FirewallDisableNotify = 0x00000001
FirewallOverride = 0x00000001
UpdatesDisableNotify = 0x00000001
UacDisableNotify = 0x00000001

to disable notification of firewall, antivirus and/or update status through the Windows Security Center

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]

EnableLUA = 0x00000000

[HKEY_CURRENT_USER\Software\Apcrmkeh\-72398023]

1919251285 = 0x0000009A
-456464726 = 0x00000000
1462786559 = 0x00000000
-912929452 = 0x00000023
1006321833 = 0x00000179
-1369394178 = "0A00687474703A2F2F61727164657369676E67762E636F6D2E62722F6C6F676F2F6C6F676F2E67696600687474703A2F2F617363682D626F75726A2E6F72672F6C6F676F2E67696600687474703A2F2F61736C692E67656E63626574612E636F6D2F696D616765732F6C6F676F2E67696600687474703A2F2F61736D6
549857107 = "8E2225FF2B08FF2912A018FCBA6C0121900B07DCFDB844C7C63EDC52388260A1429E364F13523A6C1EF77D5AE43F7B865D0F89BA0689E026565A28B1124748B021A680402108E95F42FB02A248154A05E3F10ADFB05B23FDF5B158DDADF7C9E42D42CAC829CC4F0DA6833F71EAE6624D19D3947E2FB957EA756CA523C

[HKEY_CURRENT_USER\Software\Apcrmkeh]

U1_0 = 0xC4A71155
U2_0 = 0x00002668
U3_0 = 0x01036A29
U4_0 = 0x00000000

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AMSINT32\0000]

Service = "amsint32"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "amsint32"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AMSINT32]

NextInstance = 0x00000001

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

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

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

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\amsint32\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\amsint32]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000001
ImagePath = "%System%\drivers\qmqln.sys"
DisplayName = "amsint32"

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]

AntiVirusOverride =
FirewallOverride =

Other details

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

uxJLpe1m
Ap1mutx7

The following port was open in the system:

Port	Protocol	Process
6822	UDP	[file and pathname of the sample #1]

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