ThreatExpert Report: W32.Virut.CF, W32/Sality.gen.z, Mal/Sality-D, Backdoor:Win32/Bifrose.AE..

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Submission Summary:

Submission details:

Submission received: 28 August 2012, 10:15:38
Processing time: 14 min 2 sec
Submitted sample:

File MD5: 0x1121C0E3F20E0BA167BF02A829F27E35
File SHA-1: 0xA0AAC004B170A5A418235FBF459900D57BCE703F
Filesize: 309,692 bytes
Alias:

W32.Virut.CF [Symantec]
W32/Sality.gen.z [McAfee]
Mal/Sality-D [Sophos]
Backdoor:Win32/Bifrose.AE [Microsoft]
Trojan.SuspectCRC [Ikarus]
Win32/Kashu.E [AhnLab]

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	%AppData%\addons.dat	24,635 bytes	MD5: 0x8A1E36C4FFD062A5278313B55EA205E5 SHA-1: 0x44DFBFD7C20D2EF8E755DB0497CF6F2E65493EA6	(not available)
2	%System%\Bifrost\logg.dat	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
3	%System%\Bifrost\server.exe [file and pathname of the sample #1]	309,692 bytes	MD5: 0x1121C0E3F20E0BA167BF02A829F27E35 SHA-1: 0xA0AAC004B170A5A418235FBF459900D57BCE703F	W32.Virut.CF [Symantec] W32/Sality.gen.z [McAfee] Mal/Sality-D [Sophos] Backdoor:Win32/Bifrose.AE [Microsoft] Trojan.SuspectCRC [Ikarus] Win32/Kashu.E [AhnLab]

Notes:

%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.
%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 files were modified:

[pathname with a string SHARE]\msinfo32.exe
[pathname with a string SHARE]\sapisvr.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\icwconn1.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\icwconn2.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\icwrmind.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\icwtutor.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\inetwiz.exe
%ProgramFiles%\Internet Explorer\Connection Wizard\isignup.exe
%ProgramFiles%\Internet Explorer\iedw.exe
%ProgramFiles%\Internet Explorer\IEXPLORE.EXE
%ProgramFiles%\MSN\MSNIA\msniasvc.exe
%ProgramFiles%\MSN\MSNIA\prestp.exe
%ProgramFiles%\MSN\MsnInstaller\msninst.exe
%ProgramFiles%\NetMeeting\cb32.exe
%ProgramFiles%\NetMeeting\conf.exe
%ProgramFiles%\NetMeeting\wb32.exe
%ProgramFiles%\Outlook Express\msimn.exe
%ProgramFiles%\Outlook Express\oemig50.exe
%ProgramFiles%\Outlook Express\setup50.exe
%ProgramFiles%\Outlook Express\wab.exe
%ProgramFiles%\Outlook Express\wabmig.exe
%ProgramFiles%\Web Publish\WPWIZ.EXE
%ProgramFiles%\Windows Media Player\migrate.exe
%ProgramFiles%\Windows Media Player\mplayer2.exe
%ProgramFiles%\Windows Media Player\setup_wm.exe
%ProgramFiles%\Windows Media Player\wmplayer.exe
%ProgramFiles%\Windows NT\Accessories\wordpad.exe
%ProgramFiles%\Windows NT\dialer.exe
%ProgramFiles%\Windows NT\hypertrm.exe
%ProgramFiles%\Windows NT\Pinball\PINBALL.EXE
%Windir%\Cache\Adobe Reader 6.0.1\ENUBIG\setup.exe
%Windir%\hh.exe
%Windir%\inf\unregmp2.exe
%Windir%\Installer\{350C97B0-3D7C-4EE8-BAA9-00BCB3D54227}\places.exe
%Windir%\Microsoft.NET\Framework\NETFXSBS10.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\aspnet_regbrowsers.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\aspnet_regsql.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\dfsvc.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\IEExec.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\jsc.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
%Windir%\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
%Windir%\msagent\agentsvr.exe
%Windir%\mui\muisetup.exe
%Windir%\NOTEPAD.EXE
%Windir%\pchealth\helpctr\binaries\HelpCtr.exe
%Windir%\pchealth\helpctr\binaries\HelpHost.exe
%Windir%\pchealth\helpctr\binaries\HelpSvc.exe
%Windir%\pchealth\helpctr\binaries\HscUpd.exe
%Windir%\pchealth\helpctr\binaries\msconfig.exe
%Windir%\pchealth\helpctr\binaries\notiflag.exe
%Windir%\pchealth\UploadLB\Binaries\UploadM.exe
%Windir%\regedit.exe
%System%\accwiz.exe
%System%\actmovie.exe
%System%\ahui.exe
%System%\arp.exe
%System%\asr_fmt.exe
%System%\asr_ldm.exe
%System%\asr_pfu.exe
%System%\at.exe
%System%\atmadm.exe
%System%\attrib.exe
%System%\auditusr.exe
%System%\blastcln.exe
%System%\bootcfg.exe
%System%\bootok.exe
%System%\bootvrfy.exe
%System%\cacls.exe
%System%\calc.exe
%System%\charmap.exe
%System%\chkdsk.exe
%System%\chkntfs.exe
%System%\cidaemon.exe
%System%\cipher.exe
%System%\cisvc.exe
%System%\ckcnv.exe
%System%\cleanmgr.exe
%System%\clean_all.exe
%System%\cliconfg.exe
%System%\clipbrd.exe
%System%\clipsrv.exe
%System%\cmd.exe
%System%\cmdl32.exe
%System%\cmmon32.exe
%System%\cmstp.exe
%System%\Com\comrepl.exe
%System%\Com\comrereg.exe
%System%\comp.exe
%System%\compact.exe
%System%\conime.exe
%System%\control.exe
%System%\convert.exe
%System%\cscript.exe
%System%\ctfmon.exe
%System%\dcomcnfg.exe

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following directories were created:

c:\System Volume Information\.
c:\System Volume Information\..
%System%\Bifrost

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
server.exe	%System%\bifrost\server.exe	35,168 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	35,168 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{0F953677-9720-F611-19DE-A5FF7425654F}
HKEY_LOCAL_MACHINE\SOFTWARE\Bifrost
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\msvideo
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
HKEY_CURRENT_USER\Software\Bifrost

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{0F953677-9720-F611-19DE-A5FF7425654F}]

stubpath = "%System%\Bifrost\server.exe s"

so that server.exe runs every time Windows starts

[HKEY_LOCAL_MACHINE\SOFTWARE\Bifrost]

nck = ED 1B E6 27 B9 28 D6 32 74 C3 CD 74 FA 93 5B 67

[HKEY_CURRENT_USER\Software\Bifrost]

klg = 01
plg1 = EA 44 DC 02 A3 27 D7 5F 11 AD B9 07 DA F2 35 03 2A 35 8E 58 1B 0E 11 94 D4 F9 28 1F 11 4D 98 BC D2 64 44 8E CD F9 B9 BA 23 BD 45 ED 15 A6 77 AF B8 7C 04 4D 90 91 58 5F 81 61 19 72 00 4E 53 7A E1 AB E6 8B 30 CA 34 56 F9 AD AD F8 4D 41 0F F6 9F 90 A2 1

Other details

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

Saudi Arabia

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

uxJLpe1m

The following Host Names were requested from a host database:

ashq002.no-ip.biz
vb.rubon.at
lczeoy.com
hbhhyt.com
dduroh.com
xaiajf.com
jafnqy.com
bmumjr.com
okupsm.com
kobzle.com
keydjx.com
jqu.meiu.pl
gxbvzy.com
bkerfs.com
gsykga.com
giarck.com
apepam.com
qtiuum.com
xairkx.com
rmsyyo.com
wgrova.com
daacup.com
uqznlp.com
nva.tim4.ru
hqaxhw.com
eioicj.com
rqiibp.com
javvzu.com
zqzaky.com
nuyyjo.com
zevjer.com
sfbglv.com
rcalkk.com
czwzas.com
icwayz.com
bb.bigex.pl
jdxzty.com
njyhew.com
squvia.com
vaegya.com
ddeiid.com
gtjval.com
oygfss.com
utaenu.com
wiwyfy.com
gmduch.com
yurbix.com
dq.lilke.ru
vsmbgt.com
vsaifc.com
wuwivr.com
xdoiui.com
myuepi.com
lobjao.com
ofpfas.com
eryaqu.com
ytlzrm.com
jaeugx.com
aaunlw.com
uanhiv.com
uuacwl.com
saiemn.com
yopiqk.com
mtygmm.com
wpgcuk.com
bqpkcy.com
okaaih.com
kiwvug.com
gygkxd.com
zpuovr.com
iwkejz.com
auuyia.com
ugrcoc.com
qgokzn.com
awolek.com
vrawes.com
emonds.com
eyxuyg.com
yoebok.com
hherrh.com
aoayih.com
sdxhar.com
lpayij.com
mvpxgo.com
lvyofz.com
uyedra.com
rlapca.com
oitxby.com
eudhni.com
uqeyyy.com
rbkzey.com
ypvhlz.com
xnftmf.com
yfubbn.com
ikqyny.com
vpyeyb.com
xuspup.com
pymesa.com
adfiap.com
imfcmp.com

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
ashq002.no-ip.biz	81
lczeoy.com	443
114.112.255.81	80

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