Virus.Win32.Sality_a1fef972ca – Adaware

Dynamic Analysis

Payload

Behaviour	Description
WormAutorun	A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Virus's file once a user opens a drive's folder in Windows Explorer.

Process activity

The Virus creates the following process(es):No processes have been created.The Virus injects its code into the following process(es):

%original file name%.exe:376
Explorer.EXE:692

File activity

The process %original file name%.exe:376 makes changes in the file system.

The Virus creates and/or writes to the following file(s):

%WinDir%\system.ini (70 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (840 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\vroxtl.exe (741 bytes)
C:\fcsjgn.pif (103 bytes)
C:\autorun.inf (207 bytes)
%Program Files%\Common Files\Java\Java Update\jusched.exe (856 bytes)

The Virus deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\vroxtl.exe (0 bytes)

Registry activity

The process %original file name%.exe:376 makes changes in the system registry.

The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Security Center]
"UacDisableNotify" = "1"

[HKCU\Software\Aas]
"a1_0" = "456026198"

[HKCU\Software\Aas\695404737]
"35845605" = "267"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
"EnableLUA" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"

[HKCU\Software\Aas\695404737]
"50183847" = "23E4F7F25F8A545EF07859773043475EDD1D103E2D9C27F1F3A268ED09F30DE884DB9D92FD831B72EEF599E8C233EB23FBE7145BFA46281679ED385593CEE8869548167F08C5681A4B967232DBC5E0E01EC06026FCE8B24FCB589B28C073413E3C9C326851C4731397E851C96D85B6EDDDAA4E25FA227776D385991927AE94FC"
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

[HKCU\Software\Aas]
"a3_0" = "17001001"

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"

[HKCU\Software\Aas\695404737]
"21507363" = "0"

[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallOverride" = "1"

[HKCU\Software\Aas\695404737]
"14338242" = "0"
"7169121" = "136"

"28676484" = "35"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UacDisableNotify" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden" = "2"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallOverride" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FB 9F 28 33 31 29 4C ED B0 73 0E AA AB 84 93 1B"

[HKCU\Software\Aas]
"a2_0" = "8203"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"

[HKCU\Software\Aas]
"a4_0" = "0"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "1"

Firewall notifications are disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:]
"%original file name%.exe" = "c:\%original file name%.exe:*:Enabled:ipsec"

Antivirus notifications are disabled:

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"

[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusDisableNotify" = "1"

A firewall is disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"

To automatically run itself each time Windows is booted, the Virus adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Keyboard Inf." = "c:\%original file name%.exe"

Dropped PE files

MD5	File path
7e4a8d528583eaa7426ff579a405c2aa	c:\fcsjgn.pif

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Virus's file once a user opens a drive's folder in Windows Explorer.

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
Delete the original Virus file.
Delete or disinfect the following files created/modified by the Virus:
%WinDir%\system.ini (70 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\Reader_sl.exe (840 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\vroxtl.exe (741 bytes)
C:\fcsjgn.pif (103 bytes)
C:\autorun.inf (207 bytes)
%Program Files%\Common Files\Java\Java Update\jusched.exe (856 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Keyboard Inf." = "c:\%original file name%.exe"
Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: English (United States)

Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.code	4096	30617	30720	3.69706	3a4bfcb59229041794d416569ecb170d
.text	36864	52141	52224	4.411	494809271f46b0b784725f6c52af2d69
.rdata	90112	228	512	0.771125	461cc1d3ae57efe5cf2a8f2051d02559
.data	94208	19484	18944	2.33296	7499e2fee4b7274eecaff15af525f4a4
.rsrc	114688	81920	79360	5.53825	b4ee9a89348a1fe3de5ae6a6745420a9

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

Strings from Dumps

%original file name%.exe_376:

.code

.text

`.rdata

@.data

.rsrc

D:\[Fan-Project]\[PB] Fan Admin\void\main.pb

D:\[Fan-Project]\[PB] Fan Admin\void\random.pb

D:\[Fan-Project]\[PB] Fan Admin\void\uda1vars.pb

D:\[Fan-Project]\[PB] Fan Admin\void\uda1.pb

D:\[Fan-Project]\[PB] Fan Admin\void\min.pb

D:\[Fan-Project]\[PB] Fan Admin\void\native.pb

D:\[Fan-Project]\[PB] Fan Admin\void\resources.pb

D:\[Fan-Project]\[PB] Fan Admin\void\process.pb

D:\[Fan-Project]\[PB] Fan Admin\void\crypo1.pb

D:\[Fan-Project]\[PB] Fan Admin\void\wrequest.pb

D:\[Fan-Project]\[PB] Fan Admin\void\string.pb

D:\[Fan-Project]\[PB] Fan Admin\void\settings.pb

D:\[Fan-Project]\[PB] Fan Admin\void\sets.pb

D:\[Fan-Project]\[PB] Fan Admin\void\run.pb

D:\[Fan-Project]\[PB] Fan Admin\void\protect.pb

D:\[Fan-Project]\[PB] Fan Admin\void\registry.pb

D:\[Fan-Project]\[PB] Fan Admin\void\mmdelay.pb

MSVCRT.dll

KERNEL32.dll

USER32.DLL

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

%original file name%.exe

c:\%original file name%.exe

http://althawry.org/images/xs.jpg

http://www.careerdesk.org/images/xs.jpg

http://arthur.niria.biz/xs.jpg

http://amsamex.com/xs.jpg

http://apple-pie.in/images/xs.jpg

http://ahmediye.net/xs.jpg

http://g2.arrowhitech.com/xs.jpg

http://ampyazilim.com.tr/images/xs2.jpg

ssterfc.com/images/xs.jpg

http://soneo.fr/img/xs.jpg

http://meliknakis.com/logo.gif

http://stretfordendflags.com/images/xs.jpg

http://zonaelectro.ro/images/xs.jpg

http://68.168.222.206/logos.gif

.info/J

home.gifI888

h.rata

Bkrnl.exe?

= =$=(=,=

322%2`.50727)

.klkjw:9fqwi

FamXf39.sys

.pBTa8

%s:*:

Bg.laXV

&?%x=

GUrlA'

Web%w|nc

HTTP)

2GUARDCMD.

.ENHCDM

PL/KPCKwWEB

MM.PFW.

.bssf

J:CRT

ADVAPI32.dll

SHELL32.dll

USER32.dll

WS2_32.dll

RegCloseKey

SHFileOperationA

70282100110061095030

30328109411410996041

7077607540812082

607950633080

3043210361265096

70531108310251052064

3096410670968106

20623112610751114066

%original file name%.exe_376_rwx_0041D000_00011000:

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

%original file name%.exe

.rsrc

.code

c:\%original file name%.exe

http://althawry.org/images/xs.jpg

http://www.careerdesk.org/images/xs.jpg

http://arthur.niria.biz/xs.jpg

http://amsamex.com/xs.jpg

http://apple-pie.in/images/xs.jpg

http://ahmediye.net/xs.jpg

http://g2.arrowhitech.com/xs.jpg

http://ampyazilim.com.tr/images/xs2.jpg

ssterfc.com/images/xs.jpg

http://soneo.fr/img/xs.jpg

http://meliknakis.com/logo.gif

http://stretfordendflags.com/images/xs.jpg

http://zonaelectro.ro/images/xs.jpg

http://68.168.222.206/logos.gif

.info/J

home.gifI888

.text

KERNEL32.dll

h.rata

Bkrnl.exe?

= =$=(=,=

322%2`.50727)

.klkjw:9fqwi

FamXf39.sys

.pBTa8

%s:*:

Bg.laXV

&?%x=

GUrlA'

Web%w|nc

HTTP)

2GUARDCMD.

.ENHCDM

PL/KPCKwWEB

MM.PFW.

.bssf

J:CRT

ADVAPI32.dll

MSVCRT.dll

SHELL32.dll

USER32.dll

WS2_32.dll

RegCloseKey

SHFileOperationA

%original file name%.exe_376_rwx_00A10000_0108E000:

c:\windows

http://althawry.org/images/xs.jpg

http://www.careerdesk.org/images/xs.jpg

http://arthur.niria.biz/xs.jpg

http://amsamex.com/xs.jpg

http://apple-pie.in/images/xs.jpg

http://ahmediye.net/xs.jpg

http://g2.arrowhitech.com/xs.jpg

http://ampyazilim.com.tr/images/xs2.jpg

%System%\drivers\qlrig.sys

4908592321

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

.rsrc

.code

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

.text

KERNEL32.dll

USER32.dll

h.rdata

H.data

.reloc

ntoskrnl.exe

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)

Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache

Software\Microsoft\Windows\CurrentVersion\Internet Settings

Software\Microsoft\Windows\CurrentVersion

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Software\Microsoft\Windows\CurrentVersion\policies\system

Software\Microsoft\Windows\ShellNoRoam\MUICache

%s:*:Enabled:ipsec

SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced

GdiPlus.dll

http://

ipfltdrv.sys

www.microsoft.com

?%x=%d

&%x=%d

SYSTEM.INI

USER32.DLL

.%c%s

\\.\amsint32

NTDLL.DLL

autorun.inf

ADVAPI32.DLL

win%s.exe

%s.exe

WININET.DLL

InternetOpenUrlA

avast! Web Scanner

Avira AntiVir Premium WebGuard

cmdGuard

cmdAgent

Eset HTTP Server

ProtoPort Firewall service

SpIDer FS Monitor for Windows NT

Symantec Password Validation

WebrootDesktopFirewallDataService

WebrootFirewall

%d%d.tmp

SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

%s\%s

%s\Software\Microsoft\Windows\CurrentVersion\Ext\Stats

Software\Microsoft\Windows\CurrentVersion\Ext\Stats

SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects

Explorer.exe

A2CMD.

ASHWEBSV.

AVGCC.AVGCHSVX.

DRWEB

DWEBLLIO

DWEBIO

FSGUIEXE.

MCVSSHLD.

NPFMSG.

SYMSPORT.

WEBSCANX.

.adata

M_%d_

%c%d_%d

?456789:;<=

!"#$%&'()* ,-./0123

GetProcessHeap

GetWindowsDirectoryA

RegEnumKeyExA

RegDeleteKeyA

RegOpenKeyExA

RegCreateKeyA

RegCloseKey

SHFileOperationA

&3&3&3&389

.rdata

.data

Bkrnl.exe?

= =$=(=,=

322%2`.50727)

.klkjw:9fqwi

FamXf39.sys

.pBTa8

%s:*:

Bg.laXV

&?%x=

GUrlA'

Web%w|nc

HTTP)

2GUARDCMD.

.ENHCDM

PL/KPCKwWEB

MM.PFW.

.bssf

J:CRT

ADVAPI32.dll

MSVCRT.dll

SHELL32.dll

WS2_32.dll

%original file name%.exe_376_rwx_01AE0000_00002000:

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

.rsrc

.code

%original file name%.exe_376_rwx_01AF0000_00001000:

|%original file name%.exeM_376_

Explorer.EXE_692_rwx_00E70000_00002000:

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

.rsrc

.code

Explorer.EXE_692_rwx_00E80000_00001000:

|explorer.exeM_692_

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps