Virus.Win32.Sality_fd4515619f – 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):

%original file name%.exe:312

The Virus injects its code into the following process(es):

Explorer.EXE:1140

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:312 makes changes in the file system.

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

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%WinDir%\system.ini (70 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\ie-error[1].gif (43 bytes)

Registry activity

The process %original file name%.exe:312 makes changes in the system registry.

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1B 00 00 00 01 00 00 00 00 00 00 00"

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

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Aas\695404737]
"14338242" = "0"
"7169121" = "145"

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

[HKCU\Software\Aas\695404737]
"35845605" = "390"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Aas]
"a2_7" = "50179021"
"a2_6" = "43011373"
"a2_5" = "35840834"
"a2_4" = "28674968"
"a2_3" = "21510217"
"a2_2" = "14347528"
"a2_1" = "7175664"
"a2_0" = "9832"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Aas]
"a2_9" = "64527510"

"a4_5" = "35845605"
"a4_4" = "28676484"
"a4_7" = "50183847"
"a4_6" = "43014726"
"a4_1" = "7169121"
"a4_0" = "0"
"a4_3" = "21507363"
"a4_2" = "14338242"
"a4_9" = "64522089"
"a4_8" = "57352968"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

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

[HKCU\Software\Aas\695404737]
"50183847" = "8D482144D6AB9E65AB5D732E35BA327F2DCEC983D41A37D56DAFF40919CA9630CDF6902C1C5EAEE675386957562866F4069CED404BFAB7C8B60A4167F6A7847BEF830A6F30C03ADD6EA841B65CA653F5F5B7C53F251A450424A27E7AC478835F982AE213A3634E32F62DF34219E6C9D7744EEF2F97FD353F0C698D9D20F10EC0"

[HKCU\Software\Aas]
"a2_8" = "57358372"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

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

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3C BF 74 53 FF 50 CD BA 2A 17 76 CD 7F 7E 89 DF"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Aas]
"a1_0" = "3299283285"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Aas\695404737]
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

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

[HKCU\Software\Aas\695404737]
"28676484" = "35"

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

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

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

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

[HKCU\Software\Aas]
"a1_1" = "1129195820"
"a1_2" = "1603252887"
"a1_3" = "3592883066"
"a1_4" = "138977351"
"a1_5" = "3374050905"
"a1_6" = "109095674"
"a1_7" = "1584018921"
"a1_8" = "191387998"
"a1_9" = "3842876976"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

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

[HKCU\Software\Aas]
"a3_8" = "40388897"
"a3_9" = "47967552"
"a3_6" = "59977839"
"a3_7" = "67032206"
"a3_4" = "11991981"
"a3_5" = "52535244"
"a3_2" = "31040235"
"a3_3" = "4933386"
"a3_0" = "17001001"
"a3_1" = "23989832"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

Proxy settings are disabled:

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

The Virus modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

A firewall is disabled:

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

Antivirus notifications are disabled:

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

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

The Virus modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Virus modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "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"

The Virus deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

MD5	File path
b58a562b755ed0289949a285b3f8a8a5	c:\egrnkw.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):
%original file name%.exe:312
Delete the original Virus file.
Delete or disinfect the following files created/modified by the Virus:
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%WinDir%\system.ini (70 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\ie-error[1].gif (43 bytes)
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

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	83898	83968	4.61102	5e5acccb765f21d6756dfa225c9cbb7d
.rdata	90112	24450	24576	3.3004	6f7835a003d44762851e262f02b2a4dd
.data	114688	12780	4608	2.41194	8f8fc7645a4814b0ed293d70c6637578
.rsrc	131072	77824	75264	5.53685	b7e9b4b4bce6ba2b4df083938ad94cf3

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

The Virus connects to the servers at the folowing location(s):

Strings from Dumps

Explorer.EXE_1140_rwx_00FF0000_00002000:

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

.rsrc

.text

Explorer.EXE_1140_rwx_01E00000_00001000:

|explorer.exeM_1140_

Explorer.EXE_1140_rwx_03A00000_0108E000:

c:\windows

hXXp://jewellerybazaar.net/logo.gif

hXXp://casaebar.com.br/logo.gif

hXXp://canossadhule.in/logo.gif

hXXp://cansesiasknefesi.com/img/logo.gif

hXXp://how2gethazanat.ho.funpic.de/logo.gif

hXXp://VVV.evishop.de/logo.gif

hXXp://chihuahuaupinghome.com/logo.gif

hXXp://dehaspas.com/logo.gif

hXXp://devdijital.com/logo.gif

hXXp://sobrenaturalbr.net/logo.gif

hXXp://direitopublico.com.br/logo.gif

%System%\drivers\jomnk.sys

5192814616

.rsrc

.text

SHELL32.DLL

ShellExecuteA

KERNEL32.DLL

hXXp://89.119.67.154/testo5/

hXXp://kukutrustnet777.info/home.gif

hXXp://kukutrustnet888.info/home.gif

hXXp://kukutrustnet987.info/home.gif

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 2.0.50728)

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

Software\Microsoft\Windows\CurrentVersion\Internet Settings

Software\Microsoft\Windows\CurrentVersion

hXXp://VVV.klkjwre9fqwieluoi.info/

hXXp://kukutrustnet777888.info/

Software\Microsoft\Windows\CurrentVersion\policies\system

Software\Microsoft\Windows\ShellNoRoam\MUICache

%s:*:Enabled:ipsec

SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced

GdiPlus.dll

hXXp://

ipfltdrv.sys

VVV.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`.50728)

.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

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps