Gen.Variant.Strictor.22279_12dee02191 – Adaware

Dynamic Analysis

Payload

Behaviour	Description
EmailWorm	Worm can send e-mails.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1148

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

Mutexes

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

File activity

The process %original file name%.exe:1148 makes changes in the file system.

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

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\config\system (2484 bytes)
%WinDir%\ProtectS.sys (1281 bytes)
C:\ProtectS.sys (236 bytes)
%Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@163[1].txt (169 bytes)
%System%\config (288 bytes)
%System%\config\SYSTEM.LOG (4793 bytes)

The Trojan deletes the following file(s):

C:\ProtectS.sys (0 bytes)
%System%\drivers\etc\hosts (0 bytes)

Registry activity

The process %original file name%.exe:1148 makes changes in the system registry.

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

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

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

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

[HKLM\System\CurrentControlSet\Services\ProtectS\Instances\ProtectS Instance]
"Flags" = "0"

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

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

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

[HKLM\System\CurrentControlSet\Services\ProtectS\Instances]
"DefaultInstance" = "ProtectS Instance"

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

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

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

[HKLM\System\CurrentControlSet\Services\ProtectS\Instances\ProtectS Instance]
"Altitude" = "360054"

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C6 F1 CA 9F 7A 80 CA FE 54 18 FC A0 45 DF F6 14"

[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\Internet Settings]
"MigrateProxy" = "1"

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

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

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

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

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

"ProxyBypass" = "1"

Proxy settings are disabled:

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

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

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

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

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

Dropped PE files

MD5	File path
d4713595f01fc42591338b2740f7e072	c:\WINDOWS\ProtectS.sys

HOSTS file anomalies

No changes have been detected.

Rootkit activity

Using the driver "\??\%WinDir%\ProtectS.sys" the Trojan controls creation and closing of processes by installing the process notifier.

Using the driver "\??\%WinDir%\ProtectS.sys" the Trojan controls loading executable images into a memory by installing the Load image notifier.

The Trojan installs the following kernel-mode hooks:

ZwCreateKey
ZwOpenKey
ZwOpenProcess
ZwTerminateProcess

Propagation

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*

Scan a system with an anti-rootkit tool.
Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:1148
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\config\system (2484 bytes)
%WinDir%\ProtectS.sys (1281 bytes)
C:\ProtectS.sys (236 bytes)
%Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@163[1].txt (169 bytes)
%System%\config\SYSTEM.LOG (4793 bytes)

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

Static Analysis

VersionInfo

Company Name:
Product Name: Microsoft? Visual Studio .NET
Product Version: 3.14.10.20
Legal Copyright: ????
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 3.14.10.20
File Description:
Comments: Microsoft Corporation
Language: English (United States)

Company Name: Product Name: Microsoft? Visual Studio .NETProduct Version: 3.14.10.20Legal Copyright: ????Legal Trademarks: Original Filename: Internal Name: File Version: 3.14.10.20File Description: Comments: Microsoft CorporationLanguage: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	1076639	1077248	4.52288	61642b2f2c11834b0e1308f2117ad088
.rdata	1081344	1523182	1523712	4.5552	0be11fb38a8bf0e37b7a9ed3a93e2e8a
.data	2605056	432074	122880	3.86888	ec669982563ceb0c2edf0da06320c821
.rsrc	3039232	36864	36864	3.69069	c4b53791403a26c654946f0d248c09b2

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 Trojan connects to the servers at the folowing location(s):

Strings from Dumps

%original file name%.exe_1148:

.text

`.rdata

@.data

.rsrc

t%SVh

t$(SSh

D$8h%f

huDP

~%UVW

t.It It

u$SShe

kernel32.dll

advapi32.dll

Kernel32.dll

shlwapi.dll

Mem|LzmaLib.dll

LzmaLib_32.dll

ws2_32.dll

Ws2_32.dll

GetProcessHeap

RegOpenKeyA

RegCloseKey

GetWindowsDirectoryA

RegOpenKeyExA

RegCreateKeyExA

RegFlushKey

\Data\Model.axp

.ngwf

>yT.dQK_

B&.UdBc

1e:%Cv

B1 C.pI18C8

%).LpU

R%DH0

ip%sh

{P&n%X

e$I.aj

s0G'hB%X

"(7%X

Ã›sOwP

.Op"[P/

.pP`M

R.eS>

VX.yg

h.rdata

H.data

.reloc

SSSSh

Game.exe

explorer.exe

Find:%d-%d

Process Id=%d, Parent Id=%d, Process Name=%s, Parent Name=%s

csrss.exe

taskmgr.exe

svchost.exe

f:\baiduy~1\0618\drv\release\i386\MxDriver.pdb

ZwQueryValueKey

ZwOpenKey

ZwSetValueKey

ZwCreateKey

RtlFormatCurrentUserKeyPath

ZwDeleteKey

ntoskrnl.exe

HAL.dll

FltCloseCommunicationPort

FltCloseClientPort

FltCreateCommunicationPort

FLTMGR.SYS

1

g%Fx"

5%D"|rah

I_kf:.Gi

Gf.WUF

).wpv2

,%sPJu^

ZQftpJ

4[p%s

G%^ .Zj

&hXXps://VVV.globalsign.com/repository/03

"hXXp://crl.globalsign.net/root.crl0

&hXXps://VVV.globalsign.com/repository/0

1hXXp://crl.globalsign.com/gs/gstimestampingg2.crl0T

8hXXp://secure.globalsign.com/cacert/gstimestampingg2.crt0

-hXXp://crl.globalsign.com/gs/gscodesigng2.crl0

4hXXp://secure.globalsign.com/cacert/gscodesigng2.crt04

(hXXp://ocsp2.globalsign.com/gscodesigng20

DhXXp://crl.microsoft.com/pki/crl/products/MicrosoftCodeVerifRoot.crl0

.pdata

f:\baiduy~1\0618\drv\release\amd64\MxDriver.pdb

ZM%Xs

.AE5p

.RT$%

-.Jo8

]o%fk"X

ENg.OT

SOFTWARE\Microsoft\Windows NT\CurrentVersion

Windows 10

Windows 8.1

Windows 8

Windows 7

Windows Vista

Windows Server 2003

Windows XP

Windows 2000

\Bin\lpk.dll

\lpk.dll

\DirectX9\lpk.dll

\Bin\USP10.DLL

\USP10.DLL

\DirectX9\USP10.DLL

.rdata

.data

.idata

.adata

>.sLC

%uk>`

3iY#.%s

.sa/y,O

xp.En

Invalid allocation size: %u bytes.

Client hook allocation failure at file %hs line %d.

_CrtCheckMemory()

_CrtIsValidHeapPointer(pUserData)

Allocation too large or negative: %u bytes.

Client hook re-allocation failure at file %hs line %d.

DAMAGE: after %hs block (#%d) at 0xX.

DAMAGE: before %hs block (#%d) at 0xX.

memory check error at 0xX = 0xX, should be 0xX.

%hs located at 0xX is %u bytes long.

%hs allocated at file %hs(%d).

DAMAGE: on top of Free block at 0xX.

Bad memory block found at 0xX.

_CrtMemCheckPoint: NULL state pointer.

_CrtMemDifference: NULL state pointer.

crt block at 0xX, subtype %x, %u bytes long.

normal block at 0xX, %u bytes long.

client block at 0xX, subtype %x, %u bytes long.

%hs(%d) :

#File Error#(%d) :

Data: %s

%s(%d) : %s

_CrtDbgReport: String too long or IO Error

Second Chance Assertion Failed: File %s, Line %d

user32.dll

Debug %s!

Program: %s%s%s%s%s%s%s%s%s%s%s

__MSVCRT_HEAP_SELECT

portuguese-brazilian

LZMA.dll

The procedure entry point %s could not be located in the dynamic link library %s

The ordinal %u could not be located in the dynamic link library %s

E:\Lzma465-Good\LzmaLib\Debug\LZMA.pdb

LzmaLib.dll

\System.cfg

\Data\Interface.axp

\data.axp

.dates

,WepSpy,WpASpy,WpeSpy.dll,monitor.dll,theworld.dll,tcp-z.dll,dutool.dll,alchemy.dll,cmdial32.dll,cyshock.dll,kUserHook.dll,xiprad.dll

@hXXp://

tConfig.exe

\Game.exe

Function Getcpuid()

Set cpuSet = GetObject("winmgmts:{impersonationLevel=impersonate}").InstancesOf("Win32_Processor")

getcpuid=cpu.ProcessorId

Getcpuid

,127.0.0.1:

,1,201,3,1,0,

\Patch\LoginServer.txt

\\.\PhysicalDrive0

0.0.0.0

127.0.0.1

\Game.log

profile@game.sohu.com,

,.!-0!/3

DG"FI&CI&?K&=L'>O(?Q)@R*AT*CW-EX.FX-GV*KR&MS"MS#OV)LZ,J].I^1J^4M\5QZ1W_ \c,Y` T^.O`0Lb0Kc1Lc1Ne3Oe4Pf4Rh3Tk4Tm5Tn6Tk8Ti;Ui=Xk;Wm:Xo9Yq9Yr8Yt9Zu:\v9_w7et7ju7nx:g{]v?^w@_wBayBcyBh}@d

j CrT1

anonymous@123.com

.exe|.rar|.zip|.gif|.jpg|.mp3|.rm

15.09.10 - ABE|

10.00.00

t^.cI

?1/)/-&/,&/,%. $-*#.,%0-&. $/,&0-&,)"0-'/,%. $0-&-*#0-&-*#,(!. %/,&.,%.,%0-'0.'0.'0.'0.'0-'0-'0-'0.'0-&/,&/,&/,&. %,)" ( /,%0-'. $. %/-&. $. $/-&.,%/,&/,&/,&,)". $0-'-*#. %/-&. $*&

@game.sohu.com

%d&&'

123456789

00003333

1.2.18

%*.*f

CNotSupportedException

commctrl_DragListMsg

Afx:%x:%x:%x:%x:%x

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

MSWHEEL_ROLLMSG

ole32.dll

Broken pipe

Inappropriate I/O control operation

Operation not permitted

RASAPI32.dll

iphlpapi.dll

SHLWAPI.dll

MPR.dll

WINMM.dll

WS2_32.dll

VERSION.dll

MSVFW32.dll

AVIFIL32.dll

WinExec

GetCPInfo

KERNEL32.dll

GetKeyState

CreateDialogIndirectParamA

UnhookWindowsHookEx

SetWindowsHookExA

USER32.dll

GetViewportOrgEx

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

GDI32.dll

WINSPOOL.DRV

comdlg32.dll

ADVAPI32.dll

ShellExecuteA

SHELL32.dll

OLEAUT32.dll

COMCTL32.dll

oledlg.dll

HttpQueryInfoA

HttpSendRequestA

HttpOpenRequestA

InternetCrackUrlA

InternetCanonicalizeUrlA

WININET.dll

.PAVCException@@

Shell32.dll

Mpr.dll

Advapi32.dll

User32.dll

Gdi32.dll

(&07-034/)7 '

?? / %d]

%d / %d]

.PAVCFileException@@

: %d]

(*.*)|*.*||

(*.WAV;*.MID)|*.WAV;*.MID|WAV

(*.WAV)|*.WAV|MIDI

(*.MID)|*.MID|

(*.txt)|*.txt|

(*.JPG;*.PNG;*.BMP;*.GIF;*.ICO;*.CUR)|*.JPG;*.PNG;*.BMP;*.GIF;*.ICO;*.CUR|JPG

(*.JPG)|*.JPG|PNG

(*.PNG)|*.PNG|BMP

(*.BMP)|*.BMP|GIF

(*.GIF)|*.GIF|

(*.ICO)|*.ICO|

(*.CUR)|*.CUR|

\\.\Scsi0:

%s:%d

windows

.PAVCNotSupportedException@@

out.prn

(*.prn)|*.prn|

%d.%d

%d/%d

1.6.9

unsupported zlib version

png_read_image: unsupported transformation

%d / %d

Bogus message code %d

libpng error: %s

libpng warning: %s

1.1.3

bad keyword

libpng does not support gamma background rgb_to_gray

Palette is NULL in indexed image

(%d-%d):

%ld%c

(*.htm;*.html)|*.htm;*.html

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

HTTP/1.0

%s

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

%a, %d %b %Y %H:%M:%S

SMTP

VVV.dywt.com.cn

x86 Family %s Model %s Stepping %s

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps