Gen.Variant.Kazy.498795_4849a0a8eb – Adaware

Dynamic Analysis

Payload

Behaviour	Description
EmailWorm	Worm can send e-mails.

Process activity

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

%original file name%.exe:1092

Mutexes

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

File activity

The process %original file name%.exe:1092 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)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL21G5UX\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\M4FCD7EL\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL0ZQTA7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\KLMNSPUV\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL21G5UX\ic[1].htm (224 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL0ZQTA7\ip138[1].htm (3745 bytes)

Registry activity

The process %original file name%.exe:1092 makes changes in the system registry.

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

[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"

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

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

"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\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"

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "74 1F 6B 28 F0 B5 EF 26 D4 8D 95 9F 92 7D 66 0C"

[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"

[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

There are no dropped PE files.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

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*

Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
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)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL21G5UX\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\M4FCD7EL\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL0ZQTA7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\KLMNSPUV\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL21G5UX\ic[1].htm (224 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CL0ZQTA7\ip138[1].htm (3745 bytes)
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

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

Static Analysis

VersionInfo

Company Name: Microsoft Corporation
Product Name: 2007 Microsoft Office system
Product Version: 12.0.6612.1000
Legal Copyright: (c) 2006 Microsoft Corporation. All rights reserved.
Legal Trademarks:
Original Filename: WinWord.exe
Internal Name: WinWord
File Version: 12.0.6612.1000
File Description: Microsoft Office Word
Comments:
Language: Language Neutral

Company Name: Microsoft CorporationProduct Name: 2007 Microsoft Office systemProduct Version: 12.0.6612.1000Legal Copyright: (c) 2006 Microsoft Corporation. All rights reserved.Legal Trademarks: Original Filename: WinWord.exeInternal Name: WinWordFile Version: 12.0.6612.1000File Description: Microsoft Office WordComments: Language: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	562539	0	0	d41d8cd98f00b204e9800998ecf8427e
.rdata	569344	237866	0	0	d41d8cd98f00b204e9800998ecf8427e
.data	811008	296970	0	0	d41d8cd98f00b204e9800998ecf8427e
.rsrc	1110016	917504	200704	5.33448	d291f5ea3b617fc39009f6c2b24221cc
.vmp0	2027520	12360	0	0	d41d8cd98f00b204e9800998ecf8427e
.vmp1	2043904	747882	749568	5.50205	63a651a7a40a45acedeeeba89d6acfe6
.reloc	2793472	116	4096	0.167123	dd961e71773c63a0ece234e43e0317ce

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://www.ip138.com/	203.130.61.92
1111.ip138.com	183.238.101.232

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET / HTTP/1.1

Accept: */*

Accept-Language: zh-cn

Content-Type: application/x-www-form-urlencoded

User-Agent: Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1)

Host: VVV.ip138.com

Cache-Control: no-cache

HTTP/1.1 200 OK

Date: Sun, 17 May 2015 02:48:08 GMT

Content-Length: 16641

Content-Type: text/html

Content-Location: hXXp://VVV.ip138.com/index.htm

Last-Modified: Thu, 07 May 2015 13:19:40 GMT

Accept-Ranges: bytes

ETag: "1c4c2379c888d01:b4cb"

Server: Microsoft-IIS/6.0

X-Powered-By: ASP.NET

Age: 51023

X-Via: 1.1 kf48:10 (Cdn Cache Server V2.0)

Connection: keep-alive

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">..<html>..<head>..<meta http-equiv="Content-Type" content="text/html; charset=gb2312">..<meta name="mobile-agent"content="format=html5; url=hXXp://m.ip138.com/">..<title>IP........--.................. | ............ | ............ | ........................</title>..<meta name="Keywords" content="ip,IP....,IP........,ip138">..<meta name="Description" content="ip,IP....,IP........,ip138">..<script language="javascript">..<!--..if(window.top!=window.self)window.top.location.href='hXXp://VVV.ip138.com/';..function checkIP()..{...var ipArray,ip,j;...ip = document.ipform.ip.value;...if (ip.indexOf(" ")>=0){....ip = ip.replace(/ /g,"");....document.ipform.ip.value = ip;...}...if (ip.toLowerCase().indexOf("http://")==0){....ip = ip.slice(7);....document.ipform.ip.value = ip;...}...if (ip.toLowerCase().indexOf("hXXps://")==0){....ip = ip.slice(8);....document.ipform.ip.value = ip;...}...if (ip.slice(ip.length-1)=="/"){....ip = ip.slice(0,ip.length-1);....document.ipform.ip.value = ip;...}...if(/[A-Za-z_-]/.test(ip)){....if(!/^([\w-] \.) ((top)|(com)|(net)|(org)|(gov\.cn)|(info)|(cc)|(com\.cn)|(net\.cn)|(org\.cn)|(name)|(biz)|(tv)|(cn)|(mobi)|(name)|(sh)|(ac)|(io)|(tw)|(com\.tw)|(hk)|(com\.hk)|(ws)|(travel)|(us)|(tm)|(la)|(me\.uk)|(org\.uk)|(ltd\.uk)|(plc\.uk)|(in)|(eu)|(it)|(jp)|(co)|(me)|(mx)|(ca)|(ag)|(com\.co)|(net\.co)|(nom\.co)|(com\.ag)|(net\.ag)|(fr)|(org\.ag)|(am)|(asia)|(at)|(be)|(bz)

<<< skipped >>>

Map

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

Strings from Dumps

%original file name%.exe_1092:

.text

`.rdata

@.data

.rsrc

@.vmp0

.vmp1

.reloc

t$(SSh

~%UVW

u$SShe

Kernel32.dll

kernel32.dll

user32.dll

wininet.dll

advapi32.dll

shlwapi.dll

EnumWindows

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

1.2.9

bbs.125.la

?hXXp://VVV.ip138.com

https

Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1)

http=

HTTP/1.1

Content-Type: application/x-www-form-urlencoded

hXXps://

hXXp://

0@C:\Windir\wind.dat

C:\Windir\

QQ.exe

99999999

%Documents and Settings%\

D:\My Documents\Tencent Files\

C:\Users\

%Documents and Settings%\Administrator\Application Data\Tencent\Users\

scripting.FileSystemObject

360tray.exe

360tray.exe|

360sd.exe

360sd.exe|

kxetray.exe

kxetray.exe|

QQPCTray.exe

QQPCTray.exe|

RavMonD.exe

RavMonD.exe|

avp.exe

avp.exe|

egui.exe

egui.exe|

knsdtray.exe

knsdtray.exe|

KvMonXP.exe

KvMonXP.exe|

Mcshield.exe

Mcshield.exe|

TMBMSRV.exe

TMBMSRV.exe|

@hXXp://im.qq.com/pcqq/

&QQPassWord=

'77/7&*\

(7),01444

'9=82<.342>

~%xkW

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

ole32.dll

__MSVCRT_HEAP_SELECT

iphlpapi.dll

SHLWAPI.dll

MPR.dll

VERSION.dll

WSOCK32.dll

.PAVCException@@

.PAVCNotSupportedException@@

.PAVCFileException@@

(*.prn)|*.prn|

(*.*)|*.*||

Shell32.dll

Mpr.dll

Advapi32.dll

User32.dll

Gdi32.dll

(&07-034/)7 '

?? / %d]

%d / %d]

: %d]

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

(*.WAV)|*.WAV|MIDI

(*.MID)|*.MID|

(*.txt)|*.txt|

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

(*.JPG)|*.JPG|BMP

(*.BMP)|*.BMP|GIF

(*.GIF)|*.GIF|

(*.ICO)|*.ICO|

(*.CUR)|*.CUR|

%s:%d

windows

out.prn

%d.%d

%d / %d

%d/%d

Bogus message code %d

(%d-%d):

%ld%c

%s

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

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

HELO %s

SMTP

AUTH LOGIN

LOGIN

AUTH=LOGIN

EHLO %s

Content-Type: application/octet-stream; name=%s

Content-Disposition: attachment; filename=%s

MAIL FROM:

RCPT TO:

%d%d%d

rundll32.exe shell32.dll,

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

VVV.dywt.com.cn

.PAVCOleException@@

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCOleDispatchException@@

.PAVCArchiveException@@

zcÃ

cmon.exe

8f33c3edbaed8a5e389d.exe

X-Powered-By: ASP.NET

c:\%original file name%.exe

@^p.WN

c~k-V}

*CSC %Fj;

.LHD/

989464442

989946442

99;948444

999:;4643

MR*G.Hd@

.fA@0

.ADDDDDDDD

%F?WJAikC

Microsoft

Office Word

`.data

@.reloc

d:\build\ob\bora-184368\bora\build\release\ws\modules\vmnetwindows\notify\win2k\i386\vmnetbridge.pdb

PSSh0!@

_amsg_exit

msvcrt.dll

RegQueryInfoKeyW

RegDeleteKeyW

RegCloseKey

RegCreateKeyExW

RegOpenKeyExW

RegEnumKeyExW

ADVAPI32.dll

KERNEL32.dll

USER32.dll

OLEAUT32.dll

VMnetBridge.dll

version="1.0.0.0"

name="VMware.VMware.vmnetBridge"

OpenParamKey

@phkeyWWWX

GetSupportedNotificationsWWW

ForceRemove {3d09c1ca-2bcc-40b7-b9bb-3f3ec143a87b} = s 'VMware Bridge notifier object'

hXXp://ocsp.verisign.com0

"hXXp://crl.verisign.com/tss-ca.crl0

Thawte Certification1

0hXXp://crl.verisign.com/ThawteTimestampingCA.crl0

.Class 3 Public Primary Certification Authority0

2Terms of use at hXXps://VVV.verisign.com/rpa (c)041.0,

hXXps://VVV.verisign.com/rpa01

hXXp://crl.verisign.com/pca3.crl0

.Class 3 Public Primary Certification Authority

/hXXp://CSC3-2004-crl.verisign.com/CSC3-2004.crl0D

hXXps://VVV.verisign.com/rpa0

hXXp://ocsp.verisign.com0?

3hXXp://CSC3-2004-aia.verisign.com/CSC3-2004-aia.cer0

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

n.aAHu

hXXp://VVV.vmware.com/0

Q.eR6

1=.TN

?k

Rz3%1S

IhXXp://ns.adobe.com/xap/1.0/

xmlns:dc="hXXp://purl.org/dc/elements/1.1/"

xmlns:xmpRights="hXXp://ns.adobe.com/xap/1.0/rights/"

xmlns:photoshop="hXXp://ns.adobe.com/photoshop/1.0/"

xmlns:Iptc4xmpCore="hXXp://iptc.org/std/Iptc4xmpCore/1.0/xmlns/"

xmpRights:WebStatement=""

Iptc4xmpCore:CiUrlWork=""/>

1.MWcW1

KRQ2x.QiZj

J.sWEC"Q;M

o%FwL

w.Bq*/

@iTXtXML:com.adobe.xmp

^q'.NtE

.vz{bV

`i.cY

hXXp://VVV.19Talk.com

3.2.1

3.2.2

3.2.3

3.2.4

3.2.5

3.8.1

3.8.2

3.8.3

3.8.4

3.8.5

3.8.6

4.2.1

4.2.2

4.2.3

4.2.4

4.2.5

4.2.6

4.2.7

4.2.8

4.2.9

4.2.10

4.2.11

6.2.1

6.2.2

6.2.3

6.2.4

8.1.1

8.1.2

8.1.3

4444444

-400076(

rZZZZZZZZTXXYWhZ".GPMGH ZZZZZZZZZZZZZZZxfiiu

rZZZZZZZZXUUXXUUW5.MRRPM ZZZZZZZZZZ

7777777777777777

777777777777777

.nzazzzzzzzV

0000000

)*@*@*@*@*@*@*@*@*

6660666/.36

%%%%----

|%%%----|

==65410-"!

==;:99:;==

06000000000060

06006400460060

05,,52,,25,,50

14444446

4444444774444444

0000000000000000

#.%(77(%.#

;:889777666444

77766444

7776664

%##$ ""***!!!!

&%##$ ""**!!!!

&%##$ ""***!!!

&&&%##""***!!!

"""**!!!

.%%:7))))7:*!!

-"""***!

(9)9.&&!

(7)4..-)

297./7)9&&-

297493:0.., #

:797:(1.&9)9%

22221110}

87796..4:3);&

8:99779;00.

2222111

?"444488:::#

?*8@@//3@3

1:7 --,$

3333111

xoxxxxxxxxxxxxxoxxxxxxxnxoIxnxexnxexeexxI96646464646464

6868888

{|{|{{{{

?000300=

^*U

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps