Gen.Variant.Strictor.51471_520d14718e – 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:1316

Mutexes

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

File activity

The process %original file name%.exe:1316 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\O5U309QN\desktop.ini (67 bytes)
%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\SDUFG1UB\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\LI89X7A7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\78WS68I9\desktop.ini (67 bytes)

Registry activity

The process %original file name%.exe:1316 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 1B 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4F D8 23 55 85 AF EB E6 18 8F D2 71 E9 F2 DC CE"

[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"

[HKCU\Software\Microsoft\Multimedia\DrawDib]
"vga.drv 1276x846x32(BGR 0)" = "31,31,31,31"

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\O5U309QN\desktop.ini (67 bytes)
%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\SDUFG1UB\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\LI89X7A7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\78WS68I9\desktop.ini (67 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: QQ228843415
Product Name: ??
Product Version: 1.0.0.0
Legal Copyright: QQ228843415 ????
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.0
File Description: ??QQ???????
Comments: ??
Language: Chinese (Simplified, PRC)

Company Name: QQ228843415Product Name: ??Product Version: 1.0.0.0Legal Copyright: QQ228843415 ????Legal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.0File Description: ??QQ???????Comments: ??Language: Chinese (Simplified, PRC)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
UPX0	4096	630784	0	0	d41d8cd98f00b204e9800998ecf8427e
UPX1	634880	491520	491520	5.47197	53851dfc1226759e749426b38ab0f805
.rsrc	1126400	32768	32768	3.8305	807ae39735a33ec2ae060e54fc7258e8

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 1
7b66806c9de2c3b45a84a75cbf2c40b6

Network Activity

URLs

URL	IP
hxxp://captcha.qq.com/getimage?aid=15002005&uin=	112.90.83.73

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /getimage?aid=15002005&uin= HTTP/1.1

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

Accept: */*

Host: captcha.qq.com

Cache-Control: no-cache

HTTP/1.1 200 OK

Server: tencent http server

Accept-Ranges: bytes

Pragma: No-cache

P3P: CP=CAO PSA OUR

Content-Length: 1658

Set-Cookie: verifysession=h01d6d34ecea205d1989ab38717ab863a1aeee52cee88889ea271c18b5fd15993282ddcafa03a906b9c; PATH=/; DOMAIN=qq.com;

Connection: close

Content-Type: image/jpeg

......JFIF............."250e3b18...........................C................(.....1#%.(:3=<9387@H\N@DWE78PmQW_bghg>Mqypdx\egc...C......./../cB8Bcccccccccccccccccccccccccccccccccccccccccccccccccc......5...."............................................................}........!1A..Qa."q.2....#B...R..$3br........%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz..............................................................................................................................w.......!1..AQ.aq."2...B.....#3R..br...$4.%.....&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz....................................................................................?..)....q.I.G.;p.d....8....R.5=.5.................B.D.vn...N..........4'....>..)y....t..`y.=.(9OqPCu.I.......JG...:4i.h.1RX). .YSjw*...........=:....9.|./^.......\...]U{#q.]w#....Y?hd.;..F.%Q...?.....2.QE...QE..QE..QE.U..8.....*.._.Iv..jO@..)5"R....'.~...jK.2@.>J........;1.]\.8]......d.:..*.pog~......[|.wH:e[...j.h..5).*......X6............j`.Dw.f1.[q.$.8.....|. ...t.g..Y.@.. .9..[.J.. ..`...7...9...^...b..1$.r...m......."ko1.A.}........=#..(I./............<{.....%f>Dgh......{.....A./. .1._A....K............jO..ua4....L.....W6..%.q..e.5M..._.....m9.W.#....V.. ..S........U..w...%.O....Ai..Q@..(....R.2.....}3.1Iqk.Â..w..E..s%u}0o s...R.....6{....xmI.......Z...y[..u&..k.c......E< \i..lB\..G...=..w.:......#.d..F.jK...ak!.&Lr.0%.....A....F.K....Ycc.}....`.....!.2{....'....7m.....j..q..........\...u.....]...i..8VkiNd.2Q.....R.R......"p...z...oU ..i..

<<< skipped >>>

Map

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

Strings from Dumps

%original file name%.exe_1316:

`.rsrc

.Ã„%

t$(SSh

~%UVW

u$SShe

wininet.dll

shlwapi.dll

user32.dll

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

hXXp://captcha.qq.com/getimage?aid=15002005&uin=

.rsrc

%S4WD

hg%fpM

S.Ac9SR

0.I%3s

,wAe.kI

aiUy'4xu

%c*@j

.eH'y

{&%U)

lj%4U

xe%CNs

9F.cLe

hJK.ZH

O.qt0

KERNEL32.DLL

COMCTL32.dll

GDI32.dll

MSIMG32.dll

MSVCRT.dll

MSVFW32.dll

USER32.dll

SkinH_EL.dll

Avi.CT

xhZ_6%U

%SY!8i

hXXp://iframe.ip138.com/ic.asp

hXXp://code.helpor.net/mine/ip.php

&site=qqjia.com&menu=yes

hXXp://sighttp.qq.com/msgrd?v=1&uin=

hXXp://crm2.qq.com/page/portalpage/wpa.php?uin=40012345&f=1&ty=1&ap=000011:400998:|m:12|f:KFXD11

&aid=15002005&u1=http://qz.qq.com&h=1&ptredirect=1&ptlang=2052&from_ui=1&dumy=&fp=loginerroralert&action=3-14-10797&mibao_css=&t=1&g=1

hXXp://ptlogin2.qq.com/login?u=

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

http=

HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

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

hXXp://

skey=

WSOCK32.dll

WSockHooK.dll

WpeSpy.dll

MSWSOCK.dll

mydll.dll

%S8y)

v:.Ag

%:.QE

T[.an

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

__MSVCRT_HEAP_SELECT

iphlpapi.dll

SHLWAPI.dll

MPR.dll

VERSION.dll

.PAVCException@@

.PAVCNotSupportedException@@

.PAVCFileException@@

(*.prn)|*.prn|

(*.*)|*.*||

Shell32.dll

Mpr.dll

Advapi32.dll

User32.dll

Gdi32.dll

Kernel32.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

HTTP/1.0

%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:

VVV.dywt.com.cn

1.1.3

;3 #>6.&

'2, / 0&7!4-)1#

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCArchiveException@@

zcÃ

c:\%original file name%.exe

#include "l.chs\afxres.rc" // Standard components

GetCPInfo

WinExec

GetProcessHeap

RegOpenKeyExA

RegCloseKey

RegCreateKeyExA

GetViewportExtEx

GetViewportOrgEx

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

ShellExecuteA

SetWindowsHookExA

GetKeyState

CreateDialogIndirectParamA

UnhookWindowsHookEx

InternetCanonicalizeUrlA

InternetCrackUrlA

.text

`.rdata

@.data

wookÃŠ

lA3"%C#i

)444//44445=

ADVAPI32.dll

comdlg32.dll

ole32.dll

OLEAUT32.dll

RASAPI32.dll

SHELL32.dll

WININET.dll

WINMM.dll

WINSPOOL.DRV

WS2_32.dll

1, 0, 6, 6

- Skin.dll

(*.*)

1.0.0.0

%original file name%.exe_1316_rwx_00401000_00111000:

t$(SSh

~%UVW

u$SShe

wininet.dll

shlwapi.dll

user32.dll

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

hXXp://captcha.qq.com/getimage?aid=15002005&uin=

.rsrc

%S4WD

hg%fpM

S.Ac9SR

0.I%3s

,wAe.kI

aiUy'4xu

%c*@j

.eH'y

{&%U)

lj%4U

xe%CNs

9F.cLe

hJK.ZH

O.qt0

KERNEL32.DLL

COMCTL32.dll

GDI32.dll

MSIMG32.dll

MSVCRT.dll

MSVFW32.dll

USER32.dll

SkinH_EL.dll

Avi.CT

xhZ_6%U

%SY!8i

hXXp://iframe.ip138.com/ic.asp

hXXp://code.helpor.net/mine/ip.php

&site=qqjia.com&menu=yes

hXXp://sighttp.qq.com/msgrd?v=1&uin=

hXXp://crm2.qq.com/page/portalpage/wpa.php?uin=40012345&f=1&ty=1&ap=000011:400998:|m:12|f:KFXD11

&aid=15002005&u1=http://qz.qq.com&h=1&ptredirect=1&ptlang=2052&from_ui=1&dumy=&fp=loginerroralert&action=3-14-10797&mibao_css=&t=1&g=1

hXXp://ptlogin2.qq.com/login?u=

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

http=

HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

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

hXXp://

skey=

WSOCK32.dll

WSockHooK.dll

WpeSpy.dll

MSWSOCK.dll

mydll.dll

%S8y)

v:.Ag

%:.QE

T[.an

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

__MSVCRT_HEAP_SELECT

iphlpapi.dll

SHLWAPI.dll

MPR.dll

VERSION.dll

.PAVCException@@

.PAVCNotSupportedException@@

.PAVCFileException@@

(*.prn)|*.prn|

(*.*)|*.*||

Shell32.dll

Mpr.dll

Advapi32.dll

User32.dll

Gdi32.dll

Kernel32.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

HTTP/1.0

%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:

VVV.dywt.com.cn

1.1.3

;3 #>6.&

'2, / 0&7!4-)1#

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCArchiveException@@

zcÃ

c:\%original file name%.exe

#include "l.chs\afxres.rc" // Standard components

GetCPInfo

WinExec

GetProcessHeap

RegOpenKeyExA

RegCloseKey

RegCreateKeyExA

GetViewportExtEx

GetViewportOrgEx

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

ShellExecuteA

SetWindowsHookExA

GetKeyState

CreateDialogIndirectParamA

UnhookWindowsHookEx

InternetCanonicalizeUrlA

InternetCrackUrlA

.text

`.rdata

@.data

1, 0, 6, 6

- Skin.dll

(*.*)

%original file name%.exe_1316_rwx_10000000_0003E000:

`.rsrc

L$(h%f

SSh0j

msctls_hotkey32

TVCLHotKey

THotKey

\skinh.she

}uo,x6l5k%x-l h

9p%s m)t4`#b

e"m?c&y1`Ã

SetViewportOrgEx

SetViewportExtEx

SetWindowsHookExA

UnhookWindowsHookEx

EnumThreadWindows

EnumChildWindows

`c%US.4/

!#$

.text

`.rdata

@.data

.rsrc

@.UPX0

`.UPX1

`.reloc

hJK.ZH

O.qt0

KERNEL32.DLL

COMCTL32.dll

GDI32.dll

MSIMG32.dll

MSVCRT.dll

MSVFW32.dll

USER32.dll

SkinH_EL.dll

1, 0, 6, 6

- Skin.dll

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps