Gen.Variant.Strictor.68906_dba9f15e2d – Adaware

Gen:Variant.Strictor.68906 (B) (Emsisoft), Gen:Variant.Strictor.68906 (AdAware), Trojan.Win32.FlyStudio.FD, GenericEmailWorm.YR, TrojanFlyStudio.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: dba9f15e2d75d7b9a46cdb6f52afa437

SHA1: 1c1787dca8af101900bf1e85c83e4973db44efd0

SHA256: 7cfa25c7a2c5c61dc88c48148f0b832ab9d8b84e4f07e3677e65b3f1fc4e9805

SSDeep: 12288:Jlz040llNo5fB2GC8cKZTLZkS9T9wBZ0vJSs/SMZoS596qbm0FJ:Jlz040DGCFK1Lp9CBAJSzMr6IB

Size: 1056768 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171

Company: no certificate found

Created at: 2014-12-05 07:41:00

Analyzed on: WindowsXP SP3 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

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:928

Mutexes

The following mutexes were created/opened:

RasPbFileShimCacheMutex

File activity

No files have been created.

Registry activity

The process %original file name%.exe:928 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B3 A6 50 93 27 39 66 DA 60 2D 1B 0C E7 F5 9D FD"

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

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

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

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.
Reboot the computer.

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

Static Analysis

VersionInfo

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

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

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	576266	577536	4.52464	e47cc4d6f23dd896a94e1a16569a6dbb
.rdata	581632	219502	221184	4.60781	ea5f74c85599af42aa9f032992418363
.data	802816	245384	69632	3.30271	9e922a96b60d8246c26acf7d8fe7b533
.rsrc	1048576	182300	184320	3.80482	afd1786308ad3490d440f8605eb67620

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_928:

.text

`.rdata

@.data

.rsrc

t$(SSh

~%UVW

u$SShe

wininet.dll

kernel32.dll

rasapi32.dll

ADVAPI32.DLL

advapi32.dll

ole32.dll

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

{E60056EA-07A8-4bf5-B6F0-DF05DE6FAE1F}

action=loginIn&uid=

hXXp://api.f02.cn:8888/http.do

login_error

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://

hXXp://sms.xudan123.com/do.aspx

&password=

action=user:UserEventAction&event_name_login=

hXXp://VVV.jikesms.com/common/ajax.htm

(*.txt)

C$%cmb

.ppM|

aZ.mO

%-^

.hk;~

KERNEL32.DLL

COMCTL32.dll

GDI32.dll

MSIMG32.dll

MSVCRT.dll

MSVFW32.dll

USER32.dll

SkinH_EL.dll

]%s

%du2$"

.unOZ

\Microsoft\Network\Connections\pbk\rasphone.pbk

hXXp://VVV.taihuoniao.com/auth/signup

hXXp://VVV.taihuoniao.com/app/site/auth/verify_code?phone=

&password_confirm=

Content-Type: application/x-www-form-urlencoded; charset=UTF-8

X-Requested-With: XMLHttpRequest

Referer: hXXp://VVV.taihuoniao.com/auth/signup

User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)

Host: VVV.taihuoniao.com

hXXp://VVV.taihuoniao.com/auth/do_register

hXXp://VVV.taihuoniao.com/promo/got_bonus

DisconnURL

ConnURL

/userRpm/StatusRpm.htm?Disconnect=

/userRpm/StatusRpm.htm?Connect=

hXXp://pv.sohu.com/cityjson?ie=gb2312

WinHttp.WinHttpRequest.5.1

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

hXXp://VVV.httpsdaili.com/api.asp?key=20141113132850747&getnum=99999

$@wininet.dll

282507606

IP.TXT

192.168.1.1

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

__MSVCRT_HEAP_SELECT

user32.dll

RASAPI32.dll

GetProcessHeap

WinExec

KERNEL32.dll

GetKeyState

GetViewportOrgEx

WINMM.dll

WINSPOOL.DRV

RegCloseKey

RegOpenKeyExA

ADVAPI32.dll

ShellExecuteA

SHELL32.dll

OLEAUT32.dll

WS2_32.dll

InternetCrackUrlA

InternetCanonicalizeUrlA

WININET.dll

GetCPInfo

CreateDialogIndirectParamA

UnhookWindowsHookEx

SetWindowsHookExA

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

comdlg32.dll

RegCreateKeyExA

.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

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

HTTP/1.0

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

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

SMTP

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

w0Sqaq%0s

qpqa1%5s

',::?;@;@;@;@@[

.bBhpssssssw|

1, 0, 6, 6

(*.*)

1.0.0.0

%original file name%.exe_928_rwx_10027000_00015000:

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

%-^

.hk;~