Tue, 03/21/2017 - 04:07

Trojan.GenericKD.4581100_154c569534

Trojan.Win32.Kolovorot.aby (Kaspersky), Trojan.GenericKD.4581100 (B) (Emsisoft), Trojan.GenericKD.4581100 (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

Dynamic Analysis

Static Analysis

Network Activity

Map

Strings from Dumps

Removals

Summary

MD5: 154c5695346bc935ddaffad51bd4704b

SHA1: f5c4132083eda4fb1f251ffa408edc22a0a78886

SHA256: e8c18d8c8e1d593561166ab2447c0c03faa795ea69173af189e4ca5dbbc89bf1

SSDeep: 12288:uP15tVxUjyvRb7z2ObyFmilIP odATQug/Q57IlDKUF:u1ojyvcObYQ EA/WQSlzF

Size: 667120 bytes

File type: PE32

Platform: WIN32

Entropy: Packed

PEID: ASPackv212, UPolyXv05_v6

Company: no certificate found

Created at: 2015-09-25 08:58:55

Analyzed on: Windows7 SP1 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:1908

Mutexes

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

File activity

No files have been created.

Registry activity

The process %original file name%.exe:1908 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASMANCS]
"ConsoleTracingMask" = "4294901760"
"MaxFileSize" = "1048576"

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

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASMANCS]
"FileDirectory" = "%windir%\tracing"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASAPI32]
"FileDirectory" = "%windir%\tracing"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASMANCS]
"EnableFileTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASAPI32]
"EnableConsoleTracing" = "0"
"MaxFileSize" = "1048576"
"ConsoleTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASMANCS]
"EnableConsoleTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASAPI32]
"FileTracingMask" = "4294901760"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 3C 00 00 00 09 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASAPI32]
"EnableFileTracing" = "0"

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

[HKLM\SOFTWARE\Microsoft\Tracing\154c5695346bc935ddaffad51bd4704b_RASMANCS]
"FileTracingMask" = "4294901760"

Proxy settings are disabled:

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

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

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

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.
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: ??
Product Name: ??
Product Version: 1.0.0.0
Legal Copyright: ??
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.0
File Description: ??
Comments: ??
Language: Russian (Russia)

Company Name: ?? Product Name: ?? Product Version: 1.0.0.0 Legal Copyright: ?? Legal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.0 File Description: ?? Comments: ?? Language: Russian (Russia)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	598016	250880	5.54453	9a07d0a266acf015b2cbeb3770cdd26b
.rdata	602112	565248	327168	5.54429	f7843754a8ee669a9c115c5feb02754c
.data	1167360	356352	28160	5.52662	76517ccb5e0a81a8ecb7ebfcc0a4fddb
.rsrc	1523712	413696	9728	4.5468	63fe0ff79f663a43afde1e5c8b3087d2
	0	0	0	0
	0	0	0	0

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://x2.tcdn.qq.com/web201105/download.shtml
hxxp://cf.qq.com/web201105/download.shtml	203.205.158.61

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /web201105/download.shtml HTTP/1.1

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

Accept: */*

Host: cf.qq.com

Cache-Control: no-cache

HTTP/1.1 200 OK

Server: NWS_X2_MID

Connection: keep-alive

Date: Mon, 20 Mar 2017 16:47:00 GMT

Cache-Control: max-age=60

Expires: Mon, 20 Mar 2017 16:48:00 GMT

Last-Modified: Mon, 20 Mar 2017 16:40:00 GMT

Content-Type: text/html

Content-Length: 16695

X-Cache-Lookup: Hit From Disktank

X-Verify-Code: 146a40ff5a61fbe34637c866fe8c93b2

X-Daa-Tunnel: hop_count=1

X-Cache-Lookup: Hit From Upstream

<!DOCTYPE html>.<html lang="zh-CN">.<head>.<meta charset="gbk">.<meta name="robots" content="all">.<meta name="author" content="Tencent-CP">.<meta name="Copyright" content="Tencent">.<meta name="Description" content="..................................300............................................................................................................................CF.........." />.<meta name="Keywords" content="........,............,................,............,................,CF....,CF....,CF....,................, CF............,QQ................,..............,............,................,CrossFire,FPS........,RPK,........,....,....AK,........,WCG,......,........,........,........,......,....,....,......,......,......,......" />.<title>........-................-........</title>.<script>var d0 = new Date();</script>..<link rel="stylesheet" type="text/css" href="hXXp://game.gtimg.cn/images/cf/cp/a20150813download/comm.css"/>.</head>.<body>.<div class="banner">...<div class="container c pr" id="hd">....<a class="logo pa" href="http://cf.qq.com/" target="_blank" title="........"></a>....<a href="hXXp://cf.qq.com/web201105/patch.shtml"><p class="fix">........</p></a>....<a href="hXXp://cf.qq.com/act/a20150805tyf/index.shtml" target="_blank"><p>..........</p

<<< skipped >>>

Map

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

Strings from Dumps

%original file name%.exe_1908:

.text

`.rdata

@.data

.rsrc

.aspack

.adata

t$(SSh

~%UVW

u$SShe

Bv.SCv=kAv

kernel32.dll

user32.dll

wininet.dll

ws2_32.dll

EnumWindows

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

hXXp://cf.qq.com/web201105/download.shtml

VVV.cf76.com

%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

hXXp://VVV.VVV.cf76.com

\ESPI11.dll

.inidata

@.reloc

CNotSupportedException

CCmdTarget

commctrl_DragListMsg

COMCTL32.DLL

__MSVCRT_HEAP_SELECT

KERNEL32.dll

RegCloseKey

RegOpenKeyExA

ADVAPI32.dll

WS2_32.dll

GetCPInfo

UnhookWindowsHookEx

SetWindowsHookExA

GetKeyState

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

WINSPOOL.DRV

comdlg32.dll

SHELL32.dll

SWNPM.dll

.PAVCException@@

.PAVCArchiveException@@

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

4"5(5,50545

8!8/878=8

3"32383|3"4

2 3=3Q3^3h3r3z3

4 41484[4}4

9$9(9,90989

2010057101

2010157101

2010037901

2010038001

2010042601

2010044501

2010044601

2010042701

2010049501

2010053601

2010053701

2010058801

2010061601

2010069201

2010074301

2010075301

2010076401

2010044804

2010008604

2010012003

2010031904

2010054304

2010031504

2010047504

2010041404

2010046104

2010013904

2010023604

2010010104

2010013604

2010020004

2010014904

2010009904

2010013404

2010019804

2010015004

2010010004

2010013504

2010019904

2010014804

2010041304

2010045004

2010007404

2010038702

2010030004

2010050704

2010018103

2010027502

2010011904

2010003501

2010019702

2010028704

2010050004

2010049904

2010009304

2010034304

2010047704

2010031204

2010021004

2010005601

2010008304

2010043404

2010027604

2010022704

2010052104

2010009604

2010014704

2010045404

2010019602

2010011504

2010049804

2010024004

2010042103

2010019502

2010030304

2010046004

2010010204

2010009704

2010042504

2010046301

2010046401

2010005904

2010014304

2010014204

2010008504

2010024104

2010031601

2010020501

2010013804

2010013005

2010014104

2010010504

2010009204

2010018404

2010039101

2010006404

2010010404

2010009504

2010013304

2010039001

2010039201

2010004704

2010051704

2010006904

2010029204

2010024404

2010030804

2010043304

2010052004

2010009004

2010041204

2010030404

2010035504

2010008104

2010010704

2010051501

2010007504

2010008003

2010014501

2010037701

2010007903

2010022602

2010011104

2010053501

2010012301

2010030602

2010014401

2010030502

2010023702

2010015101

2010043604

2010016303

2010018504

2010041104

2010018604

2010044704

2010012603

2010015604

2010052401

2010050203

2010038602

2010039404

2010027902

2010046501

2010015504

2010007104

2010035304

2010013104

2010012204

2010051105

2010039304

2010044904

2010051604

2010018704

2010027802

2010041004

2010043704

2010027202

2010039504

2010027402

2010040201

2010039704

2010040701

2010016403

2010020604

2010020804

2010020704

2010023203

2010042004

2010021104

2010024902

2010018904

2010039604

2010025002

2010043804

2010012903

2010012703

2010015701

2010005804

2010027004

2010027104

2010028002

2010028102

2010024802

2010035404

2010030902

2010019302

2010019402

2010019202

2010011703

2010035101

2010034901

2010035001

2010035201

2010041904

2010058505

2010058605

2010059404

2010059204

2010059504

2010060901

2010061101

2011092906

3010000401

1000003502

1000001201

1000001501

1000001301

1000001101

3010000501

3010000601

3010000701

2010062701

2010066802

2010066702

2010063304

2010061204

2010069101

1000004201

2010069504

2010069604

2010069704

2010069804

2010070804

2010070904

2010072701

2010074604

2010073001

2010073701

2010076001

2010086301

2010086401

2010086501

2010086601

hXXp://wpa.qq.com/msgrd?v=3&uin=2222761314&site=qq&menu=yes

hXXp://VVV.cffkpt.com/buy/result2.asp?num=

Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1; 125LA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)

http=

https

HTTP/1.1

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

hXXps://

hXXp://

crossfire.exe

127.0.0.1

|307|100

hXXp://VVV.cffkpt.com/buy/paymoney.asp

@0.0.0.0

@kernel32.dll

VVV.ssrr2.com

VVV.meitu.com

.wueo%m

%cy%V8

.eV2v

9)%fv

F,ö)F;5W.$U9(U

`.WLP

3F,W.uE

#`A%xa

8z.sL.

f%f

F%*.*f

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

Afx:%x:%x

RASAPI32.dll

GetProcessHeap

WinExec

GetViewportOrgEx

WINMM.dll

RegDeleteKeyA

RegCreateKeyExA

RegEnumKeyA

RegOpenKeyA

ShellExecuteA

ole32.dll

OLEAUT32.dll

InternetCrackUrlA

InternetCanonicalizeUrlA

WININET.dll

CreateDialogIndirectParamA

GetViewportExtEx

.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

%s\ESPI%d.dll

hXXp://dywt.com.cn

service@dywt.com.cn

86(0411)88995834

86(0411)88995831

Windows

(ESPINN.dll(NN

This is a runtime library file for EPL applications. The EPL is a software development environment. For details please visit VVV.dywt.com.cn/info

CallerInfoCopyCmd

SetIPPort

GetIPPort

"C:\Windows\System32\ESPI11.dll"

ProviderInstallCopyCmd

SockDataCopyCmd

SockAddrCopyCmd

enetintercept_fnSockAddrSetIPPort

enetintercept_fnSockAddrGetIPPort

enetintercept_fnInstallCopyCmd

enetintercept_fnSockDataCopyCmd

enetintercept_fnSockAddrCopyCmd

enetintercept_fnCallerInfoCopyCmd

hXXp://VVV.eyuyan.com

86(0411)39895834

86(0411)39895831

DelAllKeyValues

DelKeyValue

GetAllKeys

GetKeyValue

AddKeyValue

DSGetErrMsg

BiTreeGetCurNodeKey

ListGetCurNodeKey

ListUpdateNodeFromKey

ListRemoveNodeFromKey

edatastructure_fnMapDelAllKeyValues

edatastructure_fnMapDelKeyValue

edatastructure_fnMapGetAllKeys

edatastructure_fnMapGetKeyValue

edatastructure_fnMapAddKeyValue

edatastructure_fnBiTreeGetCurNodeKey

edatastructure_fnListGetCurNodeKey

edatastructure_fnListUpdateNodeFromKey

edatastructure_fnListRemoveNodeFromKey

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

.PAVCResourceException@@

.PAVCUserException@@

zcÁ

c:\%original file name%.exe

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

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

rasapi32.dll

gdi32.dll

winmm.dll

winspool.drv

advapi32.dll

shell32.dll

oleaut32.dll

comctl32.dll

1, 0, 6, 6

- Skin.dll

0.0.0.0

(2004-2010)

(*.*)

1.0.0.0

%original file name%.exe_1908_rwx_005D9000_00002000: