MD5: afd7795db6352e1d4f68f549dd218c54
SHA1: 69d14de28995ae8c25db10f053b88ae20ad416c6
SHA256: 9ef90e8513b801831b470d0b379781eefa73b4e4cfe460df297521ef3550e591
SSDeep: 98304:/IMwUDlG49Ne7Wr0Mfss/Oy mSVE2h21JgBMQXk3c:Bu6gy mmXGc
Size: 4100096 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171
Company: no certificate found
Created at: 2016-10-18 18:56:45
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).

Payload

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1792
netsh.exe:2428

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:1792 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Windows\DellDriver\spoolsvs.exe (40702 bytes)
C:\1.bat (77 bytes)
C:\Windows\DellDriver\CPU.zip (1 bytes)

The Trojan deletes the following file(s):

C:\%original file name%.exe (0 bytes)
C:\1.bat (0 bytes)
C:\Windows\DellDriver\CPU.zip (0 bytes)

Registry activity

The process %original file name%.exe:1792 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASAPI32]
"MaxFileSize" = "1048576"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Interner Settings\Zones\3]
"1803" = "3"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASMANCS]
"ConsoleTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASAPI32]
"ConsoleTracingMask" = "4294901760"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools" = "1"

[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"

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

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASMANCS]
"MaxFileSize" = "1048576"

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

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASMANCS]
"EnableConsoleTracing" = "0"
"EnableFileTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoFileMenu" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASMANCS]
"FileTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASAPI32]
"EnableFileTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoSetFolders" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer]
"GlobalAssocChangedCounter" = "47"

[HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions]
"NoBrowserOptions" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoFind" = "1"
"NoControlPanel" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASMANCS]
"FileDirectory" = "%windir%\tracing"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoRun" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASAPI32]
"EnableConsoleTracing" = "0"
"FileTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]
"CheckedValue" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\afd7795db6352e1d4f68f549dd218c54_RASAPI32]
"FileDirectory" = "%windir%\tracing"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"KuangGong" = "c:\%original file name%.exe"

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"

The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"VMware Tools"

"Adobe ARM"

"SunJavaUpdateSched"

"Adobe Reader Speed Launcher"

"VMware User Process"

The process netsh.exe:2428 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Classes\Local Settings\MuiCache\30\52C64B7E\@%SystemRoot%\system32]
"napipsec.dll,-1" = "IPsec Relying Party"
"napipsec.dll,-3" = "Microsoft Corporation"
"napipsec.dll,-2" = "Provides IPsec based enforcement for Network Access Protection"
"napipsec.dll,-4" = "1.0"

[HKCU\Software\Classes\Local Settings\MuiCache\30\52C64B7E]
"LanguageList" = "en-US, en"

[HKCU\Software\Classes\Local Settings\MuiCache\30\52C64B7E\@%SystemRoot%\system32]
"eapqec.dll,-102" = "1.0"
"eapqec.dll,-103" = "Microsoft Corporation"
"eapqec.dll,-100" = "EAP Quarantine Enforcement Client"
"eapqec.dll,-101" = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies."
"dhcpqec.dll,-102" = "Microsoft Corporation"
"dhcpqec.dll,-103" = "1.0"
"dhcpqec.dll,-100" = "DHCP Quarantine Enforcement Client"
"dhcpqec.dll,-101" = "Provides DHCP based enforcement for NAP"
"tsgqec.dll,-102" = "1.0"
"tsgqec.dll,-103" = "Microsoft Corporation"
"tsgqec.dll,-100" = "RD Gateway Quarantine Enforcement Client"
"tsgqec.dll,-101" = "Provides RD Gateway enforcement for NAP"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL	IP
xmr.prohash.net	138.201.206.47

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET POLICY HTTP Request on Unusual Port Possibly Hostile
ET POLICY Unsupported/Fake Windows NT Version 5.0

Traffic

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

.text

`.rdata

@.data

.rsrc

t$(SSh

|$D.tm

~%UVW

u$SShe

Bv=kAv.SCv

ntdll.dll

kernel32.dll

advapi32.dll

Advapi32.dll

shell32.dll

Kernel32.dll

ws2_32.dll

IPHLPAPI.DLL

oleaut32.dll

ole32.dll

OleAut32.dll

wininet.dll

CreatePipe

PeekNamedPipe

RegOpenKeyA

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

ShellExecuteA

updD73C.tmp

wwbizsrv.exe

xmr.prohash.net

xmr.aippx.win

hXXp://

\kernel32.dll

\CPU.zip

libwinpthread-1.dll

=%Uy|

cgÏ

|h.Ex2

ssleay32.dll

ya.Zf

FB%u 

A5\-q}

b!.%F

d%XSM;8

T"C%F

Fp%4S

.kA\7

Bu%S]

minerd.exe

J.evz

sc9j4E%CT

`0/.odP

NTCrT!

XR!i.PL

)uP.Pk

y/.Sf

.Jy8!

.Uv`P

X5.YMB

-Qm}=

wp.eV

.pg8Cv

q?.fk

.,.tqX

.eE>HP

fYc%U

Q1.hP

`.Hl5

.vO*5

Y.ccKDt

>C%cs

QL.crSo}

h%d~/

wO.nR1

3=%%u

.Ud`"

Q.lwp

c.XFJ>

wc%x?

CD.Ld

;'.ll

Qf'%S

zlib1.dll

t]5.wV

;%ut8LuM

libcurl.dll

tM3

XrAO.XT

o=.sf

6}f.Ar~J

X%Fy}

jI.mR

.ca=rG

%sbUZxs

:bxL.XK

þ)o

.vF|>H

y.pD90/W

.xz})

libeay32.dll

XVs.gp

UQ.fU

x K.SK

z.eAWdfI

H%5xn

x<;{.PY[

_A.cW

h.BsQ]y

r[%f_I

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$HXS.yP

by~I%d

.bmc!Q

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'%c;'

z)w%uW

GTcp

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zh7%s

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Vx*.dK

.rhtr3!f

f8.tQ)

%uaC|

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(.ep)

.sGVhu

1/b.fna

rx`%F

?.HA}

?(($$44"

~$~,~<~2

%U$U&5!

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%U.U!uW

.JpC|C)1T

De|.JqZ

E.[.ew

.:.zat

:.tm$

.nmvb

.kuikt

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{p.Gsl

libgcc_s_seh-1.dll

libstdc  -6.dll

|_.DQ_

.uCsg

*d.svb@

u7.hBG

.pm.i{

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c7%xW

Z=t.dk

jn9d,jE%f

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K:\Lp

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3.JGG

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H].JGR

sSHh8

D.AyW

.HX"$

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GCMD

TCP &J

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%U XJ

R.oG5

4.2.6.1.5.3.7

&%%UK

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\libcurl.dll

\libeay32.dll

\libgcc_s_seh-1.dll

\libstdc  -6.dll

\libwinpthread-1.dll

\minerd.exe

\ssleay32.dll

\zlib1.dll

\wwbizsrv.exe

\wwbizsrv.exe -a cryptonight -o stratum tcp://

?os=windowsxp&userid=

cmd.exe

reg.exe

conhost.exe

\1.bat

C:\Windows\DellDriver

{4590f811-1d3a-11d0-891f-00aa004b2e24}

{dc12a687-737f-11cf-884d-00aa004b2e24}

https

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

http=

HTTP/1.1

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

hXXps://

spoolsvs.exe

p'.QN

"?%x*pV;4W

]]:.Eo

.TJF*

.dIG0

.ZEw!

On%d^

".nCJ_

Y..cT

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\wwbizsrv.exe -o stratum tcp://

Kuanggong_uninst.txt

spoolsys.exe

uninst_Wakuang.exe

tem.vbs

fso.DeleteFile("

Set fso = CreateObject("Scripting.FileSystemObject")

Wscript.Sleep(1000)

%d&&'

123456789

00003333

deflate 1.1.3 Copyright 1995-1998 Jean-loup Gailly

inflate 1.1.3 Copyright 1995-1998 Mark Adler

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

__MSVCRT_HEAP_SELECT

Broken pipe

Inappropriate I/O control operation

Operation not permitted

user32.dll

iphlpapi.dll

SHLWAPI.dll

MPR.dll

WINMM.dll

WS2_32.dll

VERSION.dll

RASAPI32.dll

GetProcessHeap

WinExec

GetWindowsDirectoryA

KERNEL32.dll

GetKeyState

USER32.dll

GetViewportOrgEx

GDI32.dll

WINSPOOL.DRV

RegCloseKey

RegOpenKeyExA

RegCreateKeyA

RegDeleteKeyA

RegCreateKeyExA

ADVAPI32.dll

SHELL32.dll

OLEAUT32.dll

COMCTL32.dll

WSOCK32.dll

InternetCrackUrlA

InternetCanonicalizeUrlA

WININET.dll

GetCPInfo

CreateDialogIndirectParamA

UnhookWindowsHookEx

SetWindowsHookExA

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

comdlg32.dll

.PAVCException@@

Shell32.dll

Mpr.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|

%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

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

HTTP/1.0

%s <%s>

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

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

SMTP

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCArchiveException@@

zcÁ

c:\%original file name%.exe

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

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   %original file name%.exe:1792
   netsh.exe:2428
   

2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:
   

   C:\Windows\DellDriver\spoolsvs.exe (40702 bytes)
   C:\1.bat (77 bytes)
   C:\Windows\DellDriver\CPU.zip (1 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   "KuangGong" = "c:\%original file name%.exe"

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   

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