Gen.Variant.Zusy.97424_06bfaf2e4e – 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:468

Mutexes

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

File activity

The process %original file name%.exe:468 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

C:\gzip.dll (30 bytes)

Registry activity

The process %original file name%.exe:468 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F8 23 D5 8F 84 E6 3A 88 89 C8 4E 33 E8 40 1C 2E"

Dropped PE files

MD5	File path
8b3591965f623b219c0c528153746cab	c:\gzip.dll

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:
C:\gzip.dll (30 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: ??
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: Language Neutral

Company Name: ??Product Name: ??Product Version: 1.0.0.0Legal Copyright: ??Legal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.0File Description: ??Comments: ??Language: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	700146	700416	5.14678	ca2c56cab0130c04a33cbe803a0a9a4a
.rdata	704512	1009386	1011712	4.76986	b5035537af9aa4a51b8fd46deb15e4a2
.data	1716224	272138	94208	4.35836	e0c2c9a8383b55d072c1a2016607aea1
.rsrc	1990656	111928	114688	3.10141	70527f33d4e310805ca717e658f5503a
.text	2105344	992	4096	1.77109	c9d7bb368d6b62a5bee94f0095b10c95

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://tp.hd.mi.com/gettimestamp	106.120.176.51
www.baidu.com	180.76.3.151

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /gettimestamp HTTP/1.1

Referer: hXXp://tp.hd.mi.com/gettimestamp

Accept: */*

Accept-Language: zh-cn

User-Agent: 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)

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

Host: tp.hd.mi.com

Connection: Keep-Alive

HTTP/1.1 200 OK

Connection: close

Date: Mon, 20 Oct 20

Map

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

Strings from Dumps

%original file name%.exe_468:

.text

.rdata

@.data

.rsrc

@.text

zh.pK

t%SVh

t$(SSh

~%UVW

u$SShe

kernel32.dll

ole32.dll

shlwapi.dll

Kernel32.dll

user32.dll

gzip.dll

wininet.dll

MsgWaitForMultipleObjects

EnumWindows

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

1970-01-01 08:00:00

1970-01-01 00:00:00

hXXp://203.171.232.125:8888/Ip/index.php?id=

WinHttp.WinHttpRequest.5.1

User-Agent: 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)

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

\gzip.dll

`.data

@.reloc

KERNEL32.dll

gzip.pdb

_u%SV

adodb.stream

Sniffer Portable

HTTP Analyzer

HttpWatch

HTTPDebugger

HttpAnalyzer

WindowsForms10.Window.8.app.0.378734a

TStdHttpAnalyzerForm

&sid=passport&_sign=KKkRvCpZoDC+gLdeyOsdMhwV0Xg=&callback=https://account.xiaomi.com&qs=%3Fsid%3Dpassport

hXXps://account.xiaomi.com/pass/serviceLoginAuth2

>@hXXp://order.mi.com/user/order

hXXp://203.171.232.125:8888/HS/index.php?type=

:(. ?),#

function time(){return new Date().getTime()}

hdurl":"

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36

http=

https

HTTP/1.1

hXXps://

hXXp://

/soft.ini

VVV.baidu.com

hXXp://open.baidu.com/special/time/

window.baidu_time(

\update.exe

GetWindowsDirectoryA

ShellExecuteA

scripting.FileSystemObject

Temp.zip

Temp.exe

anonymous@123.com

.exe|.rar|.zip|.gif|.jpg|.mp3|.rm

hXXp://bc.3600gz.cno

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

WINMM.dll

WS2_32.dll

VERSION.dll

GetProcessHeap

WinExec

GetKeyState

USER32.dll

GetViewportOrgEx

GDI32.dll

WINSPOOL.DRV

RegCloseKey

RegOpenKeyExA

RegCreateKeyExA

ADVAPI32.dll

SHELL32.dll

OLEAUT32.dll

COMCTL32.dll

WININET.dll

GetCPInfo

CreateDialogIndirectParamA

UnhookWindowsHookEx

SetWindowsHookExA

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

comdlg32.dll

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

.QSP99900000L

.PP9961''&&&&

.99961*1'''&'!

`^^^]^\\

%%%)***1///62228///6)))2$$$

\update2.exe

@ping 127.0.0.1 -n

del Restart.bat

\Restart.bat

.FJP\

VBScript.RegExp

*.txt

|*.txt

RASAPI32.dll

WLDAP32.dll

WSOCK32.dll

InternetCrackUrlA

InternetCanonicalizeUrlA

.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

icmp.dll

windows

out.prn

%d.%d

%d / %d

%d/%d

Bogus message code %d

(%d-%d):

%ld%c

hXXp://VVV.eyuyan.com

service@dywt.com.cn

86(0411)39895834

86(0411)39895831

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

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

1.1.3

;3 #>6.&

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

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

HTTP/1.0

%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@@

zcÃ

01-01 08:00:00

c:\%original file name%.exe

6.0.2600.0 (xpclient.010817-1148)

6.0.2600.0

(*.*)

1.0.0.0

%original file name%.exe_468_rwx_00401000_000AB000: