Trojan.Win32.FlyStudio_529116e09f – Adaware

Dynamic Analysis

Payload

Behaviour	Description
EmailWorm	Worm can send e-mails.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:468

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:468 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\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\satdata_temp\ready.tmp (7 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 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\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" = "2E 04 8E 34 74 6F 0C 42 A9 91 6F B4 7B 13 D0 2E"

[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"

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):
%original file name%.exe:468
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\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\satdata_temp\ready.tmp (7 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 bytes)
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.

Static Analysis

VersionInfo

Company Name: ????
Product Name: ???
Product Version: 1.0.1.0
Legal Copyright: ????????
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.1.0
File Description: ???
Comments: ???
Language: English (United States)

Company Name: ????Product Name: ???Product Version: 1.0.1.0Legal Copyright: ???????? Legal Trademarks: Original Filename: Internal Name: File Version: 1.0.1.0File Description: ???Comments: ???Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	1083603	1085440	4.50503	dc244b2ae58e071a4bf72b918915d13b
.rdata	1089536	296212	299008	3.98144	81afb045172fce170713fa342db1aea7
.data	1388544	358664	110592	4.04259	a63f574b261eae6b5555961f6a8dd68b
.rsrc	1748992	38820	40960	3.70387	627e7faba634338adc95c7443e4f3f32

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://data1.tvro6.cn/dv.htm

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /dv.htm HTTP/1.1

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

Accept: */*

Host: data1.tvro6.cn

Cache-Control: no-cache

HTTP/1.1 400 Bad Request

Content-Type: text/html

Date: Wed, 27 Jul 2016 22:32:10 GMT

Connection: close

Content-Length: 39

<h1>Bad Request (Invalid Hostname)</h1>..

Map

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

Strings from Dumps

%original file name%.exe_468:

.text

`.rdata

@.data

.rsrc

t%SVh

t$(SSh

|$D.tm

~%UVW

u$SShe

{B6F7542F-B8FE-46a8-9605-98856A687097}

news.htm

hXXp://bbs.tvro6.com/

nch.htm

\nch.str

sng.htm

\sng.str

\satdata.str

N\satdata.tmp

tvro6.com

\tvro6.tmp

hXXp://VVV.tvro6.cn/ge/

hXXp://VVV.tvro6.cn

trade.htm

\trade.htm

\bbs.htm

hXXp://bbs.tvro6.com/ready1.htm

1\satdata.str

1\nch.str

1\sng.str

2\tvro6.exe

2\tvro6_updata_89858656.exe

2\file.tmp

\satdata.sta

2\tvro6_updata_69656858.exe

1\satdata.tmp

1\*.*

\home.htm

\news.htm

\tyro.htm

\datum.htm

forum-7-1.html

forum-6-1.html

forum-8-1.html

forum-9-1.html

\city.tmp

city.dat

.pf$C

|hm%X

'Mj%C

Gm%x`8

city.datPK

\ready.tmp

/sv.htm

/su.htm

(tvro6.com)

hXXp://VVV.tvro6.cn/cqt/

satdata_temp\satdata.tmp

satdata_temp\city.dat

tvro6_updata_89858656.exe

tvro6_updata_69656858.exe

FK%dG

;hXXp://data1.tvro6.cn

hXXp://data1.tvro6.com

hXXp://data2.tvro6.cn

/dv.htm

/du.htm

anonymous@123.com

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

---0, >7,>=

R%SjT'6

9.hr%$

lz%sq

hXXp://VVV.tvro6.com

hXXp://bbs.tvro6.com

>1.2.18

F%*.*f

CNotSupportedException

commctrl_DragListMsg

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

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

MSWHEEL_ROLLMSG

ole32.dll

__MSVCRT_HEAP_SELECT

user32.dll

KERNEL32.DLL

ADVAPI32.dll

AVIFIL32.dll

COMCTL32.dll

comdlg32.dll

GDI32.dll

MSIMG32.dll

MSVFW32.dll

OLEAUT32.dll

oledlg.dll

RASAPI32.dll

SHELL32.dll

USER32.dll

WININET.dll

WINMM.dll

WINSPOOL.DRV

WS2_32.dll

GetCPInfo

GetWindowsDirectoryA

WinExec

GetProcessHeap

RegCloseKey

RegOpenKeyExA

RegCreateKeyExA

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

GetViewportOrgEx

ShellExecuteA

CreateDialogIndirectParamA

EnumThreadWindows

EnumChildWindows

UnhookWindowsHookEx

SetWindowsHookExA

GetKeyState

InternetCanonicalizeUrlA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

.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

1234567

out.prn

%d.%d

%d / %d

%d/%d

Bogus message code %d

(%d-%d):

%ld%c

(*.htm;*.html)|*.htm;*.html

select * from %s order by %s

%Y-%m-%d %H:%M:%S

FADODB.Connection

;Jet OLEDB:Database Password=

Provider=Microsoft.Jet.OLEDB.4.0; Data Source=

Description: %s

State: %s, Native: %d, Source: %s

FADODB.Recordset

(*.avi)|*.avi

1.2.18

(*.JPG;*.PNG;*.BMP;*.GIF;*.ICO;*.CUR)|*.JPG;*.PNG;*.BMP;*.GIF;*.ICO;*.CUR|JPG

(*.JPG)|*.JPG|PNG

(*.PNG)|*.PNG|BMP

WPFT532.CNV

WPFT632.CNV

EXCEL32.CNV

write32.wpc

Windows Write

mswrd632.wpc

Word for Windows 6.0

wword5.cnv

Word for Windows 5.0

mswrd832.cnv

mswrd632.cnv

Word 6.0/95 for Windows & Macintosh

html32.cnv

1.1.3

NULL row buffer for row %ld, pass %d

libpng error: %s

libpng error: %s, offset=%d

libpng error no. %s: %s

libpng warning: %s

libpng warning no. %s: %s

operator

keywords

Unknown zTXt compression type %d

Incomplete compressed datastream in %s chunk

Data error in compressed datastream in %s chunk

Buffer error in compressed datastream in %s chunk

gamma = (%d/100000)

gx=%f, gy=%f, bx=%f, by=%f

wx=%f, wy=%f, rx=%f, ry=%f

incorrect gamma=(%d/100000)

iTXt chunk not supported.

[%s:%d]

Range: bytes=%s-

[%s:%d]

PASS %s

PASS ******

USER %s

E:\dev\e\static_link\static_libs\source\downlib\mystrlib.cpp

SIZE %s

PORT

User-Agent: %s

Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)

Referer: %s

Host: %s

GET %s HTTP/1.1

HTTP/1.0

HTTP/1.1

hXXp://

Cookie: %s

%d, %s

\\192.168.0.129\TCP\1037

NSPlayer/9.0.0.2980; {%s}; Host: %s

rmff_fix_header: assuming data.size=%i

rmff_fix_header: assuming data.num_packets=%i

rmff_fix_header: assuming prop.num_packets=%i

rmff_fix_header: setting prop.data_offset from %i to %i

rmff_fix_header: correcting prop.num_streams from %i to %i

rmff_fix_header: correcting prop.size from %i to %i

%s %s %s

Session: %s

Cseq: %u

%*s %s

%*s %u

CSeq: %u

rtsp://%s:%i

rtsp://%s:%i/%s

ClientID: Linux_2.4_6.0.9.1235_play32_RN01_EN_586

GUID: 00000000-0000-0000-0000-000000000000

[%s:%d]

User-Agent: RealMedia Player Version 6.0.9.1235 (linux-2.0-libc6-i386-gcc2.95)

Range: npt=%s-

%s/streamid=1

%s/streamid=0

Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play

If-Match: %s

RealChallenge2: %s, sd=%s

Title: %s

Copyright: %s

Author: %s

real: Content-length for description too big (> %uMB)!

Require: com.real.retain-entity-for-setup

SupportsMaximumASMBandwidth: 1

Bandwidth: %u

Challenge1: %s

hash output: %x %x %x %x

hash input: %x %x %x %x

stream=%u;rule=%u,

Illegal character '%c' in input.

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

%s

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

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

SMTP

msctls_hotkey32

.PAVCOleException@@

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCArchiveException@@

.PAVCOleDispatchException@@

zcÃ

c:\%original file name%.exe

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

==@==,@@@=

(*.*)

1.0.1.0

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps