MD5: 1082c2cd2a7d54e6884481f3bea251b4
SHA1: 89a49926d53cc39801cf0e1adef421cce834dd1d
SHA256: 83cdbd866f083a78d39d61bdcb65e589e1213e3ebc6b95a6aacd72b601e87812
SSDeep: 3072:pokGUIm7hNDVjNhJOm04CZTFmtY9F6B8vQgwLCw8BE7AeSybsNu0UHyRyQoutmU:ptblXn04RY36xOwxsyAN EoSR
Size: 195072 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: Software Installer for Windows
Created at: 2011-01-10 02:43:03
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).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

neixqe.exe:1340
%original file name%.exe:856

The Trojan injects its code into the following process(es):

Explorer.EXE:1572

Mutexes

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

File activity

The process %original file name%.exe:856 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Vuappu\neixqe.exe (195 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp8ffad9e2.bat (177 bytes)

Registry activity

The process neixqe.exe:1340 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "67 30 C3 B0 19 99 B0 68 67 2A 97 42 50 53 F6 63"

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

The process %original file name%.exe:856 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "DB C3 15 24 D7 49 6B CC 84 97 D8 3E 68 A6 06 B1"

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

[HKCU\Software\Microsoft\Kefyy]
"Ovihle" = "BF 54 58 54 F1 51 D0 3A 08 55 DD 1E C8 A4 93 58"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%windir%]
"explorer.exe" = "%windir%\explorer.exe"

The Trojan adds process executable file it works in to the list of trusted Windows Firewall applications:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\%windir%]
"explorer.exe" = "%windir%\explorer.exe"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in USER32.dll:

SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC

The Trojan installs the following user-mode hooks in WS2_32.dll:

WSASend
send
closesocket

The Trojan installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

Propagation

VersionInfo

Company Name: Mach5 Software
Product Name: Ace
Product Version: 9.9
Legal Copyright: Bowl (.)(.) 1998-2008
Legal Trademarks:
Original Filename: Xu56tjfx.exe
Internal Name: Wharf Wait Heave
File Version: 9.9
File Description: Shuts Lbj Abbot
Comments:
Language: Spanish (Spain, International Sort)

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 1
901ac394289407647f9db8d4ec98edc3

URLs

URL	IP
hxxp://kungfuldfunds.com/sad/nbsfe.php

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET TROJAN Generic - POST To .php w/Extended ASCII Characters

Traffic

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

.text

`.data

.reloc

<=&" (2.  1

6 !26!1'1!

.' 6,7* 9&0

7307#163

5("15"2$2

.( 8&<&6#

3.$73$4"4

?23<2?? 

-/."%1-$$:

;&,?;,<*<'

34!9#."9=

F{qbfqawAQv}kwhucp[Ootfpci{.Lp{fZFRDm`A[K]\G

hXXp://

hXXps://

PR_OpenTCPSocket

*.jpg*|*.js*|*.css*|*.gif*|*.png*|*.ico*

HTTP/1.1

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

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

urlmon.dll

cabinet.dll

PSSSSSSh

SSSh@

GetProcessHeap

KERNEL32.dll

MapVirtualKeyW

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

ExitWindowsEx

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

InternetCrackUrlA

HttpOpenRequestA

HttpAddRequestHeadersA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

3%3S3

nspr4.dll

e.dat

SysShadow

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

cGlobal\XXX

Global\{E6656C7A-AD02-CBAA-C2EE-531700FA2C4D}

%Documents and Settings%\%current user%\Application Data\Owy\ahbyizf.ynk

%Documents and Settings%\%current user%\Application Data\Owy

ahbyizf.ynk

%Documents and Settings%\%current user%\Application Data

{99065869-9911-B4C9-C2EE-531700FA2C4D}

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. Scan a system with an anti-rootkit tool.
   
2. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   neixqe.exe:1340
   %original file name%.exe:856
   

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

   %Documents and Settings%\%current user%\Application Data\Vuappu\neixqe.exe (195 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp8ffad9e2.bat (177 bytes)

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

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