MD5: 8412e2b408b7384081764a3b6a448768
SHA1: 7a0a4aed8f47ac636bf423121da4330545a3a0f0
SHA256: 3fa8c2dc735fd8ab6319150c00b58a9e1ce5ca49ddd0b961816e5f485728d4a0
SSDeep: 24576:ORmJkcoQricOIQxiZY1ia1LhwXG96TyWByRbcuGz:bJZoQrbTFZY1ialmXi6OEyeLz
Size: 1158657 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2012-01-29 23:32:28
Analyzed on: WindowsXP SP3 32-bit

Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

yxov.exe:1516
yxov.exe:696
%original file name%.exe:1192
%original file name%.exe:1512

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

Explorer.EXE:128

File activity

The process %original file name%.exe:1192 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Maip\yxov.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp2d20acc8.bat (177 bytes)

Registry activity

The process yxov.exe:1516 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B3 58 E6 BB 6C 32 8B BB E8 59 F8 9A B5 34 F3 83"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process yxov.exe:696 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "DC 5A D2 8B 3A BE 44 2F 06 6B 08 69 14 D2 A3 DA"

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

The process %original file name%.exe:1192 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7C 0C B8 88 99 A3 E5 B7 F3 FA CB ED 51 CD 9D EF"

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

The process %original file name%.exe:1512 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BC C2 F5 D0 A8 3B E8 7D 87 03 3D 3D 20 0B 10 3C"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

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

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

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

PFXImportCertStore

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

WSASend
send
closesocket

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

GetFileAttributesExW

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

LdrLoadDll
NtCreateThread

Propagation

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 3, 3, 8, 1
File Description:
Comments:
Language: English (United States)

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
059faf10ab3897e56dfb81692c7d4ef0
df8d6550aecc4da85e1df2e581f63d9b

URLs

URL	IP
hxxp://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/config.bin
hxxp://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/mod1.bin
hxxp://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/mod2.bin
hxxp://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/mod3.bin
hxxp://www.google.com/webhp
hxxp://www.google.ca/webhp?gfe_rd=cr&ei=0aCZU46GD63b8geJzYDQAg

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET CURRENT_EVENTS Zbot Generic URI/Header Struct .bin

Traffic

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

.text

`.data

.reloc

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

HTTP/1.1

http://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/config.bin

Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)

pufjwdx.jvh

" !=%(>";;

=225;6%%7!=

3:6 1*7=$;-

*4*-0*1?7!

MK[(bocmdgs

15#77??68.

&'/( <99

$!*4,#)<:

mfh{g~amzgs.dgg

:; 1299;2

>.Rdd

<-?).$: (26

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

urlmon.dll

cabinet.dll

http://

https://

HTTP/1.

http://www.google.com/webhp

t7SSSh

t"SSSh

GetProcessHeap

KERNEL32.dll

MapVirtualKeyW

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

SetKeyboardState

GetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

PFXImportCertStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpOpenRequestA

HttpAddRequestHeadersA

HttpSendRequestA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

x@@zZ.da

=?>#?.?;?

9%9)9/939

SysShadow

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

cGlobal\XXX

Global\{BDC01C55-EFE9-C66E-EE07-19ED5888CC8C}

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

{7ACF9740-1CFB-C6A3-60B2-76A948962DAE}

%Documents and Settings%\%current user%\Application Data\Ispon\idhui.hod

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

idhui.hod

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):
   

   yxov.exe:1516
   yxov.exe:696
   %original file name%.exe:1192
   %original file name%.exe:1512
   

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

   %Documents and Settings%\%current user%\Application Data\Maip\yxov.exe (7386 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp2d20acc8.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.