MD5: 3cfc74792398295d8a169eb6011786e6
SHA1: 23c42cd01d2f48a1d46b955f7d4fb04d734673ae
SHA256: 9d0987c4f18098b4ea1c0d932228ed3f3511c029b45e9e2fe537da658befdaa0
SSDeep: 6144:fnp/5RKANDFUEiLCxVhNR4Xti9UKeXCbVbCeLyR3bzFKyyyvZgik:fnp/5RK6GkVhIi K3WeL0bzQyyyvZM
Size: 301568 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2014-01-31 11:05:56
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):

okyle.exe:2032
okyle.exe:608
%original file name%.exe:452
%original file name%.exe:1124
wuauclt.exe:344
Reader_sl.exe:1064

The Trojan-PSW injects its code into the following process(es):
No processes have been created.

File activity

The process %original file name%.exe:1124 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\Axsyr\okyle.exe (301 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp18b4fbe9.bat (177 bytes)

The process wuauclt.exe:344 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%WinDir%\SoftwareDistribution\DataStore\Logs\edb.chk (100 bytes)
%WinDir%\SoftwareDistribution\DataStore\Logs\edb.log (2384 bytes)
%WinDir%\SoftwareDistribution\DataStore\DataStore.edb (100 bytes)

The Trojan-PSW deletes the following file(s):

%WinDir%\SoftwareDistribution\DataStore\Logs\tmp.edb (0 bytes)

Registry activity

The process okyle.exe:2032 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" = "BE 3A D1 63 5A 53 10 05 B1 A8 0B BC A7 A2 2D 88"

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

The process okyle.exe:608 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" = "94 86 8D 6C 50 1E D2 F1 69 A8 AE 18 FE 30 1B AC"

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

The process %original file name%.exe:452 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" = "31 C3 1A 5D 2A DD 78 ED E2 1E 97 2B B1 B6 47 52"

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

The process %original file name%.exe:1124 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" = "61 1C E7 A0 7F 98 C0 70 BB FB 62 DA F9 27 90 A4"

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

The process Reader_sl.exe:1064 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

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

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

[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"

Network activity (URLs)

URL	IP
hxxp://alimjepara-furniture.com/store/file.php	174.120.70.220

HOSTS file anomalies

No changes have been detected.

Rootkit activity

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

PlaySoundW

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

HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA

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 ADVAPI32.dll:

CreateProcessAsUserA
CreateProcessAsUserW

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

WSASend
gethostbyname
send
closesocket
getaddrinfo

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

ExitProcess
GetFileAttributesExW

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

NtCreateThread

Propagation

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):
   

   okyle.exe:2032
   okyle.exe:608
   %original file name%.exe:452
   %original file name%.exe:1124
   wuauclt.exe:344
   

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\Axsyr\okyle.exe (301 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp18b4fbe9.bat (177 bytes)
   %WinDir%\SoftwareDistribution\DataStore\Logs\edb.chk (100 bytes)
   %WinDir%\SoftwareDistribution\DataStore\Logs\edb.log (2384 bytes)
   %WinDir%\SoftwareDistribution\DataStore\DataStore.edb (100 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.