MD5: 0b708ca4dc814127da212ad9b453fe31
SHA1: ead2fc216a8957b90c34fa842ec0606d20d4f9b8
SHA256: e009584e416c1285f0e830254538a237a4f6e2f40f268d9c6422ec442952b718
SSDeep: 6144:VPYoIiID0TJ4VnBun0Iv4pUYbLJqV47W3TyyPexiCbJKyMYtvJ:VPYoIiI/lBYQOAYV47WjyyPCbFvJ
Size: 290105 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171
Company: no certificate found
Created at: 2013-10-30 10:01:24

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):

net1.exe:2552
net1.exe:2472
%original file name%.exe:1972
%original file name%.exe:264
net.exe:2340
net.exe:2580
naiqsad.exe:2540
naiqsad.exe:2544

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

ctfmon.exe:1240

File activity

The process %original file name%.exe:264 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\tmpe480aa5c.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Siuth\naiqsad.exe (290105 bytes)

Registry activity

The process ctfmon.exe:1240 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Afvyx]
"Huxoubogv" = "23 FC 8D 2B C0 E0 C0 F4 77 1C 07 95 3A 98 46 4C"

The Trojan-PSW deletes the following value(s) in system registry:
The Trojan-PSW disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

The process net1.exe:2552 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" = "91 8D D9 2B 57 44 1E D6 00 2D 1D D4 66 25 12 CE"

The process net1.exe:2472 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" = "EC 0B B4 F0 97 14 37 C0 B1 A2 9E 3F 06 78 D9 D4"

The process %original file name%.exe:1972 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" = "C4 6B 84 EA 59 DC CA 7D 6A B2 37 BB 11 B7 C5 88"

The process %original file name%.exe:264 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" = "B4 4A 78 0E C0 98 65 44 38 0B 28 0F A5 F7 B3 53"

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

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-PSW 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"

The process net.exe:2340 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" = "43 74 C2 7A A7 F6 F8 70 1F BE BF D4 E0 D2 66 0B"

The process net.exe:2580 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" = "42 FA AA 7D C8 E5 23 D0 C9 F7 38 18 0D 5E 49 F9"

The process naiqsad.exe:2540 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" = "CA 66 BA 3F AE D7 CD 58 C0 44 06 A1 5D 88 D0 17"

The process naiqsad.exe:2544 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" = "63 14 0F 68 F0 32 38 43 C9 9A F4 4C 08 0D 88 27"

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

Network activity (URLs)

URL	IP
hxxp://198.20.73.69/~pbocom/ice/config/index.php

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

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):
   

   net1.exe:2552
   net1.exe:2472
   %original file name%.exe:1972
   %original file name%.exe:264
   net.exe:2340
   net.exe:2580
   naiqsad.exe:2540
   naiqsad.exe:2544

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%\Local Settings\Temp\tmpe480aa5c.bat (177 bytes)
   %Documents and Settings%\%current user%\Application Data\Siuth\naiqsad.exe (290105 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.