TrojanPSW.Win32.Zbot_61925f6fda – Adaware

Trojan.Win32.Llac.dcxp (Kaspersky), Trojan.GenericKD.1711332 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan, Backdoor

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: 61925f6fda6176fd448918c40ce64d39

SHA1: adef13a7561fcb9ebc2c2be5b5ce6e18b3deb469

SHA256: 65011ed50eeff4fc34d07d4ae9fdb8bc6dec12e97a7795828d231ef7a6ae7059

SSDeep: 24576:URmJkcoQricOIQxiZY1iazeOLUQi6DSi4rcM:xJZoQrbTFZY1iazeOon

Size: 972639 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: AirInstaller

Created at: 2012-01-29 23:32:28

Analyzed on: WindowsXP SP3 32-bit

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

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

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

%original file name%.exe:3104
%original file name%.exe:452
oqiko.exe:1272
oqiko.exe:1312

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

Explorer.EXE:1948

Mutexes

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

File activity

The process %original file name%.exe:3104 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\Tiky\oqiko.exe (6413 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp51a3c031.bat (177 bytes)

Registry activity

The process %original file name%.exe:3104 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" = "8E A3 9A 7D EE 3E 81 39 EF 8C 92 94 79 E5 58 8E"

[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" = "1C AB 09 C0 4C A2 95 04 1E F2 4A 7F DC D6 B9 45"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

The process oqiko.exe:1272 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" = "A2 D3 97 15 79 1A 32 87 73 69 7F 2A 9D 30 FF EB"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

The process oqiko.exe:1312 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" = "8A 0F E4 80 F2 6F 0F F2 BA 56 75 2B 56 D0 29 BD"

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

Dropped PE files

MD5	File path
00fd6105a6504c853c3b850565ca42a3	c:\Documents and Settings\"%CurrentUserName%"\Application Data\Tiky\oqiko.exe

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

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

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*

Scan a system with an anti-rootkit tool.
Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:3104
%original file name%.exe:452
oqiko.exe:1272
oqiko.exe:1312
Delete the original Trojan-PSW file.
Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Application Data\Tiky\oqiko.exe (6413 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp51a3c031.bat (177 bytes)
Reboot the computer.

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

Static Analysis

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)

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

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	525852	526336	4.63347	61ffce4768976fa0dd2a8f6a97b1417a
.rdata	532480	57280	57344	3.32693	0354bc5f2376b5e9a4a3ba38b682dff1
.data	589824	108376	26624	1.49032	8033f5a38941b4685bc2299e78f31221
.rsrc	700416	35968	36352	3.61332	b1d89384783d565760547a4e591130d5

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

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

Strings from Dumps

Explorer.EXE_1948_rwx_01100000_0003B000:

.text

`.data

.reloc

%s, u %s %u u:u:u GMT

HTTP/1.1

HTTP/1.0

http://

; charset=%s

HTTP/1.1 %u %s

Date: %s

Content-Length: %u

Expires: %s

Content-Type: %s%s

ID: %s

value_%s

value_%s_%s

%s = "%s";

update.exe

config.bin

PR_OpenTCPSocket

cit_ffcookie.module

cit_video.module

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

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

urlmon.dll

cabinet.dll

http://xxxxxxxx.com/xxxx/xxxx.php

%s%s%s

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

6;:5;66"

,1;(,; = 1

<! 8="8"><pre>'472%9,{</pre><pre>F@ICTQ}cRTWAunO}mmts}NX~csgzn~)[jzyemer\]ika</pre><pre>8/3.xae4LOa</pre><pre>6 !26!1'1!</pre><pre>https://</pre><pre>HTTP/1.</pre><pre>facebook.com</pre><pre>Cookie: %s</pre><pre>Referer: %s</pre><pre>Accept: %s</pre><pre>Accept-Language: %s</pre><pre>Accept-Encoding: %s</pre><pre>_getFirefoxCookie</pre><pre>http://www.google.com/webhp</pre><pre>SSShD</pre><pre>SSShXe</pre><pre>SSShye</pre><pre>GetProcessHeap</pre><pre>CreatePipe</pre><pre>KERNEL32.dll</pre><pre>MsgWaitForMultipleObjects</pre><pre>OpenWindowStationW</pre><pre>GetProcessWindowStation</pre><pre>CreateWindowStationW</pre><pre>CloseWindowStation</pre><pre>SetProcessWindowStation</pre><pre>SetKeyboardState</pre><pre>ExitWindowsEx</pre><pre>GetKeyboardState</pre><pre>MapVirtualKeyW</pre><pre>GetKeyboardLayoutList</pre><pre>USER32.dll</pre><pre>RegCreateKeyExW</pre><pre>RegOpenKeyExW</pre><pre>RegCloseKey</pre><pre>RegCreateKeyW</pre><pre>RegEnumKeyW</pre><pre>RegQueryInfoKeyW</pre><pre>RegEnumKeyExW</pre><pre>ADVAPI32.dll</pre><pre>UrlUnescapeA</pre><pre>SHDeleteKeyW</pre><pre>PathIsURLW</pre><pre>SHLWAPI.dll</pre><pre>ShellExecuteW</pre><pre>SHELL32.dll</pre><pre>Secur32.dll</pre><pre>SetViewportOrgEx</pre><pre>GDI32.dll</pre><pre>WS2_32.dll</pre><pre>PFXImportCertStore</pre><pre>CertDeleteCertificateFromStore</pre><pre>CertOpenSystemStoreW</pre><pre>CertCloseStore</pre><pre>CertEnumCertificatesInStore</pre><pre>CertDuplicateCertificateContext</pre><pre>PFXExportCertStoreEx</pre><pre>CRYPT32.dll</pre><pre>HttpSendRequestExA</pre><pre>HttpQueryInfoA</pre><pre>HttpSendRequestExW</pre><pre>HttpSendRequestW</pre><pre>HttpOpenRequestA</pre><pre>HttpOpenRequestW</pre><pre>HttpEndRequestA</pre><pre>HttpSendRequestA</pre><pre>HttpEndRequestW</pre><pre>InternetCrackUrlA</pre><pre>HttpAddRequestHeadersW</pre><pre>GetUrlCacheEntryInfoW</pre><pre>HttpAddRequestHeadersA</pre><pre>WININET.dll</pre><pre>OLEAUT32.dll</pre><pre>NETAPI32.dll</pre><pre>VERSION.dll</pre><pre>WINMM.dll</pre><pre>PSSSSSSh</pre><pre>3$3*30383</pre><pre>6|7k7u7</pre><pre>9 :1:::@:</pre><pre>42>204:4</pre><pre>sXXXX</pre><pre>nspr4.dll</pre><pre>chrome.dll</pre><pre>\StringFileInfo\xx\%s</pre><pre>ntdll.dll</pre><pre>kernel32.dll</pre><pre>"%s" %s</pre><pre>/c "%s"</pre><pre>%sx.%s</pre><pre>%sx</pre><pre>SELECT * FROM %s</pre><pre>Company: %s</pre><pre>Product: %s</pre><pre>Version: %s</pre><pre>Software\Microsoft\Windows\CurrentVersion\Uninstall</pre><pre>%u: %s | %s | %s</pre><pre>Global\XXX</pre><pre>SysShadow</pre><pre>Chrome</pre><pre>Firefox</pre><pre>%Documents and Settings%\%current user%\Application Data</pre><pre>{1D311445-0522-B713-E0EC-4BF93E9FBFAA}</pre><pre>%Documents and Settings%\%current user%\Application Data\Vaivv\hepoe.qym</pre><pre>%Documents and Settings%\%current user%\Application Data\Vaivv</pre><pre>hepoe.qym</pre><pre>Global\{8B4AA660-B707-2168-E0EC-4BF93E9FBFAA}</pre><pre>%Documents and Settings%\%current user%\Application Data\Guubu\epty.ziw</pre><pre>%Documents and Settings%\%current user%\Application Data\Guubu</pre><pre>epty.ziw</pre></!>