Trojan.Win32.Buzus.opks (Kaspersky), Trojan.Generic.11350099 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, 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: 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.
Dynamic Analysis
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
MD5 | File path |
---|---|
4030347db269b344a41a9db3b7ad52c6 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Maip\yxov.exe |
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
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):
yxov.exe:1516
yxov.exe:696
%original file name%.exe:1192
%original file name%.exe:1512 - 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\Maip\yxov.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp2d20acc8.bat (177 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.
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 | 184168 | 184320 | 2.83937 | 83ab57222cdb6365b67c16e0267f0983 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 2
059faf10ab3897e56dfb81692c7d4ef0
df8d6550aecc4da85e1df2e581f63d9b
Network Activity
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)
Traffic
Map
The Trojan-PSW connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_128_rwx_00E70000_0002C000:
.text
.text
`.data
`.data
.reloc
.reloc
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
HTTP/1.1
HTTP/1.1
http://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/config.bin
http://candlerparkchiropractic.com/wp-includes/pomo/adminpanel/modules/config.bin
Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
pufjwdx.jvh
pufjwdx.jvh
" !=%(>";;
" !=%(>";;
=225;6%%7!=
=225;6%%7!=
3:6 1*7=$;-
3:6 1*7=$;-
*4*-0*1?7!
*4*-0*1?7!
MK[(bocmdgs
MK[(bocmdgs
15#77??68.
15#77??68.
&'/( <99
&'/( <99
$!*4,#)<:
$!*4,#)<:
mfh{g~amzgs.dgg
mfh{g~amzgs.dgg
:; 1299;2
:; 1299;2
>.Rdd
>.Rdd
<-?><pre>userenv.dll</pre><pre>del "%s"</pre><pre>if exist "%s" goto d</pre><pre>del /F "%s"</pre><pre>urlmon.dll</pre><pre>cabinet.dll</pre><pre>http://</pre><pre>https://</pre><pre>HTTP/1.</pre><pre>http://www.google.com/webhp</pre><pre>t7SSSh</pre><pre>t"SSSh</pre><pre>GetProcessHeap</pre><pre>KERNEL32.dll</pre><pre>MapVirtualKeyW</pre><pre>ExitWindowsEx</pre><pre>OpenWindowStationW</pre><pre>GetProcessWindowStation</pre><pre>CreateWindowStationW</pre><pre>CloseWindowStation</pre><pre>SetProcessWindowStation</pre><pre>SetKeyboardState</pre><pre>GetKeyboardState</pre><pre>MsgWaitForMultipleObjects</pre><pre>USER32.dll</pre><pre>RegOpenKeyExW</pre><pre>RegEnumKeyExW</pre><pre>RegCloseKey</pre><pre>RegCreateKeyExW</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>CertDeleteCertificateFromStore</pre><pre>CertOpenSystemStoreW</pre><pre>CertCloseStore</pre><pre>PFXImportCertStore</pre><pre>CertEnumCertificatesInStore</pre><pre>CertDuplicateCertificateContext</pre><pre>PFXExportCertStoreEx</pre><pre>CRYPT32.dll</pre><pre>HttpQueryInfoA</pre><pre>InternetCrackUrlA</pre><pre>HttpOpenRequestA</pre><pre>HttpAddRequestHeadersA</pre><pre>HttpSendRequestA</pre><pre>HttpSendRequestExA</pre><pre>HttpSendRequestExW</pre><pre>HttpSendRequestW</pre><pre>GetUrlCacheEntryInfoW</pre><pre>HttpAddRequestHeadersW</pre><pre>WININET.dll</pre><pre>OLEAUT32.dll</pre><pre>NETAPI32.dll</pre><pre>x@@zZ.da</pre><pre>=?>#?.?;?</pre><pre>9%9)9/939</pre><pre>SysShadow</pre><pre>kernel32.dll</pre><pre>"%s" %s</pre><pre>/c "%s"</pre><pre>%sx.%s</pre><pre>%sx</pre><pre>cGlobal\XXX</pre><pre>Global\{BDC01C55-EFE9-C66E-EE07-19ED5888CC8C}</pre><pre>%Documents and Settings%\%current user%\Application Data</pre><pre>{7ACF9740-1CFB-C6A3-60B2-76A948962DAE}</pre><pre>%Documents and Settings%\%current user%\Application Data\Ispon\idhui.hod</pre><pre>%Documents and Settings%\%current user%\Application Data\Ispon</pre><pre>idhui.hod</pre></-?>