HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Generic.KDV.198172 (B) (Emsisoft), Trojan.Generic.KDV.198172 (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: 762d7553a6bb07d45205a719b868af3a
SHA1: 986875e2ce36b0305e9e6e7f7581cfa61385fc20
SHA256: b5c7548383fd59c4feffd7b4c52ad9a09669e76fb612d2ee65ae80840a07dfe4
SSDeep: 3072:8hRXQqjjPmA6lVEO2tI7OR7mpjSxhbu98F4dFRPlLO:8hxlmAIq7mFs2dFa
Size: 163840 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: AirInstaller
Created at: 2004-08-22 20:59:46
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:1808
udxio.exe:1108
The Trojan-PSW injects its code into the following process(es):
Explorer.EXE:532
File activity
The process %original file name%.exe:1808 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\tmp9f9e02a7.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ywrot\udxio.exe (163 bytes)
Registry activity
The process %original file name%.exe:1808 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" = "6A 35 21 F5 1B 1D FF 24 08 32 31 49 34 02 1C F5"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Vyum]
"Ecro" = "17 4E EB 52 27 63 8A 0B F1 ED 62 06 D9 14 7F 02"
The process udxio.exe:1108 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" = "DA 4B 9E 04 D6 2E F8 E2 2E 5A 3E A9 95 D2 2A 40"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Dropped PE files
MD5 | File path |
---|---|
8433911f5023724d8bae5f432f55294d | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Ywrot\udxio.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):
%original file name%.exe:1808
udxio.exe:1108 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Local Settings\Temp\tmp9f9e02a7.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ywrot\udxio.exe (163 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: Rloqu Tdhsoemqe
Product Name: Rloqu Vhqosjvoc Wjpfuadmi
Product Version: 40, 30, 113, 41
Legal Copyright: Copyright (c) Rloqu Tdhsoemqe 2002-2007
Legal Trademarks:
Original Filename: Rloqu.exe
Internal Name: Rloqu
File Version: 40, 30, 113, 41
File Description: Rloqu Vhqosjvoc Wjpfuadmi
Comments:
Language: Language Neutral
Company Name: Rloqu TdhsoemqeProduct Name: Rloqu Vhqosjvoc WjpfuadmiProduct Version: 40, 30, 113, 41Legal Copyright: Copyright (c) Rloqu Tdhsoemqe 2002-2007Legal Trademarks: Original Filename: Rloqu.exeInternal Name: RloquFile Version: 40, 30, 113, 41File Description: Rloqu Vhqosjvoc WjpfuadmiComments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
UPX0 | 4096 | 139264 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
UPX1 | 143360 | 151552 | 151552 | 5.48669 | 7182a479124d838f637449d37975418d |
.rsrc | 294912 | 12288 | 10752 | 3.39431 | 0853612434d8be7197c9f57cb6474a16 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://zsrv.biz/php/cfg004.bin | 82.165.37.26 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:42 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:52 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:47 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:37 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:47 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:37 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:42 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:52 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
GET /php/cfg004.bin HTTP/1.1
Accept: */*
Connection: Close
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: zsrv.biz
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Server: nginx/1.4.7
Date: Sat, 31 May 2014 03:24:57 GMT
Content-Type: text/html
Content-Length: 570
Connection: close
<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.4.7</center>..</body>..</html>..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->..<!-- a padding to disable MSIE and Chrome friendly error page -->....
Map
The Trojan-PSW connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_532_rwx_01E00000_00026000:
.text
.text
`.data
`.data
.reloc
.reloc
http://www.google.com/webhp
http://www.google.com/webhp
userenv.dll
userenv.dll
del "%s"
del "%s"
if exist "%s" goto d
if exist "%s" goto d
del /F "%s"
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.1
HTTP/1.1
urlmon.dll
urlmon.dll
cabinet.dll
cabinet.dll
http://
http://
https://
https://
HTTP/1.
HTTP/1.
PR_OpenTCPSocket
PR_OpenTCPSocket
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
squvUDPZy^K]|FANZ
squvUDPZy^K]|FANZ
8#"0 9>0
8#"0 9>0
1,/*<:=32$
1,/*<:=32$
"?2&!0#8
"?2&!0#8
= *9=*:,:
= *9=*:,:
}4!74&2|
}4!74&2|
%"7!:4;2
%"7!:4;2
/)60-#,%
/)60-#,%
51'33;;2<*
51'33;;2<*
SSSh05
SSSh05
SSShP7
SSShP7
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
ExitWindowsEx
ExitWindowsEx
MapVirtualKeyW
MapVirtualKeyW
GetKeyboardState
GetKeyboardState
SetKeyboardState
SetKeyboardState
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
USER32.dll
USER32.dll
RegCreateKeyExW
RegCreateKeyExW
RegOpenKeyExW
RegOpenKeyExW
RegCloseKey
RegCloseKey
RegEnumKeyExW
RegEnumKeyExW
ADVAPI32.dll
ADVAPI32.dll
UrlUnescapeA
UrlUnescapeA
SHDeleteKeyW
SHDeleteKeyW
PathIsURLW
PathIsURLW
SHLWAPI.dll
SHLWAPI.dll
ShellExecuteW
ShellExecuteW
SHELL32.dll
SHELL32.dll
Secur32.dll
Secur32.dll
SetViewportOrgEx
SetViewportOrgEx
GDI32.dll
GDI32.dll
WS2_32.dll
WS2_32.dll
PFXImportCertStore
PFXImportCertStore
CertDeleteCertificateFromStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertOpenSystemStoreW
CertCloseStore
CertCloseStore
CertEnumCertificatesInStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
CertDuplicateCertificateContext
PFXExportCertStoreEx
PFXExportCertStoreEx
CRYPT32.dll
CRYPT32.dll
HttpSendRequestExA
HttpSendRequestExA
HttpQueryInfoA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestW
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
HttpAddRequestHeadersW
HttpAddRequestHeadersA
HttpAddRequestHeadersA
HttpSendRequestA
HttpSendRequestA
InternetCrackUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpOpenRequestA
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
?$?*?0?^?{?
?$?*?0?^?{?
9!: :1:;:
9!: :1:;:
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
nspr4.dll
nspr4.dll
cGlobal\XXX
cGlobal\XXX
SysShadow
SysShadow
%Documents and Settings%\%current user%\Application Data\Ybgyk\feyfx.tuc
%Documents and Settings%\%current user%\Application Data\Ybgyk\feyfx.tuc
%Documents and Settings%\%current user%\Application Data\Ybgyk
%Documents and Settings%\%current user%\Application Data\Ybgyk
feyfx.tuc
feyfx.tuc
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{B6E023F6-5FFE-6FA5-55CF-EC97D3907B28}
{B6E023F6-5FFE-6FA5-55CF-EC97D3907B28}
Global\{209B91DD-EDD5-F9DE-55CF-EC97D3907B28}
Global\{209B91DD-EDD5-F9DE-55CF-EC97D3907B28}