Trojan.Win32.Autoit.ecr (Kaspersky), Gen:Trojan.Heur.AutoIT.10 (B) (Emsisoft), Gen:Trojan.Heur.AutoIT.10 (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: 30ed98b5d915072d745d90e4ae5536fa
SHA1: cdcb0de16eccad2b81f588659ea94da18fe83210
SHA256: 6de3c890d02d5e09fd0188575b9d66def99bdb2fa16c5593d5e006e86b8dc03c
SSDeep: 12288:5H7Wcjdc/r2sxxiPGGAOOPSXDV8ClgVYhX5FSsf8QUeCNjBN zgjD8NH7:5bCj2sObHtqQ4QUX O8B7
Size: 845173 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2010-01-15 18:09:54
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 creates the following process(es):
kuow.exe:1176
kuow.exe:1196
%original file name%.exe:212
%original file name%.exe:1332
The Trojan injects its code into the following process(es):
Explorer.EXE:532
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:212 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Peox\kuow.exe (3918 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp615908ff.bat (177 bytes)
Registry activity
The process kuow.exe:1176 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B1 1C 5F 75 EC D0 73 CF E7 05 EC 6E 15 CD 72 6F"
[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 kuow.exe:1196 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 C1 2B F0 36 DE 62 E4 AF 81 1A 0B 9F 0C 2D 3E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:212 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "43 C6 72 51 4F 09 43 35 B9 6D FC 7B 4D B3 89 74"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:1332 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "60 A3 8D C5 42 D2 2D 7D 60 D0 7B 95 9C EB 86 11"
[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 |
---|---|
b5afc0ee3948d46bca4c11646603732b | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Peox\kuow.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in WININET.dll:
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
The Trojan installs the following user-mode hooks in CRYPT32.dll:
PFXImportCertStore
The Trojan 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 installs the following user-mode hooks in WS2_32.dll:
WSASend
send
closesocket
The Trojan installs the following user-mode hooks in kernel32.dll:
GetFileAttributesExW
The Trojan 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):
kuow.exe:1176
kuow.exe:1196
%original file name%.exe:212
%original file name%.exe:1332 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Peox\kuow.exe (3918 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp615908ff.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, 4, 0
File Description:
Comments:
Language: Chinese (Simplified, PRC)
Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: 3, 3, 4, 0File Description: Comments: Language: Chinese (Simplified, PRC)
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 529573 | 529920 | 4.5745 | 09b535a462dc9bc31ff989ae945245fb |
.rdata | 536576 | 54946 | 55296 | 3.40395 | ee9f84e12eed9971b81699f57b3171e9 |
.data | 593920 | 94008 | 12800 | 2.85045 | b2ac8e862b8d6d111d389ff9f306d5f3 |
.rsrc | 688128 | 179412 | 179712 | 5.1425 | 71109833eac2e17472095994c411e7f9 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://simplism.hk/demo/crm/example/default/config.bin | 202.67.155.148 |
hxxp://simplism.hk/ | 202.67.155.148 |
hxxp://www.simplism.hk/ | 202.67.155.148 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET /demo/crm/example/default/config.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: simplism.hk
Cache-Control: no-cache
HTTP/1.1 302 Moved Temporarily
Date: Fri, 20 Nov 2015 00:58:08 GMT
Server: Apache/2.4.6 (Unix) OpenSSL/1.0.0-fips mod_bwlimited/1.4
X-Powered-By: PHP/5.2.17
Location: hXXp://VVV.simplism.hk/
Content-Length: 0
Connection: close
Content-Type: text/html
GET / 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)
Cache-Control: no-cache
Host: VVV.simplism.hk
HTTP/1.1 200 OK
Date: Fri, 20 Nov 2015 00:58:09 GMT
Server: Apache/2.4.6 (Unix) OpenSSL/1.0.0-fips mod_bwlimited/1.4
X-Powered-By: PHP/5.2.17
X-Pingback: hXXp://VVV.simplism.hk/xmlrpc.php
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8
105c..<!DOCTYPE html>..<html lang="en-GB">..<head>..<meta charset="UTF-8">..<meta name="viewport" content="width=device-width, initial-scale=1">..<title>SIMPLISM | Creative Multimedia Production</title>..<link rel="profile" href="http://gmpg.org/xfn/11">..<link rel="pingback" href="hXXp://VVV.simplism.hk/xmlrpc.php">..<link rel="alternate" type="application/rss xml" title="SIMPLISM » Feed" href="hXXp://VVV.simplism.hk/feed/" />.<link rel="alternate" type="application/rss xml" title="SIMPLISM » Comments Feed" href="hXXp://VVV.simplism.hk/comments/feed/" />...<script type="text/javascript">....window._wpemojiSettings = {"baseUrl":"http:\/\/s.w.org\/images\/core\/emoji\/72x72\/","ext":".png","source":{"concatemoji":"http:\/\/VVV.simplism.hk\/wp-includes\/js\/wp-emoji-release.min.js?ver=4.3.1"}};....!function(a,b,c){function d(a){var c=b.createElement("canvas"),d=c.getContext&&c.getContext("2d");return d&&d.fillText?(d.textBaseline="top",d.font="600 32px Arial","flag"===a?(d.fillText(String.fromCharCode(55356,56812,55356,56807),0,0),c.toDataURL().length>3e3):(d.fillText(String.fromCharCode(55357,56835),0,0),0!==d.getImageData(16,16,1,1).data[0])):!1}function e(a){var c=b.createElement("script");c.src=a,c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g;c.supports={simple:d("simple"),flag:d("flag")},c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.simple&&c.supports.flag||(g=functio
<<< skipped >>>
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_532_rwx_00ED0000_00027000:
.text
.text
`.data
`.data
.reloc
.reloc
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
PR_OpenTCPSocket
PR_OpenTCPSocket
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
: ;2*8.>
: ;2*8.>
3.#70!2)
3.#70!2)
x#m`a`cmddt-
x#m`a`cmddt-
6 !26!1'1
6 !26!1'1
7"52),,>
7"52),,>
;
;
71.(5;4=
71.(5;4=
(203,2$0
(203,2$0
/?./,5
/?./,5
:>(
:>(
8%/
8%/
%/>!
%/>!
HTTP/1.1
HTTP/1.1
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)
urlmon.dll
urlmon.dll
cabinet.dll
cabinet.dll
hXXp://
hXXp://
hXXps://
hXXps://
HTTP/1.
HTTP/1.
SSSh,4
SSSh,4
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
SetKeyboardState
SetKeyboardState
ExitWindowsEx
ExitWindowsEx
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
MapVirtualKeyW
MapVirtualKeyW
GetKeyboardState
GetKeyboardState
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
USER32.dll
USER32.dll
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegCloseKey
RegCloseKey
RegCreateKeyExW
RegCreateKeyExW
ADVAPI32.dll
ADVAPI32.dll
PathIsURLW
PathIsURLW
UrlUnescapeA
UrlUnescapeA
SHDeleteKeyW
SHDeleteKeyW
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
HttpSendRequestA
HttpSendRequestA
InternetCrackUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
HttpAddRequestHeadersW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
6 6&6/656{6
6 6&6/656{6
cGlobal\XXX
cGlobal\XXX
nspr4.dll
nspr4.dll
nss3.dll
nss3.dll
SysShadow
SysShadow
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
%Documents and Settings%\%current user%\Application Data\Usogru\enel.yqy
%Documents and Settings%\%current user%\Application Data\Usogru\enel.yqy
%Documents and Settings%\%current user%\Application Data\Usogru
%Documents and Settings%\%current user%\Application Data\Usogru
enel.yqy
enel.yqy
Global\{4C4467FD-9547-4848-AF2F-43C5FFDD57B7}
Global\{4C4467FD-9547-4848-AF2F-43C5FFDD57B7}
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
k{DA3FD5D8-2762-DE33-AF2F-43C5FFDD57B7}
k{DA3FD5D8-2762-DE33-AF2F-43C5FFDD57B7}