Trojan-Downloader.Win32.Andromeda.smw (Kaspersky), Trojan.Generic.KDZ.9641 (B) (Emsisoft), Trojan.Generic.KDZ.9641 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-Downloader, 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: e8065df8a906c05eb6b6c05d5427b591
SHA1: 4441405a3a6a47d82ad1589dbb2083c7eeb5a4ec
SHA256: 5411833f6981ee2eaaf92b68ff03749421b01897e6c743ed02a1e1a69e8e1dec
SSDeep: 6144:LZMWTa8mbUYkzJDV5JwMC3i9XRGW0NyrRW:O0aBbRkzT5Jwn4TgyrRW
Size: 264551 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-02-28 22:20:53
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
%original file name%.exe:860
%original file name%.exe:228
ciorc.exe:188
ciorc.exe:1336
The Trojan injects its code into the following process(es):
Explorer.EXE:1572
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:228 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Laescu\ciorc.exe (264 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp018b617f.bat (177 bytes)
Registry activity
The process %original file name%.exe:860 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "16 D6 82 34 F1 7A 19 25 55 1D 65 18 2B 42 BF 75"
The process %original file name%.exe:228 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "59 CC 73 79 EE D5 A1 8E 36 C4 DD 54 5F B9 63 02"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process ciorc.exe:188 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E5 7C A7 33 FE 10 E8 01 43 AF DA 42 33 0E F2 8E"
The process ciorc.exe:1336 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "25 B7 E1 A5 C0 D1 F6 C5 BC E1 1D 14 51 05 0B D4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Dropped PE files
MD5 | File path |
---|---|
63f2e074340eb6b277fa8a5026c56e52 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Laescu\ciorc.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in WINMM.dll:
PlaySoundW
The Trojan installs the following user-mode hooks in WININET.dll:
HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA
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 ADVAPI32.dll:
CreateProcessAsUserA
CreateProcessAsUserW
The Trojan installs the following user-mode hooks in WS2_32.dll:
WSASend
gethostbyname
send
closesocket
getaddrinfo
The Trojan installs the following user-mode hooks in kernel32.dll:
ExitProcess
GetFileAttributesExW
The Trojan 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:860
%original file name%.exe:228
ciorc.exe:188
ciorc.exe:1336 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Laescu\ciorc.exe (264 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp018b617f.bat (177 bytes) - Reboot the computer.
Static Analysis
VersionInfo
No information is available.
No information is available.
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.code | 4096 | 8078 | 8192 | 3.78602 | 9489520ce884d7a316ea3eb1fd8e1169 |
.text | 12288 | 20364 | 20480 | 4.61985 | 4bf3d740d6a8310f6d65594190716319 |
.rdata | 32768 | 328 | 512 | 2.36046 | ded9aa841c1878b46a43c0e35756796e |
.data | 36864 | 13000 | 3584 | 3.37906 | f6758a3c22565710cdf7e87637dbca6c |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 1
2eef79fd0a5acee3d19d863986a3235e
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_1572_rwx_01EA0000_0003C000:
.text
.text
`.data
`.data
.reloc
.reloc
%s%s%s
%s%s%s
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
%s, u %s %u u:u:u GMT
%s, u %s %u u:u:u GMT
HTTP/1.1
HTTP/1.1
HTTP/1.0
HTTP/1.0
hXXp://
hXXp://
; charset=%s
; charset=%s
HTTP/1.1 %u %s
HTTP/1.1 %u %s
Date: %s
Date: %s
Content-Length: %u
Content-Length: %u
Expires: %s
Expires: %s
Content-Type: %s%s
Content-Type: %s%s
ID: %s
ID: %s
value_%s
value_%s
value_%s_%s
value_%s_%s
%s = "%s";
%s = "%s";
facebook.com
facebook.com
hXXps://
hXXps://
Cookie: %s
Cookie: %s
Referer: %s
Referer: %s
Accept: %s
Accept: %s
Accept-Language: %s
Accept-Language: %s
Accept-Encoding: %s
Accept-Encoding: %s
= *9=*:,:*
= *9=*:,:*
6%! ."$=;
6%! ."$=;
2-'5=
2-'5=
(/:,062.{1/3
(/:,062.{1/3
)4>-)>.8.
)4>-)>.8.
1,&51&6 6
1,&51&6 6
$#6 ;5:3
$#6 ;5:3
,(>**"" %3
,(>**"" %3
==$">"*|9=
==$">"*|9=
Vimfjst&Ea}o-Ang}
Vimfjst&Ea}o-Ang}
0-'40'7!7'
0-'40'7!7'
-'64)076)
-'64)076)
$/9%:'1"
$/9%:'1"
=9;=!5\\
=9;=!5\\
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
_getFirefoxCookie
_getFirefoxCookie
HTTP/1.
HTTP/1.
PR_OpenTCPSocket
PR_OpenTCPSocket
cit_ffcookie.module
cit_ffcookie.module
cit_video.module
cit_video.module
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://xxxxxxxx.com/xxxx/xxxx.php
hXXp://xxxxxxxx.com/xxxx/xxxx.php
update.exe
update.exe
config.bin
config.bin
CreatePipe
CreatePipe
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
GetKeyboardLayoutList
GetKeyboardLayoutList
ExitWindowsEx
ExitWindowsEx
SetKeyboardState
SetKeyboardState
MapVirtualKeyW
MapVirtualKeyW
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
GetKeyboardState
GetKeyboardState
USER32.dll
USER32.dll
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegCloseKey
RegCloseKey
RegCreateKeyW
RegCreateKeyW
RegEnumKeyW
RegEnumKeyW
RegQueryInfoKeyW
RegQueryInfoKeyW
RegCreateKeyExW
RegCreateKeyExW
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
CertDeleteCertificateFromStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertOpenSystemStoreW
CertCloseStore
CertCloseStore
PFXImportCertStore
PFXImportCertStore
CertEnumCertificatesInStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
CertDuplicateCertificateContext
PFXExportCertStoreEx
PFXExportCertStoreEx
CRYPT32.dll
CRYPT32.dll
HttpQueryInfoA
HttpQueryInfoA
InternetCrackUrlA
InternetCrackUrlA
HttpAddRequestHeadersW
HttpAddRequestHeadersW
HttpOpenRequestA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
HttpSendRequestExA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestW
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpOpenRequestW
HttpOpenRequestW
HttpEndRequestA
HttpEndRequestA
HttpSendRequestA
HttpSendRequestA
HttpEndRequestW
HttpEndRequestW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
VERSION.dll
VERSION.dll
WINMM.dll
WINMM.dll
PSSSSSSh
PSSSSSSh
2 2$2(2,2024282
2 2$2(2,2024282
42>204:4
42>204:4
Process: %s
Process: %s
Input: %s
Input: %s
sXXXX
sXXXX
SysShadow
SysShadow
Company: %s
Company: %s
Product: %s
Product: %s
Version: %s
Version: %s
Software\Microsoft\Windows\CurrentVersion\Uninstall
Software\Microsoft\Windows\CurrentVersion\Uninstall
%u: %s | %s | %s
%u: %s | %s | %s
Chrome
Chrome
Firefox
Firefox
Global\XXX
Global\XXX
nspr4.dll
nspr4.dll
chrome.dll
chrome.dll
\StringFileInfo\xx\%s
\StringFileInfo\xx\%s
ntdll.dll
ntdll.dll
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
SELECT * FROM %s
SELECT * FROM %s
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{8C23627F-B587-84AE-7E5F-D433EC1486CD}
{8C23627F-B587-84AE-7E5F-D433EC1486CD}
%Documents and Settings%\%current user%\Application Data\Owkua\ziel.kue
%Documents and Settings%\%current user%\Application Data\Owkua\ziel.kue
%Documents and Settings%\%current user%\Application Data\Owkua
%Documents and Settings%\%current user%\Application Data\Owkua
ziel.kue
ziel.kue
Global\{1A58D05A-07A2-12D5-7E5F-D433EC1486CD}
Global\{1A58D05A-07A2-12D5-7E5F-D433EC1486CD}
%Documents and Settings%\%current user%\Application Data\Olkeu\goep.ivb
%Documents and Settings%\%current user%\Application Data\Olkeu\goep.ivb
%Documents and Settings%\%current user%\Application Data\Olkeu
%Documents and Settings%\%current user%\Application Data\Olkeu
goep.ivb
goep.ivb