Trojan-Dropper.Win32.Autoit.bpz (Kaspersky), Trojan.GenericKD.2054990 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, 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: 4f6540088a5d70594b9282f0da542cf4
SHA1: ca155de1b7c01565259a7ff957814aaae0dc9857
SHA256: aeedcf6100e0b73587a3d048fcc1a6e0be9303259fbc310f192e623dae3248c2
SSDeep: 24576:K4lavt0LkLL9IMixoEgeawq1WYpqKoBoThhxyj51Gq9MmCS:dkwkn9IMHeaTWYpqKoBoThh3aPCS
Size: 1253888 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: StdLib
Created at: 2014-12-27 08:51:36
Analyzed on: WindowsXPESX 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):
uwboi.exe:3536
2678.exe:2920
%original file name%.exe:2464
The Trojan 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 2678.exe:2920 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Hoboic\uwboi.exe (164 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp91e1eaf5.bat (185 bytes)
The process %original file name%.exe:2464 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\2678\2678.exe (164 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\2678\2678.exe (0 bytes)
Registry activity
The process uwboi.exe:3536 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "88 B7 FA 48 4C 84 C7 CE B2 59 EC AD 6B 95 E2 2F"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process 2678.exe:2920 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4C 0E E2 5A 8A 90 2F 26 4C EA E5 00 0F 88 53 E9"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:2464 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C1 0C A1 77 A4 48 FE EF EF 74 59 0C 1A 5A 3D 35"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\2678]
"2678.exe" = "2678"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
"IntranetName" = "1"
The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
"UNCAsIntranet" = "1"
Dropped PE files
MD5 | File path |
---|---|
f5173a826964cb5cdbd1bbca033d04cd | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Hoboic\uwboi.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
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):
uwboi.exe:3536
2678.exe:2920
%original file name%.exe:2464 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Hoboic\uwboi.exe (164 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp91e1eaf5.bat (185 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\2678\2678.exe (164 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:
File Description:
Comments:
Language: Language Neutral
Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 573044 | 573440 | 4.63126 | 74af66fa540568c59b3868e78900e476 |
.rdata | 577536 | 182122 | 182272 | 4.0072 | 576c856afaad699ad9fe099fc6a9ce33 |
.data | 761856 | 40756 | 25088 | 1.38934 | e6d2e204147f7cdc3055011093632f54 |
.rsrc | 802816 | 429304 | 429568 | 4.93738 | 6cfbd924686f74f6fa272f8f57b20f4c |
.reloc | 1232896 | 42082 | 42496 | 3.63105 | c2f6ddaeef894b7510c3be928eeae5dd |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://rea.co.ke/images/gsdwwk/config.bin | 194.201.253.2 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:31 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:25 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:31 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:25 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:37 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:18 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:18 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was encountered while trying to use an ErrorDocument to handle the request.</p>.</body></html>...
GET /images/gsdwwk/config.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: rea.co.ke
Cache-Control: no-cache
HTTP/1.1 404 Not Found
Date: Tue, 20 Jan 2015 22:13:37 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4
Content-Length: 341
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><head>.<title>404 Not Found</title>.</head><body>.<h1>Not Found</h1>.<p>The requested URL /images/gsdwwk/config.bin was not found on this server.</p>.<p>Additionally, a 404 Not Found.error was e..
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_1948_rwx_01100000_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
hXXp://rea.co.ke/images/gsdwwk/config.bin
hXXp://rea.co.ke/images/gsdwwk/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.
&'/(
&'/(
$!*4,#)<:>
$!*4,#)<:>
mfh{g~amzgs.dgg
mfh{g~amzgs.dgg
:; 1299;2
:; 1299;2
>.Rdd
>.Rdd
userenv.dll
userenv.dll
del "%s"
del "%s"
if exist "%s" goto d
if exist "%s" goto d
del /F "%s"
del /F "%s"
urlmon.dll
urlmon.dll
cabinet.dll
cabinet.dll
hXXp://
hXXp://
hXXps://
hXXps://
HTTP/1.
HTTP/1.
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
t7SSSh
t7SSSh
t"SSSh
t"SSSh
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
MapVirtualKeyW
MapVirtualKeyW
ExitWindowsEx
ExitWindowsEx
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
SetKeyboardState
SetKeyboardState
GetKeyboardState
GetKeyboardState
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
USER32.dll
USER32.dll
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegCloseKey
RegCloseKey
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
HttpOpenRequestA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
HttpSendRequestA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestW
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
HttpAddRequestHeadersW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
t.crp
t.crp
=?>#?.?;?
=?>#?.?;?
9%9)9/939
9%9)9/939
SysShadow
SysShadow
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
cGlobal\XXX
cGlobal\XXX
Global\{63510941-61F1-5FE8-81F8-90BB468A9659}
Global\{63510941-61F1-5FE8-81F8-90BB468A9659}
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{312D8459-1E21-FDC5-9018-914C72CED74A}
{312D8459-1E21-FDC5-9018-914C72CED74A}
%Documents and Settings%\%current user%\Application Data\Odby\actou.zib
%Documents and Settings%\%current user%\Application Data\Odby\actou.zib
%Documents and Settings%\%current user%\Application Data\Odby
%Documents and Settings%\%current user%\Application Data\Odby
actou.zib
actou.zib