Trojan.GenericKD.3338268_9c418a3e00
HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.GenericKD.3338268 (B) (Emsisoft), Trojan.GenericKD.3338268 (AdAware), Backdoor.Win32.Farfli.FD, Backdoor.Win32.Xtrat.FD, Trojan.Win32.IEDummy.FD, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor, Worm, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
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MD5: 9c418a3e00a345d02a3f57eba92e9f1e
SHA1: a78e999b98071acb88b7bc497f5a8e606d26c0b8
SHA256: 8b9175b560a2c065265b969c3e5ad04c4d6a07960d784291dcbc30c0384b8675
SSDeep: 3072: oHI/Xd6xEI04xbJWT6U9pM/2/TnIDHtVMARdSd3sC: oHI/2zxce4cynENI
Size: 148480 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2016-06-22 11:39:17
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).
Payload
| Behaviour | Description |
|---|---|
| WormAutorun | A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer. |
Process activity
The Trojan creates the following process(es):
%original file name%.exe:1504
Tempserver.exe:1744
Tempserver.exe:1752
The Trojan injects its code into the following process(es):
svchost.exe:1400
iexplore.exe:460
Mutexes
The following mutexes were created/opened:
No objects were found.
File activity
The process %original file name%.exe:1504 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Tempserver.exe (132 bytes)
The process Tempserver.exe:1744 makes changes in the file system.
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\x.html (0 bytes)
The process Tempserver.exe:1752 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe (673 bytes)
%WinDir%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new (804 bytes)
%WinDir%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new (804 bytes)
Registry activity
The process %original file name%.exe:1504 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5E F4 9E A8 81 78 CE E0 FC 6F 12 19 2C AB 25 60"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[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\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Local Settings]
"Tempserver.exe" = ""
[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\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\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"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"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process Tempserver.exe:1744 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C0 AF 92 B6 42 4A 1E 1C 95 5B DB 60 AC 4B 4C D1"
[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\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\XtremeRAT]
"Mutex" = "qy6ac30V4"
The process Tempserver.exe:1752 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "50 64 E4 99 FD 63 C7 30 99 8F D9 44 78 7C E3 F9"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Internet Explorer]
"iexplore.exe" = "Internet Explorer"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe"
Dropped PE files
| MD5 | File path |
|---|---|
| b7912a4d1356e953bf90d5e7fd9e14fb | c:\Documents and Settings\"%CurrentUserName%"\Application DataMicrosoft\System\Services\18.exe |
| b7912a4d1356e953bf90d5e7fd9e14fb | c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Tempserver.exe |
| b7912a4d1356e953bf90d5e7fd9e14fb | c:\WINDOWS\InstallDir\r.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.
VersionInfo
Company Name: Microsoft
Product Name: A
Product Version: 1.0.0.0
Legal Copyright: Copyright (c) Microsoft 2016
Legal Trademarks:
Original Filename: A.exe
Internal Name: A.exe
File Version: 1.0.0.0
File Description: A
Comments:
Language: Language Neutral
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 8192 | 143252 | 143360 | 4.79709 | 20bc3dd05557908b55e2a7094d1e15e6 |
| .sdata | 155648 | 122 | 512 | 1.22847 | 250f853e81167b8e8d7b33769963307a |
| .rsrc | 163840 | 2624 | 3072 | 2.51988 | 2b9e86713d660457c35dc45a0328fc60 |
| .reloc | 172032 | 12 | 512 | 0.070639 | 49867da7dd764280c536213e252be411 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
URLs
| URL | IP |
|---|---|
| hxxp://www.google.com/ | |
| hxxp://www.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl4LgAw |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET / HTTP/1.1
Accept: */*
Accept-Language: en-us
Accept-Encoding: gzip, deflate
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: VVV.google.com
Connection: Keep-Alive
HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl4LgAw
Content-Length: 262
Date: Wed, 27 Jul 2016 00:34:41 GMT<HTML><HEAD><meta http-equiv="content-type" content="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR
8gfJl4LgAw">here</A>...</BODY></HTML>..HTTP/1.1 3
02 Found..Cache-Control: private..Content-Type: text/html; charset=UTF
-8..Location: hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl
4LgAw..Content-Length: 262..Date: Wed, 27 Jul 2016 00:34:41 GMT..<H
TML><HEAD><meta http-equiv="content-type" content="text/ht
ml;charset=utf-8">.<TITLE>302 Moved</TITLE></HEAD>
;<BODY>.<H1>302 Moved</H1>.The document has moved.&l
t;A HREF="hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl
4LgAw">here</A>...</BODY></HTML>....
GET /?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl4LgAw HTTP/1.1
Accept: */*
Accept-Language: en-us
Accept-Encoding: gzip, deflate
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: VVV.google.com.ua
Connection: Keep-Alive
HTTP/1.1 302 Found
Location: hXXps://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsjR8gfJl4LgAw&gws_rd=ssl
Cache-Control: private
Content-Type: text/html; charset=UTF-8
P3P: CP="This is not a P3P policy! See hXXps://VVV.google.com/support/accounts/answer/151657?hl=en for more info."
Date: Wed, 27 Jul 2016 00:34:41 GMT
Server: gws
Content-Length: 278
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Set-Cookie: NID=83=YPA3G_HxY9KF9Z68f6e2DqURa0hKzpWOPlLc1ix6_YOtCC9-Vek06NgzwTx7x5ixpeyvsgr42mM-Zq0KVN9fTjOOn02uI5iOaKdrS9DoTgVcI8DjhxqJEIQpUbnWOedk; expires=Thu, 26-Jan-2017 00:34:41 GMT; path=/; domain=.google.com.ua; HttpOnly<HTML><HEAD><meta http-equiv="content-type" content="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXps://VVV.google.com.ua/?gfe_rd=cr&ei=oQGYV7bLJsj
R8gfJl4LgAw&gws_rd=ssl">here</A>...</BODY></HTML
>..HTTP/1.1 302 Found..Location: hXXps://VVV.google.com.ua/?gfe_rd=
cr&ei=oQGYV7bLJsjR8gfJl4LgAw&gws_rd=ssl..Cache-Control: private..Conte
nt-Type: text/html; charset=UTF-8..P3P: CP="This is not a P3P policy!
See hXXps://VVV.google.com/support/accounts/answer/151657?hl=en for mo
re info."..Date: Wed, 27 Jul 2016 00:34:41 GMT..Server: gws..Content-L
ength: 278..X-XSS-Protection: 1; mode=block..X-Frame-Options: SAMEORIG
IN..Set-Cookie: NID=83=YPA3G_HxY9KF9Z68f6e2DqURa0hKzpWOPlLc1ix6_YOtCC9
-Vek06NgzwTx7x5ixpeyvsgr42mM-Zq0KVN9fTjOOn02uI5iOaKdrS9DoTgVcI8DjhxqJE
IQpUbnWOedk; expires=Thu, 26-Jan-2017 00:34:41 GMT; path=/; domain=.go
ogle.com.ua; HttpOnly..<HTML><HEAD><meta http-equiv="co
ntent-type" content="text/html;charset=utf-8">.<TITLE>302 Mov
ed</TITLE></HEAD><BODY>.<H1>302 Moved</H1&g
t;.The document has moved.<A HREF="hXXps://VVV.google.com.ua/?gfe_r
d=cr&ei=oQGYV7bLJsjR8gfJl4LgAw&gws_rd=ssl">here</A>..
.</BODY></HTML>....<<< skipped >>>
The Trojan connects to the servers at the folowing location(s):
%?9-*09,*19}*09
.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
USER32.dll
SHLWAPI.dll
SHDOCVW.dll
Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess
IE-X-X
rsabase.dll
System\CurrentControlSet\Control\Windows
dw15 -x -s %u
watson.microsoft.com
IEWatsonURL
%s -h %u
iedw.exe
Iexplore.XPExceptionFilter
jscript.DLL
mshtml.dll
mlang.dll
urlmon.dll
wininet.dll
shdocvw.DLL
browseui.DLL
comctl32.DLL
IEXPLORE.EXE
iexplore.pdb
ADVAPI32.dll
MsgWaitForMultipleObjects
IExplorer.EXE
IIIIIB(II<.Fg
7?_____ZZSSH%
)z.UUUUUUUU
,....Qym
````2```
{.QLQIIIKGKGKGKGKGKG;33;33;0
8888880
8887080
browseui.dll
shdocvw.dll
6.00.2900.5512 (xpsp.080413-2105)
Windows
Operating System
6.00.2900.5512
svchost.exe_1400:
.text
`.data
.rsrc
ADVAPI32.dll
KERNEL32.dll
NTDLL.DLL
RPCRT4.dll
NETAPI32.dll
ole32.dll
ntdll.dll
RegCloseKey
RegOpenKeyExW
GetProcessHeap
NtOpenKey
svchost.pdb
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
Windows
Operating System
5.1.2600.5512
svchost.exe_1400_rwx_10000000_0004D000:
`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExA
RegCloseKey
RegOpenKeyExW
RegCreateKeyW
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
Y%cTi
URLD!Il
x)Re.dc;G
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
127.0.0.1
Cjoker77.ddns.net
a.Servers
r.exe
a.dll
til.dll
{37RYT2H1-HK30-N8P8-85GR-2CG3C3U314C8}HKCU\Software\Microsoft\Windows\CurrentVersion\Run
cngaudit.dll
cnvfat.dll
2.8.1
v.qy6ac30V4EXIT
v.dll
PTF.ftpserver.com
ftpuser
iexplore.exe_460:
%?9-*09,*19}*09
.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
USER32.dll
SHLWAPI.dll
SHDOCVW.dll
Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess
IE-X-X
rsabase.dll
System\CurrentControlSet\Control\Windows
dw15 -x -s %u
watson.microsoft.com
IEWatsonURL
%s -h %u
iedw.exe
Iexplore.XPExceptionFilter
jscript.DLL
mshtml.dll
mlang.dll
urlmon.dll
wininet.dll
shdocvw.DLL
browseui.DLL
comctl32.DLL
IEXPLORE.EXE
iexplore.pdb
ADVAPI32.dll
MsgWaitForMultipleObjects
IExplorer.EXE
IIIIIB(II<.Fg
7?_____ZZSSH%
)z.UUUUUUUU
,....Qym
````2```
{.QLQIIIKGKGKGKGKGKG;33;33;0
8888880
8887080
browseui.dll
shdocvw.dll
6.00.2900.5512 (xpsp.080413-2105)
Windows
Operating System
6.00.2900.5512
iexplore.exe_460_rwx_10000000_0004D000:
`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExA
RegCloseKey
RegOpenKeyExW
RegCreateKeyW
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
Y%cTi
URLD!Il
x)Re.dc;G
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
127.0.0.1
Cjoker77.ddns.net
a.Servers
r.exe
a.dll
til.dll
{37RYT2H1-HK30-N8P8-85GR-2CG3C3U314C8}HKCU\Software\Microsoft\Windows\CurrentVersion\Run
cngaudit.dll
cnvfat.dll
2.8.1
v.qy6ac30V4EXIT
v.dll
PTF.ftpserver.com
ftpuser
%Documents and Settings%\%current user%\Local Settings\Tempserver.exe
%Program Files%\Internet Explorer\iexplore.exe
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*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:1504
Tempserver.exe:1744
Tempserver.exe:1752 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Tempserver.exe (132 bytes)
%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe (673 bytes)
%WinDir%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new (804 bytes)
%WinDir%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new (804 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.