Gen.Variant.Barys.17051_56529ea269
Susp_Dropper (Kaspersky), Gen:Variant.Barys.17169 (B) (Emsisoft), Gen:Variant.Barys.17051 (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: 56529ea269ee85716badc4d4d8570fe2
SHA1: a54bcda6b1526857929b3daf0991b0f1c87c7bc8
SHA256: 1e0d67f6a50911f4a13cf0385d6b5ac3e73b9e17a6342d122ebc2af2b1bd7889
SSDeep: 3072:TXiIPUVrAnyACPWDOldhmjmwGVEZuZYOiOjO8gnd:vUsyAMWOldJwGSeYHRX
Size: 108032 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2014-09-13 12:06:39
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).
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:228
msconfig.exe:1696
msconfig.exe:560
The Trojan injects its code into the following process(es):
svchost.exe:996
iexplore.exe:1840
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\msconfig.exe (601 bytes)
The process msconfig.exe:1696 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 (601 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)
The process msconfig.exe:560 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)
Registry activity
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" = "9C BC 9E 5B AB D4 8D 23 41 7B 47 9B ED 43 20 32"
[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\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Application Data]
"msconfig.exe" = "Rf7q0L6Sx"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[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"
[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]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Personal" = "%Documents and Settings%\%current user%\My Documents"
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:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "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 web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process msconfig.exe:1696 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "08 22 45 7F 44 B7 74 44 39 68 CA EA C7 B4 5E ED"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Internet Explorer]
"iexplore.exe" = "Internet Explorer"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"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:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe"
The process msconfig.exe:560 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B9 D3 5E 5E 0C 25 BE 35 8F 9D C3 49 C8 CA 77 0B"
[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" = "shznEusFPe"
Dropped PE files
There are no dropped PE files.
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: Jf0a4LCp5
Product Name: g0L9ZkDz7i
Product Version: 32.23.3.30
Legal Copyright: Qa93Tdb2W
Legal Trademarks: t9T8Nkp1
Original Filename: m2ctymq4.exe
Internal Name: m2ctymq4.exe
File Version: 32.23.3.30
File Description: Rf7q0L6Sx
Comments: i6WKq7t9
Language: English (United Kingdom)
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 8192 | 105912 | 105984 | 4.74112 | 25eb10580d5e1396bbb428820ce5477b |
| .rsrc | 114688 | 944 | 1024 | 2.54237 | b1f86f5404cbd00cfd76cc260ea8cad4 |
| .reloc | 122880 | 12 | 512 | 0.070639 | b290be3f90596a17f036b0cf961df6b5 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
URLs
| URL | IP |
|---|---|
| hxxp://www.hotspot.com/ |  |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
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_996:
.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_996_rwx_10000000_0004A000:
.idata
.rdata
P.reloc
P.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
GetKeyboardType
RegOpenKeyExA
RegCloseKey
oleaut32.dll
RegOpenKeyExW
RegCreateKeyW
GetWindowsDirectoryW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
shlwapi.dll
SHDeleteKeyW
FindExecutableW
URLDownloadToCacheFileW
wininet.dll
FtpPutFileW
FtpSetCurrentDirectoryW
GetKeyboardState
ShellExecuteW
ntdll.dll
1 1$1(1,10141
KWindows
TServerKeylogger
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\
ÞFAULTBROWSER%
svchost.exe
badr390.no-ip.biz
Internet.exe
net.exe
{5BJ4AJ12-3217-N288-2J68-71613TA7GC17}HKCU\Software\Microsoft\Windows\CurrentVersion\Run
%shznEusFPeEXIT
PTF.ftpserver.com
ftpuser
iexplore.exe_1840:
%?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_1840_rwx_10000000_0004A000:
.idata
.rdata
P.reloc
P.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
GetKeyboardType
RegOpenKeyExA
RegCloseKey
oleaut32.dll
RegOpenKeyExW
RegCreateKeyW
GetWindowsDirectoryW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
shlwapi.dll
SHDeleteKeyW
FindExecutableW
URLDownloadToCacheFileW
wininet.dll
FtpPutFileW
FtpSetCurrentDirectoryW
GetKeyboardState
ShellExecuteW
ntdll.dll
1 1$1(1,10141
KWindows
TServerKeylogger
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\
ÞFAULTBROWSER%
svchost.exe
badr390.no-ip.biz
Internet.exe
net.exe
{5BJ4AJ12-3217-N288-2J68-71613TA7GC17}HKCU\Software\Microsoft\Windows\CurrentVersion\Run
%shznEusFPeEXIT
PTF.ftpserver.com
ftpuser
%Documents and Settings%\%current user%\Application Data\msconfig.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:228
msconfig.exe:1696
msconfig.exe:560 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\msconfig.exe (601 bytes)
%Documents and Settings%\%current user%\Application DataMicrosoft\System\Services\18.exe (601 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):
[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.
