Trojan.GenericKD.1927012_5fc51b1797

by malwarelabrobot on October 8th, 2017 in Malware Descriptions.

Susp_Dropper (Kaspersky), Trojan.GenericKD.1927012 (B) (Emsisoft), Trojan.GenericKD.1927012 (AdAware), Worm.Win32.Ainslot.VB.FD, GenericAutorunWorm.YR, WormAinslot_VariantOfZeus.YR (Lavasoft MAS)
Behaviour: Trojan, 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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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: 5fc51b17977c56d7158e744f254bb2fa
SHA1: a9197dc78760886546d386ec7f5b0b253b1cb86f
SHA256: 6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8
SSDeep: 24576:ZhpOrzcwXRXk96ZcoexPoHhYBssWTmpA:ZSNXtkEcoGgGW6pA
Size: 970240 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: Mindspark Interactive Network, Inc.
Created at: 2014-10-14 18:26:50
Analyzed on: Windows7 SP1 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:2984
notepad .exe:1776
wscript.exe:1784

The Trojan injects its code into the following process(es):
No processes have been created.

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process %original file name%.exe:2984 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\stres.bat (209 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\invs.vbs (78 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\rundll11-.txt (7345 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata2.bat (176 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\notepad .exe (112 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata.bat (73 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata2.bat (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\invs.vbs (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\rundll11-.txt (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata.bat (0 bytes)

The process notepad .exe:1776 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Roaming\no (34 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\9GPH0NJ1TN.exe (55 bytes)

The process wscript.exe:1784 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata2.bat (4 bytes)

Registry activity

The process %original file name%.exe:2984 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
The Trojan adds the reference to itself to be executed when a user logs on:

[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
"Shell" = "C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\file.exe"

The process notepad .exe:1776 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\VB and VBA Program Settings\INSTALL\DATE]
"FAHL0QL9S9" = "October 7, 2017"

[HKCU\Software\VB and VBA Program Settings\SrvID\ID]
"FAHL0QL9S9" = "NC"

The process wscript.exe:1784 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
"UNCAsIntranet" = "0"

The Trojan deletes the following value(s) in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"
"IntranetName"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

Dropped PE files

MD5 File path
0f01571a3e4c71eb4313175aae86488e c:\Users\"%CurrentUserName%"\AppData\Local\Temp\notepad .exe
0f01571a3e4c71eb4313175aae86488e c:\Users\"%CurrentUserName%"\AppData\Roaming\9GPH0NJ1TN.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: Red Gate Software Ltd
Product Name: .NET Reflector
Product Version: 8.3.3.115
Legal Copyright:
Legal Trademarks:
Original Filename: Reflector.exe
Internal Name: Reflector.exe
File Version: 8.3.3.115
File Description: .NET Reflector
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.rsrc 8192 105644 105984 1.68514 6747a475219ce992fe89fede15cd8368
.text 114688 863000 863232 5.48779 0d5a97c016e8a3a8e4c1829ea7622bb0
.reloc 983040 12 512 0.082048 a0a164ba04293aea33975bd88ed2428e

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
dns.msftncsi.com 131.107.255.255
fearzen.is-leet.com
1fearzen.is-leet.com
2fearzen.is-leet.com


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

The Trojan connects to the servers at the folowing location(s):

notepad .exe_1776:

.text
`.data
.rsrc
MSVBVM60.DLL
bss_server.usrReverseRelay
tmrWebHide
bss_server.Socket
bss_server.usrRelay
mswinsck.ocx
MSWinsockLib.Winsock
ieframe.dll
SHDocVwCtl.WebBrowser
WebBrowser
modLaunchWeb
%Program Files% (x86)\Microsoft Visual Studio\VB98\VB6.OLB
C:\Windows\SysWOW64\ieframe.dll
winmm.dll
user32.dll
advapi32.dll
shell32.dll
kernel32.dll
avicap32.dll
advpack.dll
GetAsyncKeyState
SetWindowsHookExA
UnhookWindowsHookEx
GetKeyboardLayout
GetKeyboardState
GetKeyState
SHFileOperationA
CreatePipe
PSAPI.DLL
GetTcpTable
ExitWindowsEx
EnumWindows
WinInet.dll
DeleteUrlCacheEntryA
urlmon
URLDownloadToFileA
ShellExecuteA
keybd_event
AddMsg
CHAT_ADDMSG
VBA6.DLL
C:\Windows\SysWow64\msvbvm60.dll\3
ws2_32.dll
olepro32.dll
GdiplusShutdown
RemotePort
LocalPort
WSOCK32.DLL
RegCloseKey
RegOpenKeyExA
ntdll.dll
C:\Windows\SysWOW64\ieframe.oca
6tmrTCP
%Program Files% (x86)\Microsoft Visual Studio\VB98\mswinsck.oca
tmrUDP
UDPSocket
UDPFlood
ole32.dll
crypt32.dll
oleaut32.dll
RegOpenKeyA
FindNextUrlCacheEntryA
FindFirstUrlCacheEntryA
txtPassword
imgLoginPressed
imgLogin
RegCreateKeyA
RegDeleteKeyA
RegEnumKeyExA
gdi32.dll
FtpDownload
InternetOpenUrlA
FtpUpload
FtpGetFileA
FtpPutFileA
FtpSetCurrentDirectoryA
FtpGetCurrentDirectoryA
FtpOpenFileA
FtpGetFileSize
FtpDeleteFileA
FtpCreateDirectoryA
FtpRemoveDirectoryA
FtpRenameFileA
FtpGetDirectory
Http_DownloadFile
cmdShowfiles
msvbvm60.dll
tmrTCP
?8??8??8??8??8?
2>e%Xdq
uMsg
strMsg
MsgNum
AllMsgs
lngPort
URL_TARGET
Port
Password
WebURL
Returns/Sets the port to be connected to on the remote computer
Returns/Sets the port used on the local computer
Binds socket to specific port and adapter
Occurs after a send operation has completed
fearzen.is-leet.com
9GPH0NJ1TN.exe
2c49f800-c2dd-11cf-9ad6-0080c7e7b78d
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1) Gecko/20090612 Firefox/3.5
{00020404-0000-0000-C000-000000000046}
\nir_cmd.bss speak text
\nir_cmd.bss setsysvolume 65535
\nir_cmd.bss mutesysvolume 1
\nir_cmd.bss mutesysvolume 0
\nir_cmd.bss screensaver
\nir_cmd.bss monitor off
\nir_cmd.bss monitor on
PORT
TRANSFERPORT
\rsout.tmp
SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\
Keylog
Wscript.Shell
HKEY_CLASSES_ROOT\HTTP\shell\open\command\
\winlogon.exe
iexplore.exe
ADVAPI32.dll
hXXp://VVV.facebook.com/?ref=home
hXXp://VVV.facebook.com
Windows Firewall/Internet Connection Sharing (ICS)
WebCamCapture
\Vuze\Azureus.exe
\LimeWire\LimeWire.exe
\uTorrent\uTorrent.exe
\uTorrent\uTorrent.exe /HIDE
\BitTorrent\bittorrent.exe
\MSWINSCK.OCX
\cmd.exe
\data.dat
\steam\steam.exe
nkey
dkey
regsvr32.exe
\pws_mail.bss
\pws_mess.bss
\pws_cdk.bss
\pws_ff.bss
\pws_chro.bss
\nir_cmd.bss
cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "
:*:Enabled:Windows Messanger" /f
winmgmts:{impersonationLevel=Impersonate}!\\.\root\cimv2
00000000
winmgmts:\\.\root\cimv2
Select * from Win32_Keyboard
api.ipinfodb.com
GET /v2/ip_query.php?key=
&timezone=off HTTP/1.1
Host: api.ipinfodb.com
GET /v2/ip_query_country.php?key=
Portable
WScript.Shell
winmgmts:\\.\root\SecurityCenter
\wallpaper.bmp
\wallpaper.jpg
WinServer 2003, Web Edition
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProductName
__oxFrame.class__
Scripting.FileSystemObject
Autorun.ini
{557CF401-1A04-11D3-9A73-0000F81EF32E}
{1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB}
Address family not supported by protocol family.
Operation already in progress.
Operation now in progress.
Socket operation on nonsocket.
Operation not supported.
Protocol family not supported.
Protocol not supported.
Socket type not supported.
Winsock.dll version out of range.
CSocketMaster.SocketExists
CSocketMaster.PostSocket
CSocketMaster.ConnectToIP
CSocketMaster.ResolveIfHostname
CSocketMaster.SendBufferedDataUDP
CSocketMaster.SendBufferedData
abe2869f-9b47-4cd9-a358-c22904dba7f7
/stext mess.dat
\mess.dat
/stext mail.dat
\mail.dat
/stext ffpw.dat
\ffpw.dat
Web Site
Password
/stext chro.dat
\chro.dat
Action URL
SOFTWARE\MICROSOFT\Windows NT\CurrentVersion
Windows
SOFTWARE\Classes\Applications\iexplore.exe\shell\open\command
http\shell\open\command
127.0.0.1
\dump.txt
\uTorrent\uTorrent.exe /DIRECTORY
255.255.255.255
finalizarprocessoportas
CONNECT %s:%i HTTP/1.0
SOFTWARE\Classes\http\shell\open\command
Software\Classes\http\shell\open\command
Software\Microsoft\Windows NT\CurrentVersion\SystemRestore
code.is.a.winner
Software\Microsoft\Windows\CurrentVersion\Uninstall\eMule
SOFTWARE\MICROSOFT\Windows NT\CurrentVersion\DigitalProductId
bps1.exe
bhookpl.dll
bnfa.exe
drvloadn.dll
drvloadx.dll
VNCHooks.dll
xr4tdwa.exe
shutdown.exe
TCnRawKeyBoard
HuntHTTPDownload
autorun.inf
hXXps://onlineeast#.bankofamerica.com
winlogon.exe
moz_logins
WEBCAMLIVE
explorer.exe
\system32\userinit.exe
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
\system32\userinit.exe,
notepad.exe
steam.exe
hl.exe
\rspad.dat


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:2984
    notepad .exe:1776
    wscript.exe:1784

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\stres.bat (209 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\invs.vbs (78 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\rundll11-.txt (7345 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata2.bat (176 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\notepad .exe (112 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\mata.bat (73 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Roaming\no (34 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Roaming\9GPH0NJ1TN.exe (55 bytes)

  4. Remove the references to the Trojan by modifying the following registry value(s) (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    "Shell" = "C:\Users\"%CurrentUserName%"\AppData\Local\Temp\FolderName\file.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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