Gen.Variant.Zusy.164032_81582a2f4d

by malwarelabrobot on November 13th, 2015 in Malware Descriptions.

Trojan.Win32.Llac.kesd (Kaspersky), Gen:Variant.Zusy.164032 (B) (Emsisoft), Gen:Variant.Zusy.164032 (AdAware), Trojan.Win32.IEDummy.FD, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan


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: 81582a2f4dd979b2100c95a7a02e52c4
SHA1: b9e5da3d650bcaf905106c509ef7574d676575f4
SHA256: b833ccd064b8fbd264b22df9686a8d77370daa5ba78a248f3df8926764d4d2b3
SSDeep: 49152:sTKXFLPvIVQZ6h mChuxsBwVUoJv/GVuEuvOuzt6JE2LjUiAXI02I32IRnZ:s2XFLPwGEYItSoJveNTuzt6JZL0r2ofX
Size: 2665472 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2015-10-02 01:16:08
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

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

searchhlender.exe:2144
vbc.exe:1488

The Trojan injects its code into the following process(es):

%original file name%.exe:1216
iexplore.exe:1940

Mutexes

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

File activity

The process %original file name%.exe:1216 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\MrUVjDUb7m47M8iU\0MaLFmw7m3xL.exe (18248 bytes)

The process vbc.exe:1488 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\adm2.txt (230 bytes)
%System%\WinxDir\searchhlender.exe (7547 bytes)

Registry activity

The process %original file name%.exe:1216 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D5 C2 CE 5D B9 46 CC E2 91 8D 31 6A 0E 6C 6C E1"

[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:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"searchhlender" = "%Documents and Settings%\%current user%\Application Data\MrUVjDUb7m47M8iU\0MaLFmw7m3xL.exe"

The process searchhlender.exe:2144 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "05 1B 37 25 EB 67 96 12 C4 6D DF A2 FC 83 5C EB"

The process vbc.exe:1488 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AF EC 7A CE FD 64 E1 93 60 E7 02 8D 42 95 70 E0"

[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{7N8A8R74-5KP3-0K27-2S7F-J624WEG86Y48}]
"StubPath" = "%System%\WinxDir\searchhlender.exe Restart"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
"Policies" = "%System%\WinxDir\searchhlender.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run]
"Policies" = "%System%\WinxDir\searchhlender.exe"

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]
"HKCU" = "%System%\WinxDir\searchhlender.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%System%\WinxDir\searchhlender.exe"

Dropped PE files

MD5 File path
67f5238229333c061092f5a32e8c2ee1 c:\WINDOWS\system32\WinxDir\searchhlender.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Perfect Game Improvements
Product Name: CS_GO_Injector
Product Version: 2.0.0.0
Legal Copyright: Copyright BadBoys(c)2015
Legal Trademarks:
Original Filename: injecctorsample.exe
Internal Name: injecctorsample.exe
File Version: 2.0.0.0
File Description: CS_GO_Injector
Comments: CSGO Cheat Pack
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 641124 641536 5.50474 3b7e905d96193f4e76eb4bd209393811
.rsrc 655360 9660 9728 2.66559 3e86693b78c9601722f3c512d407ff26
.reloc 671744 12 512 0.070639 8cbd459f8cd88b0d020f76d7f3b47c82

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

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

iexplore.exe_1940:

%?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_1940_rwx_00150000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_00290000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_002D0000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_00310000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_00350000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_00390000_00001000:

KERNEL32.DLL

iexplore.exe_1940_rwx_00C40000_00001000:

advapi32.dll

iexplore.exe_1940_rwx_00D70000_00001000:

RegOpenKeyA

iexplore.exe_1940_rwx_00D80000_00001000:

advapi32.dll

iexplore.exe_1940_rwx_00DB0000_00001000:

AVICAP32.DLL

iexplore.exe_1940_rwx_00EF0000_00001000:

AVICAP32.DLL

iexplore.exe_1940_rwx_00F20000_00001000:

gdi32.dll

iexplore.exe_1940_rwx_00F60000_00001000:

gdi32.dll

iexplore.exe_1940_rwx_00F90000_00001000:

gdiplus.dll

iexplore.exe_1940_rwx_00FD0000_00001000:

gdiplus.dll

iexplore.exe_1940_rwx_01010000_00001000:

mpr.dll

iexplore.exe_1940_rwx_01060000_00001000:

mpr.dll

iexplore.exe_1940_rwx_01090000_00001000:

msacm32.dll

iexplore.exe_1940_rwx_014E0000_00001000:

msacm32.dll

iexplore.exe_1940_rwx_01510000_00001000:

ntdll.dll

iexplore.exe_1940_rwx_01650000_00001000:

ntdll.dll

iexplore.exe_1940_rwx_01680000_00001000:

ole32.dll

iexplore.exe_1940_rwx_017C0000_00001000:

ole32.dll

iexplore.exe_1940_rwx_017F0000_00001000:

oleaut32.dll

iexplore.exe_1940_rwx_01830000_00001000:

oleaut32.dll

iexplore.exe_1940_rwx_01970000_00001000:

powrprof.dll

iexplore.exe_1940_rwx_01AB0000_00001000:

powrprof.dll

iexplore.exe_1940_rwx_01AE0000_00001000:

shell32.dll

iexplore.exe_1940_rwx_01C10000_00001000:

ShellExecuteA

iexplore.exe_1940_rwx_01C20000_00001000:

shell32.dll

iexplore.exe_1940_rwx_01C50000_00001000:

user32.dll

iexplore.exe_1940_rwx_01D90000_00001000:

user32.dll

iexplore.exe_1940_rwx_01DC0000_00001000:

wininet.dll

iexplore.exe_1940_rwx_01EF0000_00001000:

FtpOpenFileA

iexplore.exe_1940_rwx_01F00000_00001000:

wininet.dll

iexplore.exe_1940_rwx_01F30000_00001000:

winmm.dll

iexplore.exe_1940_rwx_02070000_00001000:

winmm.dll

iexplore.exe_1940_rwx_020A0000_00001000:

wsock32.dll

iexplore.exe_1940_rwx_021E0000_00001000:

wsock32.dll

iexplore.exe_1940_rwx_10410000_00065000:

`.rsrc
kernel32.dll
Portions Copyright (c) 1999,2003 Avenger by NhT
SHFileOperationA
shell32.dll
URLDownloadToFileA
urlmon.dll
ShellExecuteA
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
GetWindowsDirectoryA
SOFTWARE\Microsoft\Windows\CurrentVersion
http\shell\open\command
\Internet Explorer\iexplore.exe
####@####
$*@@@*$@@@$ *@@* $@@($*)@-$*@@$-*@@$*-@@(*$)@-*$@@*-$@@*$-@@-* $@-$ *@* $-@$ *-@$ -*@*- $@($ *)(* $)
Portugal
Turkey
Windows 3.1
Windows 95 (Release 2)
Windows 95
Windows 98 SE
Windows 98
Windows ME
Windows 7
Windows Vista
%s %s
Windows XP Professional x64
Windows XP Home
Windows XP Professional
Windows 2000 Professional
Windows NT %d.%d
Windows 2008
%s %s Server
Windows 2003 Server Datacenter
Windows 2003 Server Enterprise
Windows 2003 Server Web Edition
Windows 2003 Server
Windows Home Server
Windows 2003 Server (Release 2)
Windows 2000 Server Datacenter
Windows 2000 Server Enterprise
Windows 2000 Server Web Edition
Windows 2000 Server
Windows NT 4.0 Server Datacenter
Windows NT 4.0 Server Enterprise
Windows NT 4.0 Server Web Edition
Windows NT 4.0 Server
Unknown Platform ID (%d)
%d.%d
%s (Build: %d
- Service Pack: %s
KERNEL32.DLL
teste.vbs
teste.txt
Set objSecurityCenter = GetObject("winmgmts:\\.\root\SecurityCenter")
Set colFirewall = objSecurityCenter.ExecQuery("Select * From FirewallProduct",,48)
Set colAntiVirus = objSecurityCenter.ExecQuery("Select * From AntiVirusProduct",,48)
Set objFileSystem = CreateObject("Scripting.fileSystemObject")
Set objFile = objFileSystem.CreateTextFile("
Info = Info & "F" & CountFw & ") " & objFirewall.displayName & " v" & objFirewall.versionNumber & Enter
Info = Info & "A" & CountAV & ") " & objAntiVirus.displayName & " v" & objAntiVirus.versionNumber & Enter
objFile.WriteLine(Info)
objFile.Close
cscript.exe
AVICAP32.dll
tFtpAccess
v1.07.5
BuildImportTable: can't load library:
BuildImportTable: ReallocMemory failed
BuildImportTable: GetProcAddress failed
BTMemoryLoadLibary: BuildImportTable failed
BTMemoryGetProcAddress: no export table found
BTMemoryGetProcAddress: DLL doesn't export anything
BTMemoryGetProcAddress: exported symbol not found
SetupApi.dll
SetupDiOpenClassRegKey
SetupDiOpenClassRegKeyExA
SetupDiOpenClassRegKeyExW
SetupDiCreateDeviceInterfaceRegKeyA
SetupDiCreateDeviceInterfaceRegKeyW
SetupDiOpenDeviceInterfaceRegKey
SetupDiDeleteDeviceInterfaceRegKey
SetupDiCreateDevRegKeyA
SetupDiCreateDevRegKeyW
SetupDiOpenDevRegKey
SetupDiDeleteDevRegKey
CM_DEVCAP_LOCKSUPPORTED
CM_DEVCAP_EJECTSUPPORTED
PDCAP_D0_SUPPORTED
PDCAP_D1_SUPPORTED
PDCAP_D2_SUPPORTED
PDCAP_D3_SUPPORTED
PDCAP_WAKE_FROM_D0_SUPPORTED
PDCAP_WAKE_FROM_D1_SUPPORTED
PDCAP_WAKE_FROM_D2_SUPPORTED
PDCAP_WAKE_FROM_D3_SUPPORTED
PDCAP_WARM_EJECT_SUPPORTED
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
127.0.0.1
iphlpapi.dll
AllocateAndGetTcpExTableFromStack
AllocateAndGetUdpExTableFromStack
SetTcpEntry
GetExtendedTcpTable
GetExtendedUdpTable
Mozilla3_5Password
GetChromePass
StartHttpProxy
1.2.3
keyboardkey
webcaminactive
webcamgetbuffer
webcam
enviarexecnormal
enviarexechidden
openweb
openwebpage
openwebhidden
downexec
sendftp
keylogger
keyloggergetlog
keyloggereraselog
keyloggerativar
keyloggerdesativar
renamekey
windowsfechar
windowsmax
windowsmin
windowsmostrar
windowsocultar
windowsmintodas
windowscaption
listarportas
listarportasdns
finalizarprocessoportas
webcamsettings
chatmsg
getpassword
updateservidorweb
keyloggersearch
urlredirect
urlredirecttrue
SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\
PSAPI.dll
\config\SteamAppData.vdf
AutoLoginUser
/ClientRegistry.Blob
\ClientRegistry.blob
\steam.dll
%SYS%
ÞSKTOP%
Uhm%D
HKEY_PERFORMANCE_DATA
HKEY_DYN_DATA
FirstExecution
chatmsg|
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
listarjanelas|windowsfechar|
listarjanelas|windowsmax|
listarjanelas|windowsmin|
listarjanelas|windowsmostrar|
listarjanelas|windowsocultar|
listarjanelas|windowsmintodas|
listarjanelas|windowscaption|
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
listarportas|listadeportaspronta|
listarportas|finalizarconexao|
listarportas|finalizarprocessoportas|Y|
listarportas|finalizarprocessoportas|N|
registro|renamekey|
keylogger|keylogger|keyloggerativar|
keylogger|keylogger|keyloggerdesativar|
keylogger|keyloggergetlog|
keylogger|keylogger|keyloggervazio|
keyloggersearchok|
webcam|webcaminactive|
webcam|webcamactive|
SOFTWARE\Mozilla\Mozilla Firefox
getfirefox
getielogin
getiepass
getieweb
getchrome
getpassword|getpasswordlist|
getpassword|getpassworderror|
duac.bat
%windir%\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
cmd.exe duac.bat
C:\Windows\System32\drivers\etc\hosts
Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\
Software\Microsoft\Windows\CurrentVersion\RunServicesOnce\
Software\Microsoft\Windows\CurrentVersion\RunServices\
Software\Microsoft\Windows\CurrentVersion\RunOnce\
Software\Microsoft\Windows\CurrentVersion\Run\
temp.vbs
ntdll.dll
log.dat
SQLite3.dll
deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly
inflate 1.2.3 Copyright 1995-2005 Mark Adler
KWindows
RegExport
UrlMon
UnitExecutarComandos
uftp
.UnitBytesSize
UnitListarPortasAtivas
UnitWebcam
UnitKeylogger
WinExec
SetNamedPipeHandleState
GetProcessHeap
CreatePipe
RegQueryInfoKeyA
RegOpenKeyExA
RegOpenKeyA
RegEnumKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCreateKeyA
RegCloseKey
GdiplusShutdown
keybd_event
MsgWaitForMultipleObjects
MapVirtualKeyA
GetKeyboardState
GetKeyboardLayoutNameA
GetKeyState
GetAsyncKeyState
ExitWindowsEx
EnumWindows
FtpGetFileSize
FtpSetCurrentDirectoryA
FtpOpenFileA
%( % & % % % ]
.idata
.reloc
P.rsrc
hbS%S
advapi32.dll
AVICAP32.DLL
gdi32.dll
gdiplus.dll
mpr.dll
msacm32.dll
ole32.dll
oleaut32.dll
powrprof.dll
user32.dll
wininet.dll
winmm.dll
wsock32.dll


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):

    searchhlender.exe:2144
    vbc.exe:1488

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

    %Documents and Settings%\%current user%\Application Data\MrUVjDUb7m47M8iU\0MaLFmw7m3xL.exe (18248 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\adm2.txt (230 bytes)
    %System%\WinxDir\searchhlender.exe (7547 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "searchhlender" = "%Documents and Settings%\%current user%\Application Data\MrUVjDUb7m47M8iU\0MaLFmw7m3xL.exe"

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "HKCU" = "%System%\WinxDir\searchhlender.exe"

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "HKLM" = "%System%\WinxDir\searchhlender.exe"

  5. Reboot the computer.

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

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