Gen.Variant.Zusy.123960_78f0cf98f4
HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.Zusy.123960 (B) (Emsisoft), Gen:Variant.Zusy.123960 (AdAware), 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: 78f0cf98f47abb6968e68387580969df
SHA1: a77f3e2a2251872f0be5172821a329df3dfb0056
SHA256: fb5370d6a6397e8b4b807ac247db2fbbd7544e67be2346b1f38a207f458cd820
SSDeep: 6144:dLM3L6hWtnvqI6vu5G2p0u8opELOlMi4YfkhaW5/OHRQyDH:BMbaWtn6vkDSu8oS04YfkhFq
Size: 358973 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2015-01-21 12:31:38
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:860
The Trojan injects its code into the following process(es):
iexplore.exe:1488
Mutexes
The following mutexes were created/opened:
No objects were found.
File activity
The process %original file name%.exe:860 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\My Documents\explorer.exe (2105 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\startup.exe (2105 bytes)
Registry activity
The process %original file name%.exe:860 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C B0 8A D5 17 33 11 E0 A2 30 0A 31 BE E7 8B 5D"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Personal" = "%Documents and Settings%\%current user%\My Documents"
"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]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup\startup.exe"
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: Microsoft
Product Name: Microsoft
Product Version: 9.1.3.23
Legal Copyright: @2015
Legal Trademarks: Microsoft (TM)
Original Filename: war.exe
Internal Name: war.exe
File Version: 9.1.3.23
File Description: Microsoft
Comments: Microsoft Coprotion
Language: English (United States)
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 8192 | 135284 | 135680 | 4.44812 | 6d9dd2e47798a19c2271edcbe08271cf |
| .sdata | 147456 | 177 | 512 | 1.5075 | 17ee383034c2bf121a69e919594e429e |
| .rsrc | 155648 | 4532 | 4608 | 3.33891 | 6c3fe415d32cac375f8f825ad50ee854 |
| .reloc | 163840 | 12 | 512 | 0.067931 | b7fbb324efef06bef4c12cb55076fd1e |
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):
%?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_1488_rwx_10000000_00080000:
`.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
$,((&&"*"
,nRL.Px
/,;
HHH4HHH9HHH:HHH9HHH8HHH7EDD0>>>.XZZf
HHH.HHH7HHH5HHH5GGG2@??'MNNB
GGG#HHH.FFF2>??-UVVX
===.FFF7III/HHH
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExW
RegCreateKeyW
RegCloseKey
RegOpenKeyExA
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
URLDb
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\
ÞFAULTBROWSER%
svchost.exe
127.0.0.1
Server.exe
C:\Windows\SysWOW64\urlmon.
MsgHKCU
{5460C4DF-B266-909E-CB58-E32B79832EB2}HKCU\Software\Microsoft\Windows\CurrentVersion\Run
\sw%SERVER%
%iles\local.ini
Microsoft\Windows\Start Men
PTF.ftpserver.com
Microsoft\Windows\GameExplo
ftpuser
%Documents and Settings%\%current user%\My Documents\explorer.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:860
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\My Documents\explorer.exe (2105 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\startup.exe (2105 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup\startup.exe" - 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.