Trojan.Downloader.Banload.NRV (B) (Emsisoft), Trojan.Downloader.Banload.NRV (AdAware), Trojan.Win32.IEDummy.FD, GenericEmailWorm.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: f29c1f869368b67fc7688a13968b4474
SHA1: 0d1aaeaec6b732183973f7e96e0f9216e777c2a2
SHA256: d44b6bb565dad7f3e44a8573487ddb1b94407a58a9eb8ef64094c6695159cc8d
SSDeep: 768:MbwC1q/QYgowcbFnOegjz6u A686lHWGRAU66 cpGbcPyxWIQrU9rNw5w9V6rbzl:Mz1q/QYgKRORjz3 A686lHWGRAU66 cP
Size: 44544 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: BorlandDelphi30, UPolyXv05_v6
Company:
Created at: 1992-06-20 01:22:17
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).
Dynamic Analysis
Payload
| Behaviour | Description |
|---|---|
| EmailWorm | Worm can send e-mails. |
Process activity
The Trojan creates the following process(es):
%original file name%.exe:1108
The Trojan injects its code into the following process(es):
httptmp.cmd:692
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process httptmp.cmd:692 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\All Users\Start Menu\Programs\Startup\LUTMUA8A67A25.exe (1425 bytes)
%WinDir%\Registration\LUTMUA8A67A25.exe (1425 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\vjs[1].htm (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@ssl.bing[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@money.ca.msn[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@abmr[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\scriptpro[1].asp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\funnel.min[2].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@msnportal.112.2o7[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@kaspersky[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@www.msn[2].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\speaker[1].jpg (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@aaa[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\promo-offer[1].htm (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@cpa.clicksure[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\exit[1].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@twitter[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@auto.search.msn[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@microsoft[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@hit.gemius[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@c.msn[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@c.bing[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@www.millionaires-blueprint[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@via6[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@rambler[2].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\4DQJW9YN\topico[1].htm (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\styles[1].css (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@www.via6[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@pass.yandex[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@atdmt[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@kaspersky.122.2o7[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@c.ca.msn[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@doubleclick[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\4915dfb183[1].setToken (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@adnxs[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@hm.baidu[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@adgear[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\tsc[1].htm (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@binarypromos[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\jquery-1.4.2.min[1].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@track.trackbyme[1].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\CATYKRNA.htm (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\analytics[1].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@c.atdmt[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@cpa.clicksure[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@insurance[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@bing[2].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\jquery-1.9.1.min[1].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@yandex[2].txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\video[1].js (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@msn[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@yandex[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@millionaires-blueprint[2].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@www.bing[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@tns-counter[1].txt (0 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@scorecardresearch[2].txt (0 bytes)
The process %original file name%.exe:1108 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\scriptpro[1].asp (111198 bytes)
%WinDir%\Temp\httptmp.cmd (15547 bytes)
C:\f29c1f869368b67fc7688a13968b4474.bat (194 bytes)
Registry activity
The process httptmp.cmd:692 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "EA A3 42 55 3D 01 1B 90 01 93 97 E9 73 A7 E2 62"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\%WinDir%\Downloaded Program Files\, !\??\C:\Windows\GBPLUGIN1.txt"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
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]
"LUTMUA8A67A25" = "%WinDir%\Registration\LUTMUA8A67A25.exe"
The process %original file name%.exe:1108 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1F 00 00 00 01 00 00 00 00 00 00 00"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F7 C8 BF 3B F5 83 D9 E0 92 C6 7E 1E 94 5D 65 54"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
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 web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
Proxy settings are disabled:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
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 deletes the following value(s) in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"
Dropped PE files
| MD5 | File path |
|---|---|
| 3501eea7cc7248f1c891c21be7aec9df | c:\Documents and Settings\All Users\Start Menu\Programs\Startup\LUTMUA8A67A25.exe |
| 3501eea7cc7248f1c891c21be7aec9df | c:\WINDOWS\Registration\LUTMUA8A67A25.exe |
| 3501eea7cc7248f1c891c21be7aec9df | c:\WINDOWS\Temp\httptmp.cmd |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
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:1108
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\All Users\Start Menu\Programs\Startup\LUTMUA8A67A25.exe (1425 bytes)
%WinDir%\Registration\LUTMUA8A67A25.exe (1425 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\scriptpro[1].asp (111198 bytes)
%WinDir%\Temp\httptmp.cmd (15547 bytes)
C:\f29c1f869368b67fc7688a13968b4474.bat (194 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"LUTMUA8A67A25" = "%WinDir%\Registration\LUTMUA8A67A25.exe" - Reboot the computer.
Static Analysis
VersionInfo
No information is available.
No information is available.
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| CODE | 4096 | 31760 | 32256 | 4.44206 | ea6c9db4dfcab7c4a252557f4db062c0 |
| DATA | 36864 | 1024 | 1024 | 2.72901 | 755361a73b456434dc826c8343f948eb |
| BSS | 40960 | 2437 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
| .idata | 45056 | 1922 | 2048 | 3.04481 | e793dc36b1dc111cc7902fee0a740338 |
| .tls | 49152 | 8 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
| .rdata | 53248 | 24 | 512 | 0.139033 | c38125bc58c674092ed953ae77fb788a |
| .reloc | 57344 | 3068 | 3072 | 0 | d2a70550489de356a2cd6bfc40711204 |
| .rsrc | 61440 | 4608 | 4608 | 2.45247 | d1335605b65cc90751a95b00775c18ed |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
iexplore.exe_768:
%?9-*09,*19}*09
%?9-*09,*19}*09
.text
.text
`.data
`.data
.rsrc
.rsrc
msvcrt.dll
msvcrt.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
USER32.dll
USER32.dll
SHLWAPI.dll
SHLWAPI.dll
SHDOCVW.dll
SHDOCVW.dll
Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess
Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess
IE-X-X
IE-X-X
rsabase.dll
rsabase.dll
System\CurrentControlSet\Control\Windows
System\CurrentControlSet\Control\Windows
dw15 -x -s %u
dw15 -x -s %u
watson.microsoft.com
watson.microsoft.com
IEWatsonURL
IEWatsonURL
%s -h %u
%s -h %u
iedw.exe
iedw.exe
Iexplore.XPExceptionFilter
Iexplore.XPExceptionFilter
jscript.DLL
jscript.DLL
mshtml.dll
mshtml.dll
mlang.dll
mlang.dll
urlmon.dll
urlmon.dll
wininet.dll
wininet.dll
shdocvw.DLL
shdocvw.DLL
browseui.DLL
browseui.DLL
comctl32.DLL
comctl32.DLL
IEXPLORE.EXE
IEXPLORE.EXE
iexplore.pdb
iexplore.pdb
ADVAPI32.dll
ADVAPI32.dll
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
IExplorer.EXE
IExplorer.EXE
IIIIIB(II<.fg>
IIIIIB(II<.fg>
7?_____ZZSSH%
7?_____ZZSSH%
)z.UUUUUUUU
)z.UUUUUUUU
,....Qym
,....Qym
````2```
````2```
{.QLQIIIKGKGKGKGKGKG
{.QLQIIIKGKGKGKGKGKG
;33;33;0
;33;33;0
8888880
8888880
8887080
8887080
browseui.dll
browseui.dll
shdocvw.dll
shdocvw.dll
6.00.2900.5512 (xpsp.080413-2105)
6.00.2900.5512 (xpsp.080413-2105)
Windows
Windows
Operating System
Operating System
6.00.2900.5512
6.00.2900.5512