Susp_Dropper (Kaspersky), Trojan.PWS.Sinowal.NCX (B) (Emsisoft), Trojan.PWS.Sinowal.NCX (AdAware), Backdoor.Win32.PcClient.FD, Sinowal.YR (Lavasoft MAS)Behaviour: Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 5b29acf9e68ab3b642466158adf418e3
SHA1: c935ade1d4227462eae3933f861c82439420fc6d
SHA256: ef27204c2b84ad0e6d0d039280dea36afc0a834748b1837ec0e1d81cc0cba6ea
SSDeep: 12288:evwckc2x3Vtg5eeFXJHES5yUwNjo2fBtb0op/z: V 3TgFHES5yUwNjoKtb
Size: 999424 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2005-06-03 03:07:18
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
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
%original file name%.exe:1988
The Trojan injects its code into the following process(es):
rundll32.exe:1392
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:1988 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\1.tmp (3802 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\scandisk.lnk (685 bytes)
The process rundll32.exe:1392 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\scandisk.lnk (1370 bytes)
%System%\tloadmA2.dll (3802 bytes)
%Documents and Settings%\%current user%\tloadmA2.dll (3802 bytes)
Registry activity
The process %original file name%.exe:1988 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[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 Start Menu" = "%Documents and Settings%\All Users\Start Menu"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[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"
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1400" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"
"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BB 8D 80 37 8B 6F 87 E2 57 CB A7 19 79 8D A0 10"
[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\ShellNoRoam\MUICache\%System%]
"reg.exe" = "Registry Console Tool"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
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"
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]
"NvCplDaemonTool" = "rundll32.exe %System%\tloadmA2.dll,_IWMPEvents"
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 modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
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]
"NvCplDaemonTool" = "rundll32.exe C:\DOCUME~1\"%CurrentUserName%"\tloadmA2.dll,_IWMPEvents"
The process rundll32.exe:1392 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "78 B4 EA 70 AB 1C 68 A6 D8 CD C2 70 CF A4 14 9C"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"
[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"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1400" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"
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]
"NvCplDaemonTool" = "rundll32.exe %System%\tloadmA2.dll,_IWMPEvents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"NvCplDaemonTool" = "rundll32.exe C:\DOCUME~1\"%CurrentUserName%"\tloadmA2.dll,_IWMPEvents"
Dropped PE files
MD5 | File path |
---|---|
de0ec9a8891de7609adfe77e399fe57d | c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\1.tmp |
de0ec9a8891de7609adfe77e399fe57d | c:\Documents and Settings\"%CurrentUserName%"\Start Menu\Programs\Startup\scancdiskv48.dll |
de0ec9a8891de7609adfe77e399fe57d | c:\Documents and Settings\"%CurrentUserName%"\tloadmA2.dll |
de0ec9a8891de7609adfe77e399fe57d | c:\WINDOWS\system32\tloadmA2.dll |
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:1988
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (3802 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\scandisk.lnk (685 bytes)
%System%\tloadmA2.dll (3802 bytes)
%Documents and Settings%\%current user%\tloadmA2.dll (3802 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"NvCplDaemonTool" = "rundll32.exe %System%\tloadmA2.dll,_IWMPEvents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"NvCplDaemonTool" = "rundll32.exe C:\DOCUME~1\"%CurrentUserName%"\tloadmA2.dll,_IWMPEvents" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.
Static Analysis
VersionInfo
Company Name: Microsoft Corporation
Product Name: Microsoft Multimedia Controls
Product Version: 6.03.01.0146
Legal Copyright: Copyright (c) Microsoft Corp. 1997-1999
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 6.03.01.0146
File Description: Microsoft Multimedia Controls Utilities
Comments:
Language: English (United States)
Company Name: Microsoft CorporationProduct Name: Microsoft Multimedia ControlsProduct Version: 6.03.01.0146Legal Copyright: Copyright (c) Microsoft Corp. 1997-1999Legal Trademarks: Original Filename: Internal Name: File Version: 6.03.01.0146File Description: Microsoft Multimedia Controls UtilitiesComments: Language: English (United States)
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 14744 | 16384 | 4.09011 | 3526c24b57b6f35d04c89a0b9e9543fe |
.data | 20480 | 958804 | 962560 | 4.91019 | dfff4301c0f24da8f50ebb434c86a7f7 |
.data1 | 983040 | 1 | 4096 | 0.002275 | 1e80597e0cdc0cd088dbae224f814eea |
.data2 | 987136 | 1 | 4096 | 0.002275 | 000dc554a56119ad12d5c983df491cfc |
.rsrc | 991232 | 840 | 4096 | 0.624802 | bcf8a50d29ffe32f1abd3e04ee30cfcf |
.reloc | 995328 | 1764 | 4096 | 0.482917 | a1c01130251ad6f4963199805b7f7ba3 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://google.com/ | 173.194.113.192 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET / HTTP/1.0
Host: google.com
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
Connection: close
HTTP/1.0 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=M5hgV4-BCPCEygWFqrqoCw
Content-Length: 262
Date: Tue, 14 Jun 2016 23:50:11 GMT
<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HEAD><BODY>.<H1>302 Moved</H1>.The document has moved.<A HREF="hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=M5hgV4-BCPCEygWFqrqoCw">here</A>...</BODY></HTML>....
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
rundll32.exe_1392:
.text
.text
`.data
`.data
.rsrc
.rsrc
msvcrt.dll
msvcrt.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
GDI32.dll
GDI32.dll
USER32.dll
USER32.dll
IMAGEHLP.dll
IMAGEHLP.dll
rundll32.pdb
rundll32.pdb
.....eZXnnnnnnnnnnnn3
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
O3$dS7"%U9
.manifest
.manifest
5.1.2600.5512 (xpsp.080413-2105)
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
RUNDLL.EXE
Windows
Windows
Operating System
Operating System
5.1.2600.5512
5.1.2600.5512
YThere is not enough memory to run the file %s.
YThere is not enough memory to run the file %s.
Please close other windows and try again.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Error in %s
Missing entry:%s
Missing entry:%s
Error loading %s
Error loading %s