Trojan.Win32.Small.cox (Kaspersky), Virus.Win32.Sality.FD, Virus.Win32.Sality.2.FD, VirusSality.YR, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan, Worm, Virus, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 821efbb5fbe57ff7e78199a18c7e6f64
SHA1: b7df3f7f14d9b2482efd03cbc03a9fced58a41ae
SHA256: dfcf864a14ed150f41436fc14465292a231b49e6bedc134cdb0948aa93160dd3
SSDeep: 1536:cmWuHDn9WEmgko31hIS/hJua/a84vvjitWamdyaGVwUEXlQPJ1:cpeDnkIpJGvvjamdyOlGJ1
Size: 66561 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: StdLib
Created at: 2010-11-05 02:25:00
Analyzed on: WindowsXP SP3 32-bit
Summary: Virus. A program that recursively replicates a possibly evolved copy of itself.
Dynamic Analysis
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 Virus's file once a user opens a drive's folder in Windows Explorer. |
Process activity
The Virus creates the following process(es):
%original file name%.exe:1216
The Virus injects its code into the following process(es):
Explorer.EXE:888
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 Virus creates and/or writes to the following file(s):
%WinDir%\system.ini (70 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winfsghh.exe (561 bytes)
The Virus deletes the following file(s):
%WinDir%\43380 (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winfsghh.exe (0 bytes)
Registry activity
The process %original file name%.exe:1216 makes changes in the system registry.
The Virus creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Security Center]
"UacDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda]
"m4_0" = "0"
"m3_1" = "1718420804"
"m3_0" = "17001001"
"m4_4" = "2646195636"
"m4_5" = "86519073"
"m3_5" = "69945096"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
[HKCU\Software\Stvncyfrlda]
"m2_2" = "3470576471"
"m2_3" = "910908362"
"m2_0" = "5517"
"m2_1" = "1735293664"
"m2_6" = "1821804803"
"m4_2" = "3470581466"
"m2_4" = "2646190137"
"m2_5" = "86522028"
"m3_3" = "927474798"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
"EnableLUA" = "0"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"
[HKCU\Software\Stvncyfrlda\168128873]
"1735290733" = "84"
[HKCU\Software\Stvncyfrlda]
"m3_6" = "1838544551"
"m1_5" = "990974441"
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UpdatesDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda]
"m4_6" = "1821809806"
"m4_1" = "1735290733"
"m3_4" = "2629490589"
"m3_2" = "3487544563"
"m1_4" = "2043211597"
"m1_6" = "942015960"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallOverride" = "1"
[HKCU\Software\Stvncyfrlda]
"m1_0" = "1431655765"
"m1_3" = "553799287"
"m1_2" = "2322242303"
"m1_1" = "692605188"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1C A4 B9 BB A7 67 3B 68 43 86 35 C4 F9 63 46 02"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"UacDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
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
"-824385830" = "0"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden" = "2"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallOverride" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"910904903" = "0"
"1821809806" = "0200687474703A2F2F7061647275702E636F6D2E64732F736F62616B61312E67696600687474703A2F2F706161616161642E66642E66642F736F62616B61766F6C6F732E676966"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"-1648771660" = "30"
[HKCU\Software\Stvncyfrlda]
"m4_3" = "910904903"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"FirewallDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"
[HKCU\Software\Stvncyfrlda\168128873]
"86519073" = "72"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusOverride" = "1"
Firewall notifications are disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"
Adds a rule to the firewall Windows which allows any network activity:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:]
"%original file name%.exe" = "c:\%original file name%.exe:*:Enabled:ipsec"
Antivirus notifications are disabled:
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center\Svc]
"AntiVirusDisableNotify" = "1"
A firewall is disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"
Dropped PE files
MD5 | File path |
---|---|
b4b2b347c4201fb17e0a2f25b927e930 | c:\eany.pif |
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 Virus's file once a user opens a drive's folder in Windows Explorer.
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:1216
- Delete the original Virus file.
- Delete or disinfect the following files created/modified by the Virus:
%WinDir%\system.ini (70 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\winfsghh.exe (561 bytes) - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- 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 |
---|---|---|---|---|---|
.text | 4096 | 69632 | 66048 | 5.53449 | a11ee7d2e87184959259fd45cf780a21 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 234
6c682d9e9d637ded9652171d5e9c34ed
e4a92d0d1a9b25ec512b3366ff46695d
4c452fb9c1902ee44b06044408cbe63b
cf7fa0c80fb1ddb24a8edf7c28c1ed70
23375e9f8d8b5202caa48dc3674c7cf7
8e16b5a571c6586c6639b91fcafcafe8
83fe0e48d885912f5cf01d48cece2694
d38356b99cb6cce82bdd18f2e9c74e7e
28334f6a39e4b966835dd392eaa3f7f7
a86325286ac938e4d9e8850d51524cf0
3760120dcf70b57f754cdda8bbb55239
a2c1f15164eb44b299c4de21e7c6f7e0
b70bba3cf37d8c1d77256b2323311d70
941b7ec1b983cd64b5b68975b96811d0
602f4a5f424cd44a61291521b8304550
91fe43c24035b073a9fba8a149bbcd00
d071519ec2d9311e87aab7769aaa5f10
5a0ebb62c185b2bbfd30aaac31006d10
50d87edb50951e9194d8447ba52788c0
230c4434fc411ca84402a8209f963aa0
974b6ea17d6afc569a342c6c4e0757a0
214e4e1261f2b8452b9c4a6426bdd6e0
ca94ee4aa2c7a4ae063d23c5159be430
b6a252d8986cac94bdf28e8e40295750
1ded2da6521c2533a69c81af46ed4bb0
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Virus connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_888_rwx_01EA0000_00002000:
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
KERNEL32.DLL
KERNEL32.DLL
.text
.text
Explorer.EXE_888_rwx_01FB0000_00001000:
|explorer.exeM_888_
|explorer.exeM_888_
Explorer.EXE_888_rwx_02120000_010BA000:
hXXp://89.11
hXXp://89.11
.info/home.gifIh
.info/home.gifIh
bW.text
bW.text
JKERNEL32.dll
JKERNEL32.dll
%x.exe
%x.exe
hXXp://89.119.67.154/testo5/
hXXp://89.119.67.154/testo5/
hXXp://kukutrustnet777.info/home.gif
hXXp://kukutrustnet777.info/home.gif
hXXp://kukutrustnet888.info/home.gif
hXXp://kukutrustnet888.info/home.gif
hXXp://kukutrustnet987.info/home.gif
hXXp://kukutrustnet987.info/home.gif
.text
.text
KERNEL32.dll
KERNEL32.dll
.reloc
.reloc
USER32.dll
USER32.dll
h.rdata
h.rdata
H.data
H.data
ntoskrnl.exe
ntoskrnl.exe
Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)
Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)
Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Software\Microsoft\Windows\CurrentVersion\Internet Settings
Software\Microsoft\Windows\CurrentVersion\Internet Settings
Software\Microsoft\Windows\CurrentVersion
Software\Microsoft\Windows\CurrentVersion
hXXp://VVV.klkjwre9fqwieluoi.info/
hXXp://VVV.klkjwre9fqwieluoi.info/
hXXp://kukutrustnet777888.info/
hXXp://kukutrustnet777888.info/
Software\Microsoft\Windows\CurrentVersion\policies\system
Software\Microsoft\Windows\CurrentVersion\policies\system
Software\Microsoft\Windows\ShellNoRoam\MUICache
Software\Microsoft\Windows\ShellNoRoam\MUICache
%s:*:Enabled:ipsec
%s:*:Enabled:ipsec
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
GdiPlus.dll
GdiPlus.dll
hXXp://
hXXp://
ipfltdrv.sys
ipfltdrv.sys
VVV.microsoft.com
VVV.microsoft.com
?%x=%d
?%x=%d
&%x=%d
&%x=%d
SYSTEM.INI
SYSTEM.INI
USER32.DLL
USER32.DLL
.%c%s
.%c%s
\\.\amsint32
\\.\amsint32
NTDLL.DLL
NTDLL.DLL
autorun.inf
autorun.inf
ADVAPI32.DLL
ADVAPI32.DLL
win%s.exe
win%s.exe
%s.exe
%s.exe
WININET.DLL
WININET.DLL
InternetOpenUrlA
InternetOpenUrlA
avast! Web Scanner
avast! Web Scanner
Avira AntiVir Premium WebGuard
Avira AntiVir Premium WebGuard
cmdGuard
cmdGuard
cmdAgent
cmdAgent
Eset HTTP Server
Eset HTTP Server
ProtoPort Firewall service
ProtoPort Firewall service
SpIDer FS Monitor for Windows NT
SpIDer FS Monitor for Windows NT
Symantec Password Validation
Symantec Password Validation
WebrootDesktopFirewallDataService
WebrootDesktopFirewallDataService
WebrootFirewall
WebrootFirewall
%d%d.tmp
%d%d.tmp
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
%s\%s
%s\%s
%s\Software\Microsoft\Windows\CurrentVersion\Ext\Stats
%s\Software\Microsoft\Windows\CurrentVersion\Ext\Stats
Software\Microsoft\Windows\CurrentVersion\Ext\Stats
Software\Microsoft\Windows\CurrentVersion\Ext\Stats
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
KERNEL32.DLL
KERNEL32.DLL
Explorer.exe
Explorer.exe
A2CMD.
A2CMD.
ASHWEBSV.
ASHWEBSV.
AVGCC.AVGCHSVX.
AVGCC.AVGCHSVX.
DRWEB
DRWEB
DWEBLLIO
DWEBLLIO
DWEBIO
DWEBIO
FSGUIEXE.
FSGUIEXE.
MCVSSHLD.
MCVSSHLD.
NPFMSG.
NPFMSG.
SYMSPORT.
SYMSPORT.
WEBSCANX.
WEBSCANX.
%c%d_%d
%c%d_%d
purity_control_%x
purity_control_%x
.adata
.adata
M_%d_
M_%d_
?456789:;
?456789:;
!"#$%&'()* ,-./0123
!"#$%&'()* ,-./0123
mong%WinDir%\
mong%WinDir%\
%WinDir%\hywjfubtsnl.log
%WinDir%\hywjfubtsnl.log
hXXp://padrup.com.ds/sobaka1.gif
hXXp://padrup.com.ds/sobaka1.gif
hXXp://paaaaad.fd.fd/sobakavolos.gif
hXXp://paaaaad.fd.fd/sobakavolos.gif
%System%\drivers\mlrkn.sys
%System%\drivers\mlrkn.sys
2753593455
2753593455
.rsrc
.rsrc
SHELL32.DLL
SHELL32.DLL
ShellExecuteA
ShellExecuteA
GetProcessHeap
GetProcessHeap
GetWindowsDirectoryA
GetWindowsDirectoryA
RegEnumKeyExA
RegEnumKeyExA
RegDeleteKeyA
RegDeleteKeyA
RegOpenKeyExA
RegOpenKeyExA
RegCreateKeyA
RegCreateKeyA
RegCloseKey
RegCloseKey
SHFileOperationA
SHFileOperationA
&3&3&3&389
&3&3&3&389
%F" *" a
%F" *" a
ADVAPI32.dll
ADVAPI32.dll
MSVCRT.dll
MSVCRT.dll
SHELL32.dll
SHELL32.dll
WS2_32.dll
WS2_32.dll