HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.Razy.134860 (B) (Emsisoft), Gen:Variant.Razy.134860 (AdAware), VirusVirut.YR (Lavasoft MAS)Behaviour: Trojan, Virus
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 03da32d55158d23cfd6576d9404c80f2
SHA1: e472455e96585284a99249595757ef6f708d86bd
SHA256: 3d96aa0d7219f49e921ee93674ada9078075cd651964d8b02b8e9468844d5f42
SSDeep: 3072:jxSccsWlXCFLcVygJKLCqvjM9YORns NweZqoa2jDiQt:jIDClLCqvjM9ts H Qt
Size: 196568 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2004-09-12 12:55:29
Analyzed on: Windows7 SP1 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):
ntvdm.exe:2044
The Trojan injects its code into the following process(es):
03da32d55158d23cfd6576d9404c80f2.usr:684
%original file name%.exe:1804
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process ntvdm.exe:2044 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AE9.tmp (335 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AEA.tmp (269 bytes)
The Trojan deletes the following file(s):
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AE9.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AEA.tmp (0 bytes)
The process %original file name%.exe:1804 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\Windows\System32\USR_Shohdi_Photo_USR.rsu (21682 bytes)
C:\03da32d55158d23cfd6576d9404c80f2.usr (86442 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Setup.exe (408872 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Reader9\Setup.exe (444160 bytes)
C:\Windows\USR_Shohdi_Photo_USR.exe (6889123 bytes)
The Trojan deletes the following file(s):
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Reader9\Setup.usr (0 bytes)
C:\Windows\System32\USR_Shohdi_Photo_USR.rsu (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Setup.usr (0 bytes)
Registry activity
Dropped PE files
MD5 | File path |
---|---|
9d54b22e360285515425b6dc6cc06e5c | c:\03da32d55158d23cfd6576d9404c80f2.usr |
HOSTS file anomalies
The Trojan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses. The modified file is 864 bytes in size. The following strings are added to the hosts file listed below:
127.0.0.1 | jL.chura.pl |
127.0.0.1 | validation.sls.microsoft.com |
Rootkit activity
The Trojan installs the following user-mode hooks in ntdll.dll:
NtQueryInformationProcess
ZwOpenFile
NtDeviceIoControlFile
ZwCreateUserProcess
ZwCreateProcessEx
NtCreateProcess
ZwCreateFile
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*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
ntvdm.exe:2044
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AE9.tmp (335 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\scs7AEA.tmp (269 bytes)
C:\Windows\System32\USR_Shohdi_Photo_USR.rsu (21682 bytes)
C:\03da32d55158d23cfd6576d9404c80f2.usr (86442 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Setup.exe (408872 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Adobe\Reader 9.3\Setup Files\Reader9\Setup.exe (444160 bytes)
C:\Windows\USR_Shohdi_Photo_USR.exe (6889123 bytes) - Restore the original content of the HOSTS file (%System%\drivers\etc\hosts): 127.0.0.1 localhost
- Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- 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 |
---|---|---|---|---|---|
4096 | 16384 | 6656 | 5.29846 | 4cee79ac2671e36829d0bb610df5b052 | |
.rsrc | 20480 | 102400 | 102400 | 2.95609 | e63aa06fa0bd4f07f170c40a27eb7fc4 |
petite | 122880 | 379 | 512 | 2.83683 | d9152af36e3787ad41768ba5d11906da |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
teredo.ipv6.microsoft.com | 157.56.106.189 |
sys.zief.pl | 148.81.111.121 |
dns.msftncsi.com | 131.107.255.255 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
%original file name%.exe_1804:
`.rsrc
`.rsrc
D$(PSSh
D$(PSSh
ccRegVfy.exe
ccRegVfy.exe
ccApp.exe
ccApp.exe
IEXPLORE.EXE
IEXPLORE.EXE
windows
windows
\*.exe
\*.exe
.text
.text
.data
.data
.rsrc
.rsrc
msvcrt.dll
msvcrt.dll
KERNEL32.dll
KERNEL32.dll
nddeapir.pdb
nddeapir.pdb
_acmdln
_acmdln
m.Zw%
m.Zw%
ADVAPI32.DLL
ADVAPI32.DLL
\USERINIT.EXE
\USERINIT.EXE
%s:*:enabled:@shell32.dll,-1
%s:*:enabled:@shell32.dll,-1
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Qoysys.zief.pl
Qoysys.zief.pl
core.ircgalaxy.pl
core.ircgalaxy.pl
NICK avabcadz
NICK avabcadz
SFC.DLL
SFC.DLL
SFC_OS.DLL
SFC_OS.DLL
USER32.DLL
USER32.DLL
SHLWAPI.DLL
SHLWAPI.DLL
WSOCK32.DLL
WSOCK32.DLL
WININET.DLL
WININET.DLL
%.6x . . :%c%.8x%x %s
%.6x . . :%c%.8x%x %s
JOIN
JOIN
127.0.0.1 jL.chura.pl
127.0.0.1 jL.chura.pl
#
#
KERNEL32.DLL
KERNEL32.DLL
windowsupdate
windowsupdate
drweb
drweb
user32.dll
user32.dll
kernel32.dll
kernel32.dll
MSVCIRT.dll
MSVCIRT.dll
MSVCRT.dll
MSVCRT.dll
5.1.2600.0 (xpclient.010817-1148)
5.1.2600.0 (xpclient.010817-1148)
NDDEAPIR.EXE
NDDEAPIR.EXE
Windows
Windows
Operating System
Operating System
5.1.2600.0
5.1.2600.0
%original file name%.exe_1804_rwx_00401000_00002000:
D$(PSSh
D$(PSSh
%original file name%.exe_1804_rwx_00419000_00005000:
ADVAPI32.DLL
ADVAPI32.DLL
\USERINIT.EXE
\USERINIT.EXE
%s:*:enabled:@shell32.dll,-1
%s:*:enabled:@shell32.dll,-1
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Qoysys.zief.pl
Qoysys.zief.pl
core.ircgalaxy.pl
core.ircgalaxy.pl
NICK avabcadz
NICK avabcadz
SFC.DLL
SFC.DLL
SFC_OS.DLL
SFC_OS.DLL
USER32.DLL
USER32.DLL
SHLWAPI.DLL
SHLWAPI.DLL
WSOCK32.DLL
WSOCK32.DLL
WININET.DLL
WININET.DLL
%.6x . . :%c%.8x%x %s
%.6x . . :%c%.8x%x %s
JOIN
JOIN
127.0.0.1 jL.chura.pl
127.0.0.1 jL.chura.pl
#
#
KERNEL32.DLL
KERNEL32.DLL
windowsupdate
windowsupdate
drweb
drweb
03da32d55158d23cfd6576d9404c80f2.usr_684:
.text
.text
.rdata
.rdata
@.data
@.data
.rsrc
.rsrc
USER32.dll
USER32.dll
ADVAPI32.dll
ADVAPI32.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
.tTPV
.tTPV
FTPjK
FTPjK
FtPj;
FtPj;
F.PjRWj
F.PjRWj
u.WWj
u.WWj
u.VVj
u.VVj
RCv=kAv.SCv
RCv=kAv.SCv
fpmmcsat.dll
fpmmcsat.dll
SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\4.0
SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\4.0
{0A7443C7-6E9A-11D2-AAA2-00A0C90F57B0}
{0A7443C7-6E9A-11D2-AAA2-00A0C90F57B0}
msi.dll
msi.dll
kernel32.dll
kernel32.dll
user32.dll
user32.dll
portuguese-brazilian
portuguese-brazilian
RegCloseKey
RegCloseKey
RegOpenKeyExA
RegOpenKeyExA
GetCPInfo
GetCPInfo
c:\03da32d55158d23cfd6576d9404c80f2.usr
c:\03da32d55158d23cfd6576d9404c80f2.usr
.at:L0
.at:L0
4.0.2.7523
4.0.2.7523
FPMMC.DLL
FPMMC.DLL
, Windows
, Windows
are registered trademarks of Microsoft Corporation, and WebBot is a trademark of Microsoft Corporation, in the United States and/or other countries.
are registered trademarks of Microsoft Corporation, and WebBot is a trademark of Microsoft Corporation, in the United States and/or other countries.
03da32d55158d23cfd6576d9404c80f2.usr_684_rwx_00411000_00005000:
.at:L0
.at:L0