Trojan.GenericKDZ.27711 (BitDefender), Trojan:Win32/Toga!rfn (Microsoft), Trojan-Downloader.Win32.Upatre.fkwn (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan.DownLoader12.58352 (DrWeb), Trojan.GenericKDZ.27711 (B) (Emsisoft), Trojan-FGGX!CD702DE3AF3E (McAfee), Trojan.Injector (Ikarus), Trojan.GenericKDZ.27711 (FSecure), MSIL7.BNNL (AVG), Win32:GenMaliciousA-QPR [Trj] (Avast), TROJ_GEN.R011C0DKB15 (TrendMicro), Trojan.GenericKDZ.27711 (AdAware), Backdoor.Win32.Farfli.FD, Trojan.Win32.IEDummy.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-Downloader, Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: cd702de3af3e1aab6981a9ee5f205a39
SHA1: c67cd551622dda386158d68d57d132ae97df66d3
SHA256: d8091791250f2a2990ecff528baadce4bb572773aaf958ce6f7b836daf805159
SSDeep: 6144:oIcwchYhOX pd1bEz2s7ETRhEgoJCqrnxQmUMggh:oIVwYUX pd167QhEXoRMd
Size: 266240 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: MicrosoftVisualC, UPolyXv05_v6
Company: no certificate found
Created at: 2015-04-08 18:28:47
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:388
%original file name%.exe:1784
The Trojan injects its code into the following process(es):
svchost.exe:540
iexplore.exe:668
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:1784 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%System%\InstallDir\Server.exe (1425 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg (2 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\x.html (0 bytes)
Registry activity
The process %original file name%.exe:388 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "91 94 1F 91 17 7B 43 46 CD 62 FD 2C EA CB 73 5C"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process %original file name%.exe:1784 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 03 E6 18 E6 41 83 0B 8C F6 15 56 0D 26 0B 73"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}]
"StubPath" = "%System%\InstallDir\Server.exe restart"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\((Mutex))]
"InstalledServer" = "%System%\InstallDir\Server.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\((Mutex))]
"ServerStarted" = "7/13/2016 12:01:43 PM"
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]
"HKCU" = "%System%\InstallDir\Server.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%System%\InstallDir\Server.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
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:388
%original file name%.exe:1784 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%System%\InstallDir\Server.exe (1425 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg (2 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%System%\InstallDir\Server.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%System%\InstallDir\Server.exe" - Reboot the computer.
Static Analysis
VersionInfo
Company Name: Essentials
Product Name: Essentials
Product Version: 2.3.3.0
Legal Copyright: Copyright (c) Product 2014
Legal Trademarks:
Original Filename: zym20042105031_Lib.exe
Internal Name: zym20042105031_Lib.exe
File Version: 2.3.3.0
File Description: Essentials
Comments:
Language: Language Neutral
Company Name: EssentialsProduct Name: EssentialsProduct Version: 2.3.3.0Legal Copyright: Copyright (c) Product 2014Legal Trademarks: Original Filename: zym20042105031_Lib.exeInternal Name: zym20042105031_Lib.exeFile Version: 2.3.3.0File Description: EssentialsComments: Language: Language Neutral
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 8192 | 70836 | 73728 | 3.69915 | 414fdcddc993f55b9c0b0a87227749a4 |
| .rsrc | 81920 | 184160 | 184320 | 5.17656 | 3ef5c04ae37f236c35d4562f8f1ae9ae |
| .reloc | 270336 | 12 | 4096 | 0.011373 | 3bf7671b28f86510c84f1b1f845c92bb |
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
svchost.exe_540:
.text
.text
`.data
`.data
.rsrc
.rsrc
ADVAPI32.dll
ADVAPI32.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
RPCRT4.dll
RPCRT4.dll
NETAPI32.dll
NETAPI32.dll
ole32.dll
ole32.dll
ntdll.dll
ntdll.dll
RegCloseKey
RegCloseKey
RegOpenKeyExW
RegOpenKeyExW
GetProcessHeap
GetProcessHeap
NtOpenKey
NtOpenKey
svchost.pdb
svchost.pdb
\PIPE\
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
svchost.exe
Windows
Windows
Operating System
Operating System
5.1.2600.5512
5.1.2600.5512
svchost.exe_540_rwx_00C80000_00016000:
`.rsrc
`.rsrc
Portions Copyright (c) 1999,2003 Avenger by NhT
Portions Copyright (c) 1999,2003 Avenger by NhT
Kernel32.dll
Kernel32.dll
ntdll.dll
ntdll.dll
kernel32.dll
kernel32.dll
789:;
789:;
user32.dll
user32.dll
urlmon.dll
urlmon.dll
wininet.dll
wininet.dll
advapi32.dll
advapi32.dll
Shell32.dll
Shell32.dll
shell32.dll
shell32.dll
shlwapi.dll
shlwapi.dll
KWindows
KWindows
UnitKeylogger
UnitKeylogger
GetWindowsDirectoryW
GetWindowsDirectoryW
GetProcessHeap
GetProcessHeap
RegOpenKeyExW
RegOpenKeyExW
RegCreateKeyExW
RegCreateKeyExW
RegCreateKeyW
RegCreateKeyW
RegCloseKey
RegCloseKey
FindExecutableW
FindExecutableW
ShellExecuteW
ShellExecuteW
SHDeleteKeyW
SHDeleteKeyW
URLDownloadToFileW
URLDownloadToFileW
UnhookWindowsHookEx
UnhookWindowsHookEx
SetWindowsHookExW
SetWindowsHookExW
MapVirtualKeyW
MapVirtualKeyW
GetKeyboardLayout
GetKeyboardLayout
GetKeyState
GetKeyState
GetKeyboardState
GetKeyboardState
FtpPutFileW
FtpPutFileW
FtpSetCurrentDirectoryW
FtpSetCurrentDirectoryW
DeleteUrlCacheEntryW
DeleteUrlCacheEntryW
.idata
.idata
.rdata
.rdata
P.reloc
P.reloc
P.rsrc
P.rsrc
?URLDr
?URLDr
KERNEL32.DLL
KERNEL32.DLL
oleaut32.dll
oleaut32.dll
PSAPI.dll
PSAPI.dll
x.html
x.html
explorer.exe
explorer.exe
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\RunOnce
Software\Microsoft\Windows\CurrentVersion\RunOnce
Software\Microsoft\Windows NT\CurrentVersion\Windows
Software\Microsoft\Windows NT\CurrentVersion\Windows
explorer.exe
explorer.exe
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
[Execute]
[Execute]
KeyDelBackspace
KeyDelBackspace
XtremeKeylogger
XtremeKeylogger
hXXp://
hXXp://
.functions
.functions
ÞFAULTBROWSER%
ÞFAULTBROWSER%
\Microsoft\Windows\
\Microsoft\Windows\
svchost.exe
svchost.exe
desifre460.ddns.net
desifre460.ddns.net
Server.exe
Server.exe
\{5460C4DF-B266-909E-CB58-E32B79832EB2}
\{5460C4DF-B266-909E-CB58-E32B79832EB2}
PTF.ftpserver.com
PTF.ftpserver.com
ftpuser
ftpuser
ftppass
ftppass
%System%\InstallDir\Server.exe
%System%\InstallDir\Server.exe
%System%\InstallDir\
%System%\InstallDir\
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg
Software\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}
Software\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}
iexplore.exe_668:
%?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
iexplore.exe_668_rwx_00C80000_00016000:
`.rsrc
`.rsrc
Portions Copyright (c) 1999,2003 Avenger by NhT
Portions Copyright (c) 1999,2003 Avenger by NhT
Kernel32.dll
Kernel32.dll
ntdll.dll
ntdll.dll
kernel32.dll
kernel32.dll
789:;
789:;
user32.dll
user32.dll
urlmon.dll
urlmon.dll
wininet.dll
wininet.dll
advapi32.dll
advapi32.dll
Shell32.dll
Shell32.dll
shell32.dll
shell32.dll
shlwapi.dll
shlwapi.dll
KWindows
KWindows
UnitKeylogger
UnitKeylogger
GetWindowsDirectoryW
GetWindowsDirectoryW
GetProcessHeap
GetProcessHeap
RegOpenKeyExW
RegOpenKeyExW
RegCreateKeyExW
RegCreateKeyExW
RegCreateKeyW
RegCreateKeyW
RegCloseKey
RegCloseKey
FindExecutableW
FindExecutableW
ShellExecuteW
ShellExecuteW
SHDeleteKeyW
SHDeleteKeyW
URLDownloadToFileW
URLDownloadToFileW
UnhookWindowsHookEx
UnhookWindowsHookEx
SetWindowsHookExW
SetWindowsHookExW
MapVirtualKeyW
MapVirtualKeyW
GetKeyboardLayout
GetKeyboardLayout
GetKeyState
GetKeyState
GetKeyboardState
GetKeyboardState
FtpPutFileW
FtpPutFileW
FtpSetCurrentDirectoryW
FtpSetCurrentDirectoryW
DeleteUrlCacheEntryW
DeleteUrlCacheEntryW
.idata
.idata
.rdata
.rdata
P.reloc
P.reloc
P.rsrc
P.rsrc
?URLDr
?URLDr
KERNEL32.DLL
KERNEL32.DLL
oleaut32.dll
oleaut32.dll
PSAPI.dll
PSAPI.dll
x.html
x.html
explorer.exe
explorer.exe
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\RunOnce
Software\Microsoft\Windows\CurrentVersion\RunOnce
Software\Microsoft\Windows NT\CurrentVersion\Windows
Software\Microsoft\Windows NT\CurrentVersion\Windows
explorer.exe
explorer.exe
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
[Execute]
[Execute]
KeyDelBackspace
KeyDelBackspace
XtremeKeylogger
XtremeKeylogger
hXXp://
hXXp://
.functions
.functions
ÞFAULTBROWSER%
ÞFAULTBROWSER%
\Microsoft\Windows\
\Microsoft\Windows\
svchost.exe
svchost.exe
desifre460.ddns.net
desifre460.ddns.net
Server.exe
Server.exe
\{5460C4DF-B266-909E-CB58-E32B79832EB2}
\{5460C4DF-B266-909E-CB58-E32B79832EB2}
PTF.ftpserver.com
PTF.ftpserver.com
ftpuser
ftpuser
ftppass
ftppass
%System%\InstallDir\Server.exe
%System%\InstallDir\Server.exe
%System%\InstallDir\
%System%\InstallDir\
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\((Mutex)).cfg
Software\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}
Software\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}
c:\%original file name%.exe
c:\%original file name%.exe