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).

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

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

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)

ET POLICY User-Agent (NSIS_Inetc (Mozilla)) - Sometimes used by hostile installers
ET POLICY PE EXE or DLL Windows file download HTTP
ET SHELLCODE Possible TCP x86 JMP to CALL Shellcode Detected
ET TROJAN VMProtect Packed Binary Inbound via HTTP - Likely Hostile

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....$........\...=...=..
.=..6.W..=..6.U.,=..6.T..=....m..=..gd...=...E"..=...E%..=...E5..=...=
...>...c...=...c...=...c...<...c...=...cY..=...=1..=...c...=..Ri
ch.=..........PE..L...b.-X.................R...........4.......p....@.
.........................P9...../.8...@...............................
............!...............8......P7.........p.......................
....`...@............p...............................text...\Q.......R
.................. ..`.rdata..|e...p...f...V..............@..@.data...
.........`..................@....gfids.. ...........................@.
.@.giats.......`!....... .............@..@.tls.........p!....... .....
........@....rsrc.........!....... .............@..@.reloc.......P7...
....6.............@..B................................................
......................................................................
..................................................j...._..\...hp[Y....
._...\....._......7'..Y.h.[Y.. '..Y.h.[Y...'..Y.h.\Y...'..Y.h.\Y...'..
Y.h.\Y...&..Y.h0.Y....wY..8>_..h`.Y....wY..x>_... ?_......h!\Y..
.&..Y.h..^.......j.. A_.......%,A_...
_..h \Y... A_.l.Y...4B_."....~
&..Y.j..8B_.......Û_...%HB_..h6\Y...8B_...Y...LC_.$....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....$...................
.....H.......H..z....H.......:%....._.........j.......m.......}.......
..............................-.......(.........y.....-.......Rich....
........PE..L...P. X..........................................@.......
...................@7.....J.6...@.................................,...
......................6......P5.........p...................|....... .
..@............................................text...8...............
............ ..`.rdata..N...........................@..@.data.........
...\..................@....gfids...............&..............@..@.gia
ts.......`......................@..@.tls.........p....................
..@....rsrc...............................@..@.reloc.......P5.......4.
............@..B......................................................
......................................................................
............................................j....]......h`.W.....].p.Z
...4.]..........Y.h..W......Y.h..W......Y.h..W......Y.h..W......Y.h..W
......Y.hP.X.....W...J]..hd.X.....W..0K]....K]......h..W..q...Y.h|.\..
#....j...M].......%.M]...%.M]..h..W....M]...X...lN]."....,...Y.j..pN].
.^....%|N]...%.N]..h&.W...pN]...X....O].$........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 >>>

The Trojan connects to the servers at the folowing location(s):

.text

`.rdata

@.data

.ndata

.rsrc

uDSSh

hu2.iu

.DEFAULT\Control Panel\International

Software\Microsoft\Windows\CurrentVersion

GetWindowsDirectoryA

KERNEL32.dll

ExitWindowsEx

USER32.dll

GDI32.dll

SHFileOperationA

ShellExecuteA

SHELL32.dll

RegEnumKeyA

RegCreateKeyExA

RegCloseKey

RegDeleteKeyA

RegOpenKeyExA

ADVAPI32.dll

COMCTL32.dll

ole32.dll

VERSION.dll

verifying installer: %d%%

hXXp://nsis.sf.net/NSIS_Error

... %d%%

~nsu.tmp

%u.%u%s%s

RegDeleteKeyExA

%s=%s

*?|<>/":

sers\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll

L.dll

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp\INetC.dll

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc404B.tmp

%ctSNI

`.data

@.reloc

SIZE %s

REST %d

FtpGetFileSize

Proxy-authorization: basic %s

Authorization: basic %s

Content-Type: application/x-www-form-urlencoded

Content-Length: %d

FtpCommandA

%s:%s

%u bytes

%u kB

%u MB

%s - %s

%d:d:d

/password

Filename: %s

NSIS_Inetc (Mozilla)

(Err=%d)

Uploading %s

D$%SP

t.UWh

KERNEL32.DLL

USER32.DLL

COMCTL32.DLL

HttpQueryInfoA

FtpCreateDirectoryA

FtpOpenFileA

HttpEndRequestA

HttpAddRequestHeadersA

HttpSendRequestA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestExA

WININET.DLL

INetC.dll

Open URL Error

URL Parts Error

FtpCreateDir failed (550)

Error FTP path (550)

Downloading %s

%dkB (%d%%) of %dkB @ %d.
dkB/s

(%d %s%s remaining)

z6?%XLT

:4.IB

nsc404B.tmp

3715224

\"%CurrentUserName%"\AppData\Roaming\Jabra\Jabra.exe

sandbox_svc.exe

c06640d4647b5d30681.exe

c:\%original file name%.exe

d:\sandbox_svc.exe

640d4647b5d30681.exe

C:\ProgramData\AppService

%original file name%.exe

ers\"%CurrentUserName%"\AppData\Local\Temp\nsm403A.tmp

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\

3580568

3688088

5522184

)-.Yln

<?xml version="1.0" encoding="UTF-8" standalone="yes"?><assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"><assemblyIdentity version="1.0.0.0" processorArchitecture="X86" name="Nullsoft.NSIS.exehead" type="win32"/><description>Nullsoft Install System v2.46</description><dependency><dependentAssembly><assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="X86" publicKeyToken="6595b64144ccf1df" language="*" /></dependentAssembly></dependency><trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"><security><requestedPrivileges><requestedExecutionLevel level="requireAdministrator" uiAccess="false"/></requestedPrivileges></security></trustInfo><compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1"><application><supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/><supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/></application></compatibility></assembly>

1.0.5.2

inetc.dll

%original file name%.exe_2712_rwx_10004000_00001000:

callback%d

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
2. Delete the original Trojan file.
   
3. 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)

4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
5. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.