Gen.Variant.Graftor.139399_f5e1348917 – Adaware

Trojan.Win32.Inject.ocrw (Kaspersky), Gen:Variant.Graftor.139399 (AdAware), Trojan.Win32.IEDummy.FD, mzpefinder_pcap_file.YR (Lavasoft MAS)Behaviour: Trojan

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: f5e1348917e3f9f56eaf8d25ab20334d

SHA1: 0c83babf39c242fc8d83e48d345409040b238d42

SHA256: 0cca883b2b550318b562094b57c2c1ea62d4683bf2a4f954171edab0fc65630c

SSDeep: 98304:BTO9sD B9xCb6W9HP4MiTX3HTKm4dgfrm0xpdwqGWPR ZEZ5:p3 BDqQMsX3Hi03dw1CDz

Size: 5411052 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2014-06-10 20:11:07

Analyzed on: WindowsXPESX 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):

mscorsvw.exe:1912
starts.exe:1120
starts.exe:332
%original file name%.exe:440

The Trojan injects its code into the following process(es):No processes have been created.

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process starts.exe:332 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)

The process %original file name%.exe:440 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\starts.exe (171634 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\starts.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\__tmp_rar_sfx_access_check_2647328 (0 bytes)

Registry activity

The process mscorsvw.exe:1912 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\.NETFramework\v2.0.50727\NGenService\State]
"AccumulatedWaitIdleTime" = "2340000"

The process starts.exe:1120 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "31 51 5A 46 A6 74 5D 49 9C 34 A3 69 3B EF DB B6"

The process starts.exe:332 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"Guid" = "8aefce96-4618-42ff-a057-3536aa78233e"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryCount" = "16"
"TypesSupported" = "7"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"Active" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\ESENT\Process\starts\DEBUG]
"Trace Level" = ""

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AA 06 F5 6F 74 FD D3 82 10 F9 62 2C 0E 03 B3 FF"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryMessageFile" = "%System%\ESENT.dll"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"LogSessionName" = "stdout"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Internet Explorer]
"iexplore.exe" = "Internet Explorer"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"EventMessageFile" = "%System%\ESENT.dll"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"ControlFlags" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

"IntranetName" = "1"

The Trojan deletes the following value(s) in system registry:

[HKLM\SOFTWARE\Microsoft\ESENT\Process\starts\DEBUG]
"Trace Level"

The process %original file name%.exe:440 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B1 65 86 BF 19 C8 14 10 E5 1E 1D 2E CF 73 6A 8D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\RarSFX0]
"starts.exe" = "starts"

[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\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Dropped PE files

MD5	File path
9c57274f895f9352b06cceda665f8e4e	c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\RarSFX0\starts.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):
mscorsvw.exe:1912
starts.exe:1120
starts.exe:332
%original file name%.exe:440
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\starts.exe (171634 bytes)
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

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

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	165203	165376	4.66056	0d2680623ee21ef164d1e5badd4a9069
.rdata	172032	20307	20480	3.70992	68d6f01f72380c61070d86b06775b053
.data	192512	137468	5632	2.40524	599cdae4e964b67335324e67538c2a9c
.rsrc	331776	18586	18944	3.90285	be9873703cdfefe347119578cf2b9f6c

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://1st.dtwscachev1.glb0.lxdns.com/soft/ppsetup.exe
hxxp://ghost.25pp.com/soft/ppsetup.exe	115.231.159.73

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /soft/ppsetup.exe HTTP/1.1

Accept: */*

Accept-Language: en-us

Accept-Encoding: gzip, deflate

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: ghost.25pp.com

Connection: Keep-Alive

HTTP/1.1 200 OK

Date: Fri, 05 Dec 2014 05:26:24 GMT

Server: nginx/1.3.7

Content-Type: application/octet-stream

Last-Modified: Tue, 04 Nov 2014 12:07:25 GMT

ETag: "5458c17d-134dae8"

Cache-Control: no-store

Content-Length: 20241128

Age: 1

X-Via: 1.1 tzh78:8080 (Cdn Cache Server V2.0), 1.1 taizhou65:0 (Cdn Cache Server V2.0)

Connection: keep-alive

MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......1.D9u.*ju.*ju.*j..ujw.*ju. j..*j..wjd.*j!..j..*j..,jt.*jRichu.*j........PE..L.....oS.................`...*......Z3.......p....@...................................5......................................t........................4..............................................................p...............................text...h^.......`.................. ..`.rdata..T....p.......d..............@..@.data................x..............@....ndata...@...............................rsrc................~..............@..@........................................................................................................................................................................................................................................................................................................................................................................................U....\.}..t .}.F.E.u..H......B..H.P.u..u..u...$r@..B...SV.5..B..E.WP.u...(r@..e...E..E.P.u...,r@..}..e....Lp@........FR..VV..U... M.......M....3.....FQ.....NU..M..........VT..U.....FP..E...............E.P.M...Tp@..E...E.P.E.P.u...0r@..u....E..9}...w....~X.te.v4..Dp@....E.tU.}.j.W.E......E.......@p@..vXW..Hp@..u..5<p@.W...E..E.h ...Pj.h..B.W..4r@..u.W...u....E.P.u...|r@._^3.[.....L$....B...Si.....VW.T.....tO.q.3.;5..B.sB..i......D.......t.G.....t...O..t .....u...3....3...F.....;5..B.r._^[...U..QQ.U.SV..i.

<<< skipped >>>

Map

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

Strings from Dumps

iexplore.exe_912:

%?9-*09,*19}*09

.text

`.data

.rsrc

msvcrt.dll

KERNEL32.dll

NTDLL.DLL

USER32.dll

SHLWAPI.dll

SHDOCVW.dll

Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess

IE-X-X

rsabase.dll

System\CurrentControlSet\Control\Windows

dw15 -x -s %u

watson.microsoft.com

IEWatsonURL

%s -h %u

iedw.exe

Iexplore.XPExceptionFilter

jscript.DLL

mshtml.dll

mlang.dll

urlmon.dll

wininet.dll

shdocvw.DLL

browseui.DLL

comctl32.DLL

IEXPLORE.EXE

iexplore.pdb

ADVAPI32.dll

MsgWaitForMultipleObjects

IExplorer.EXE

IIIIIB(II<.fg>

7?_____ZZSSH%

)z.UUUUUUUU

,....Qym

````2```

{.QLQIIIKGKGKGKGKGKG

;33;33;0

8888880

8887080

browseui.dll

shdocvw.dll

6.00.2900.5512 (xpsp.080413-2105)

Windows

Operating System

6.00.2900.5512