HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.GenericKD.1713590 (B) (Emsisoft), Trojan.GenericKD.1713590 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 8dfabaca19eb7c59df9adb362c794f03
SHA1: 4c0c485a50ee16ee1cf49a362c4b06e7451de979
SHA256: 6867827cdda9a9344b0c5319e2aad028f6f24ca4b21ced064101f006313c864b
SSDeep: 6144:Lyip/FjM qXG06qUB6LER0eUK6qNReDh3t5AeJINpPPji4OjOqTmPuMiIlPOuB:tptojd6vB76qqTKiINcjIuMiIln
Size: 429056 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-06-11 13:26:16
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan-PSW. Trojan program intended for stealing users passwords.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan-PSW creates the following process(es):
%original file name%.exe:580
tmp.exe:1584
olgyk.exe:1580
.exe:1220
The Trojan-PSW injects its code into the following process(es):
Explorer.EXE:1912
File activity
The process %original file name%.exe:580 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\tmp.exe (141 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ .exe (35 bytes)
%System%\drivers\etc\hosts (216 bytes)
The process tmp.exe:1584 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Myyt\olgyk.exe (141 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmpca131213.bat (213 bytes)
Registry activity
The process %original file name%.exe:580 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "43 05 0D 6C AC 6B 47 F4 A0 78 44 52 94 61 F0 67"
[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"
[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]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Local Settings\Temp]
"tmp.exe" = "tmp"
[HKCU\Software\Microsoft\Supen]
"Uxgyun" = "BC D4 10 F5 92 9D 46 0D 84 94 6D EF 94 C0 FC E3"
The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Trojan-PSW 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-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:
"IntranetName" = "1"
The process tmp.exe:1584 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "01 9C F9 63 FF 91 3E CB 7C 05 C5 1C 20 87 5A D2"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Supen]
"Uxgyun" = "BC D4 10 F5 92 9D 46 0D 84 94 6D EF 94 C0 FC E3"
The process olgyk.exe:1580 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5B 5C C5 C4 C0 82 51 30 6E 5D 18 BA C6 2F AC C2"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process .exe:1220 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "65 42 DB 06 28 CF 01 A8 A7 08 B1 F8 6D 4F 36 60"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Dropped PE files
MD5 | File path |
---|---|
b324bce5063cf3864dd7fcd538911462 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Myyt\olgyk.exe |
e0d21bee6dae44a7c6e1896d7a8c7463 | c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\ .exe |
HOSTS file anomalies
The Trojan-PSW modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses. The modified file is 216 bytes in size. The following strings are added to the hosts file listed below:
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
127.0.0.1 | www.website.com |
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:
PFXImportCertStore
The Trojan-PSW installs the following user-mode hooks in USER32.dll:
SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSASend
send
closesocket
The Trojan-PSW installs the following user-mode hooks in kernel32.dll:
GetFileAttributesExW
The Trojan-PSW installs the following user-mode hooks in ntdll.dll:
LdrLoadDll
NtCreateThread
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):
%original file name%.exe:580
tmp.exe:1584
olgyk.exe:1580
.exe:1220 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Local Settings\Temp\tmp.exe (141 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ .exe (35 bytes)
%System%\drivers\etc\hosts (216 bytes)
%Documents and Settings%\%current user%\Application Data\Myyt\olgyk.exe (141 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmpca131213.bat (213 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
Company Name: dongtrading
Product Name: dongtrading
Product Version: 1.0.0.0
Legal Copyright: 673458
Legal Trademarks: dongtrading
Original Filename: force.exe
Internal Name: force.exe
File Version: 1.0
File Description: Order
Comments: Þscription%
Language: English (United States)
Company Name: dongtradingProduct Name: dongtradingProduct Version: 1.0.0.0Legal Copyright: 673458Legal Trademarks: dongtradingOriginal Filename: force.exeInternal Name: force.exeFile Version: 1.0 File Description: OrderComments: Þscription%Language: English (United States)
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.rsrc | 8192 | 5320 | 5632 | 2.99995 | 07d06b40fbd0c9132ab66afb0fe488fe |
.text | 16384 | 422240 | 422400 | 5.2583 | fa541102042d4eaed1b550885b966f23 |
.reloc | 442368 | 12 | 512 | 0.084755 | b1bb164046f0c9b70fef2df9d79f4e86 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
URL | IP |
---|---|
hxxp://portoautoonline.com.br/pd/config.bin | 186.202.127.48 |
hxxp://www.google.com/webhp | 173.194.39.176 |
hxxp://www.google.com.ua/webhp?gfe_rd=cr&ei=VDGbU-HHL6Lc8gfcl4DoCA | 173.194.39.191 |
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
GET /webhp?gfe_rd=cr&ei=VDGbU-HHL6Lc8gfcl4DoCA HTTP/1.1
Accept: */*
Connection: Close
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)
Cache-Control: no-cache
Host: VVV.google.com.ua
HTTP/1.1 200 OK
Date: Fri, 13 Jun 2014 17:13:57 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=UTF-8
Set-Cookie: PREF=ID=bcd2d0accbdb2394:FF=0:TM=1402679637:LM=1402679637:S=9Nx4YceCILsrXMrc; expires=Sun, 12-Jun-2016 17:13:57 GMT; path=/; domain=.google.com.ua
Set-Cookie: NID=67=Acb2_NURorfrhrWHxxMmCdP19H0B23RUoN54OVQHs7oW36SUvfgrxCDON51av0kpCuXrFV4KmoaTJEjFKPA1WYNKceGjXuIMw-PLg4CcBFeuu5LHqnNTRq2oN9zbO5-V; expires=Sat, 13-Dec-2014 17:13:57 GMT; path=/; domain=.google.com.ua; HttpOnly
P3P: CP="This is not a P3P policy! See hXXp://VVV.google.com/support/accounts/bin/answer.py?hl=en&answer=151657 for more info."
Server: gws
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Alternate-Protocol: 80:quic
Connection: close
<!doctype html><html itemscope="" itemtype="hXXp://schema.org/WebPage" lang="uk"><head><meta content="text/html; charset=UTF-8" http-equiv="content-type"><meta content="/images/google_favicon_128.png" itemprop="image"><title>Google</title><script>(function(){.window.google={kEI:"VTGbU_y1OqnpywO2oYD4DA",getEI:function(a){for(var c;a&&(!a.getAttribute||!(c=a.getAttribute("eid")));)a=a.parentNode;return c||google.kEI},https:function(){return"https:"==window.location.protocol},kEXPI:"4791,25657,4000116,4007661,4007830,4008142,4009033,4009641,4010806,4010858,4010899,4011228,4011258,4011679,4011960,4012373,4012504,4013414,4013591,4013723,4013758,4013787,4013823,4013967,4013979,4014016,4014093,4014431,4014515,4014636,4014671,4014805,4014810,4014991,4015234,4015260,4015266,4015339,4015550,4015587,4015633,4015772,4015989,4016127,4016292,4016309,4016367,4016373,4016487,4016824,4016855,4016882,4016933,4016976,4017224,4017278,4017280,4017285,4017298,4017544,4017553,4017595,4017612,4017639,4017681,4017694,4017710,4017742,4017818,4017821,4017824,4017857,4017880,4017913,4017922,4017963,4017981,4017982,4018009,4018019,4018030,4018056,4018126,4018154,4018159,4018175,4018180,4018283,4018363,4018416,4018424,4018480,4018519,4018542,4018554,4018566,4018569,4018597,4018610,4018619,4018621,4018638,4018757,4018923,4018935,4019142,8300012,8300027,8500223,8500252,8500256,8500272,8500306,8500325,8500332,8500357,8500365,8500379,8500393,8500400,8500421,8500433,10200012,10200053,10200083,10200
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GET /webhp HTTP/1.1
Accept: */*
Connection: Close
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: VVV.google.com
Cache-Control: no-cache
HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=VDGbU-HHL6Lc8gfcl4DoCA
Content-Length: 267
Date: Fri, 13 Jun 2014 17:13:56 GMT
Server: GFE/2.0
Alternate-Protocol: 80:quic
Connection: close
<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HEAD><BODY>.<H1>302 Moved</H1>.The document has moved.<A HREF="hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=VDGbU-HHL6Lc8gfcl4DoCA">here</A>...</BODY></HTML>....
GET /pd/config.bin HTTP/1.1
Accept: */*
Connection: Close
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: portoautoonline.com.br
Cache-Control: no-cache
HTTP/1.1 200 OK
Date: Fri, 13 Jun 2014 17:13:27 GMT
Server: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips mod_bwlimited/1.4
Last-Modified: Wed, 11 Jun 2014 08:55:54 GMT
ETag: "3a9ae4-8678-4fb8b9cb16520"
Accept-Ranges: bytes
Content-Length: 34424
Connection: close
Content-Type: application/octet-stream
..b.~yT...cK4.M..K<....f..?...6.n..%..Y.Q.{gJ=..0.E(.G.t.E..54O.Y.E...).A4.e.I]........dO.1....*...K.acw=..p.C* ......4.9 7%.{s......]........Q.1...B7.....c.0.r..R.....r........K......I......9.M.O}V.*..&....u..h......$..Q.Z..............F.97....4. f..45........4.....EtK.7r...Y.D..f.cT...!..;.?.&.=.*D6 ...QA...... d3y.z.A*u...>f..J...Z@..x,|X.......im.(.[.*m.9D"....3.U-....'V.7.3.Upx..g.a.0!...A..#N.6..%.d3Wo....Q..........68....O.5.."B..e..a..h........G.rW......._.e...k..<.1.......a.V$.$.7..N;........;l;u.]..c..."...."Q ..n....D.'i8......hO.jQ..........UE.X...................7!..e....BN. ......{.Y.:E.....].^..._K....i...4|.?.c......`.%u.\.O.x.....LS..R.3z'...2....?........v7.....F..E...[..K...0);...A.....$n..U..1.".D...............V/./.(.......,2.... .49$...M.?c.w...J....(....^=.....K.......N....a..YR~.\.&.t_.P....A...X..=d........SF.'Z....~m.. J..p.i.Z.]....a`D......X.....c._p.<6J.&9......'.=I.{.X.|h"Z.c..C..V.C..&L.2N......:.....6.3.j........h.v.r^...oI...T...G......s_.`/3?u....w}Tp.....A.\...Q..L@M.....|..f.P.J..k.p......@...%H.....a........3N. ...4..W[.!.zV.SZ&F..7.T.o.o!n........E.~X)..Z..H...4.. .../.n...w.S...j8..mJ..E.......e.3...>.D..nR.G..86{:...D../.U...w8...c.][....x.!.;Z&.. ..#..nd]..J.w.hya1.>'.....i..(^...Z.`>..E...M.G....'o...Zi......0.R.\.)d..y.$0{F......#..7AZ.U:..(n.9=""..0.2...c`..........}.J.X_.$.....<..$.x.......}.......g@S..y..,...........:..k{.@..B..uXm.-..Ww....w.4....=(.Xy.a.x!..DL...S....A...M..rR4d....WQ.....O...N.S.. _.w..PWR...?Z9...kD.v..x.E.....HZV6.v...w.
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Map
The Trojan-PSW connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_1912_rwx_01E00000_00027000:
.text
.text
`.data
`.data
.reloc
.reloc
http://www.google.com/webhp
http://www.google.com/webhp
PR_OpenTCPSocket
PR_OpenTCPSocket
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
: ;2*8.>
: ;2*8.>
3.#70!2)
3.#70!2)
x#m`a`cmddt-
x#m`a`cmddt-
6 !26!1'1
6 !26!1'1
7"52),,>
7"52),,>
;<)?$*%,
;<)?$*%,
71.(5;4=
71.(5;4=
(203,2$0
(203,2$0
/?./,5 <</pre><pre>:>(<<44=3%</pre><pre>8%/<8/?)?/</pre><pre>%/><!8?>!</!8?></pre><pre>HTTP/1.1</pre><pre>userenv.dll</pre><pre>del "%s"</pre><pre>if exist "%s" goto d</pre><pre>del /F "%s"</pre><pre>Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)</pre><pre>urlmon.dll</pre><pre>cabinet.dll</pre><pre>http://</pre><pre>https://</pre><pre>HTTP/1.</pre><pre>SSSh,4</pre><pre>GetProcessHeap</pre><pre>KERNEL32.dll</pre><pre>SetKeyboardState</pre><pre>ExitWindowsEx</pre><pre>MsgWaitForMultipleObjects</pre><pre>MapVirtualKeyW</pre><pre>GetKeyboardState</pre><pre>OpenWindowStationW</pre><pre>GetProcessWindowStation</pre><pre>CreateWindowStationW</pre><pre>CloseWindowStation</pre><pre>SetProcessWindowStation</pre><pre>USER32.dll</pre><pre>RegOpenKeyExW</pre><pre>RegEnumKeyExW</pre><pre>RegCloseKey</pre><pre>RegCreateKeyExW</pre><pre>ADVAPI32.dll</pre><pre>PathIsURLW</pre><pre>UrlUnescapeA</pre><pre>SHDeleteKeyW</pre><pre>SHLWAPI.dll</pre><pre>ShellExecuteW</pre><pre>SHELL32.dll</pre><pre>Secur32.dll</pre><pre>SetViewportOrgEx</pre><pre>GDI32.dll</pre><pre>WS2_32.dll</pre><pre>PFXImportCertStore</pre><pre>CertDeleteCertificateFromStore</pre><pre>CertOpenSystemStoreW</pre><pre>CertCloseStore</pre><pre>CertEnumCertificatesInStore</pre><pre>CertDuplicateCertificateContext</pre><pre>PFXExportCertStoreEx</pre><pre>CRYPT32.dll</pre><pre>HttpSendRequestExA</pre><pre>HttpQueryInfoA</pre><pre>HttpSendRequestExW</pre><pre>HttpSendRequestW</pre><pre>HttpSendRequestA</pre><pre>InternetCrackUrlA</pre><pre>HttpOpenRequestA</pre><pre>HttpAddRequestHeadersA</pre><pre>GetUrlCacheEntryInfoW</pre><pre>HttpAddRequestHeadersW</pre><pre>WININET.dll</pre><pre>OLEAUT32.dll</pre><pre>NETAPI32.dll</pre><pre>6 6&6/656{6</pre><pre>cGlobal\XXX</pre><pre>nspr4.dll</pre><pre>nss3.dll</pre><pre>SysShadow</pre><pre>kernel32.dll</pre><pre>"%s" %s</pre><pre>/c "%s"</pre><pre>%sx.%s</pre><pre>%sx</pre><pre>%Documents and Settings%\%current user%\Application Data\Dyfezo\subuu.imi</pre><pre>%Documents and Settings%\%current user%\Application Data\Dyfezo</pre><pre>subuu.imi</pre><pre>Global\{897C696E-72F9-C405-7A38-94AB6D8A8A00}</pre><pre>%Documents and Settings%\%current user%\Application Data</pre><pre>{1F07DB4B-C0DC-527E-7A38-94AB6D8A8A00}</pre>