Gen.Variant.Razy.91228_7fb39c905b

by malwarelabrobot on April 1st, 2017 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.Razy.91228 (B) (Emsisoft), Gen:Variant.Razy.91228 (AdAware), Backdoor.Win32.Xtrat.FD, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor, Worm, WormAutorun


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

Requires JavaScript enabled!

Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: 7fb39c905bd5e82697d330e24826af51
SHA1: a8b911680a4b942dc7912128a3e9f22d050d87c2
SHA256: 4b81c549e258ba69155b9a704d0b597a93d4251f25a4d3ee81a934e52be7c643
SSDeep: 1536:txz5QDav0/4aox9jm/F/Tf20abr3H0lQG:tx92dox9W/TfAbzUlQ
Size: 90112 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2017-03-10 15:09:37
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

Behaviour Description
WormAutorun A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.


Process activity

The Trojan creates the following process(es):

%original file name%.exe:2696
%original file name%.exe:1048

The Trojan injects its code into the following process(es):

svchost.exe:2548
iexplore.exe:2968

Mutexes

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

File activity

The process %original file name%.exe:2696 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe (601 bytes)

The process %original file name%.exe:1048 makes changes in the file system.
The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\x.html (0 bytes)

Registry activity

The process %original file name%.exe:2696 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\DDECache\IExplore\WWW_OpenURL]
"processname" = "iexplore.exe"
"WindowClassName" = "DDEMLMom"

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]
"18.exe" = "C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"18.exe" = "C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe"

The process %original file name%.exe:1048 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\XtremeRAT]
"Mutex" = "--((Mutex))--"

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

A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.

VersionInfo

Company Name:
Product Name:
Product Version: 0.0.0.0
Legal Copyright:
Legal Trademarks:
Original Filename: ingsgfsd.exe
Internal Name: ingsgfsd.exe
File Version: 0.0.0.0
File Description:
Comments:
Language: Chinese (Simplified, PRC)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 70468 73728 4.77458 b4cb5a50c3cfcbcbe6cf3ca93bc44018
.sdata 81920 103 4096 0.17733 eb8888836e61c24d10eaf77133d71668
.rsrc 90112 680 4096 0.470968 30eef3fbcaf74211943e4232c5adebc9
.reloc 98304 12 4096 0.011373 1a0748cb79dd392e61372c45e3d83325

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
hxxp://www.google.com/ 172.217.20.196
micropdz13.ddns.net 41.100.192.252
www.google.com.ua


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET / HTTP/1.1
Accept: text/html, application/xhtml xml, */*
Accept-Language: en-US
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
Accept-Encoding: gzip, deflate
Host: VVV.google.com
Connection: Keep-Alive
Cookie: NID=88=C6CEKO82itAhdU0twN6URqunh6Sn9EPCs-teRRQ4QRgNCJP-EG6VgSTOkC7BafUzPUi-GjuRAoRi6F4Sx78Gd_cLieG7apk740DNnT0oV6phUdJTT3H8MUyjxWiFq3Dm


HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=cNLdWNOoJ83i8Aea_qWADA
Content-Length: 262
Date: Fri, 31 Mar 2017 03:52:16 GMT
<HTML><HEAD><meta http-equiv="content-type" content="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=cNLdWNOoJ83i
8Aea_qWADA">here</A>...</BODY></HTML>..HTTP/1.1 3
02 Found..Cache-Control: private..Content-Type: text/html; charset=UTF
-8..Location: hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=cNLdWNOoJ83i8Aea_
qWADA..Content-Length: 262..Date: Fri, 31 Mar 2017 03:52:16 GMT..<H
TML><HEAD><meta http-equiv="content-type" content="text/ht
ml;charset=utf-8">.<TITLE>302 Moved</TITLE></HEAD>
;<BODY>.<H1>302 Moved</H1>.The document has moved.&l
t;A HREF="hXXp://VVV.google.com.ua/?gfe_rd=cr&ei=cNLdWNOoJ83i8Aea_
qWADA">here</A>...</BODY></HTML>....

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

iexplore.exe_2544:

.text
`.data
.rsrc
@.reloc
Bv.TBv
>.uzf
.us;}
IEFRAME.dll
MLANG.dll
iertutil.dll
urlmon.dll
ole32.dll
SHELL32.dll
SHLWAPI.dll
msvcrt.dll
USER32.dll
KERNEL32.dll
ADVAPI32.dll
RegOpenKeyExW
RegCloseKey
GetWindowsDirectoryW
_amsg_exit
_wcmdln
UrlApplySchemeW
PathIsURLW
UrlCanonicalizeW
UrlCreateFromPathW
iexplore.pdb
KEYW
KEYWh
KEYWD
.ENNNG.
a.ry.v
l.igM4
?1%SGf
xh.JW^
.97777"7" " " !
3.... )) 
8888888888888
8888888888
.lPV)
úW1
.ApX/
H.ZAf
ð[U
%s!FK
1YYYY1YY9GEAA=77YRNNNW:.VT1
888777777
Y.hilkRROMLK=C,
..(((($$
3...((((%
3....(.''$
3.2...((((%
33.2....(,'
55323222...
(%&'00443445?
00.,,,4(
000.,,9(
0020..9(
003200;(
(#'( (''''!'!
Microsoft.InternetExplorer.Default
9user32.dll
Kernel32.DLL
9xfire.exe
wlmail.exe
winamp.exe
waol.exe
sidebar.exe
psocdesigner.exe
np.exe
netscape.exe
netcaptor.exe
neoplanet.exe
msn.exe
mshtmpad.exe
mshta.exe
loader42.exe
infopath.exe
iexplore.exe
iepreview.exe
groove.exe
explorer.exe
dreamweaver.exe
contribute.exe
aol.exe
{28fb17e0-d393-439d-9a21-9474a070473a}
Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
DShell32.dll
Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe
Software\Microsoft\Active Setup\Installed Components\>{26923b43-4d38-484f-9b9e-de460746276c}
"%s" %s
Kernel32.dll
\AppPatch\sysmain.sdb
-extoff go.microsoft.com/fwlink/?LinkId=106323
-extoff go.microsoft.com/fwlink/?LinkId=106322
-extoff go.microsoft.com/fwlink/?LinkId=106320
kernel32.dll
{00000000-0000-0000-0000-000000000000}
\\?\Volume
shell:%s
Imaging_CreateWebPagePreview_Perftrack
Browseui_Tabs_Tearoff_BetweenWindows
Frame_URLEntered
Imaging_CreateWebPagePreview
WS_ExecuteQuery
Shdocvw_BaseBrowser_FireEvent_WindowStateChanged
IdleTask_Execution_Time
9.00.8112.16421 (WIN7_IE9_RTM.110308-0330)
IEXPLORE.EXE
Windows
9.00.8112.16421

svchost.exe_2548:

.text
`.data
.rsrc
@.reloc
msvcrt.dll
API-MS-Win-Core-ProcessThreads-L1-1-0.dll
KERNEL32.dll
NTDLL.DLL
API-MS-Win-Security-Base-L1-1-0.dll
API-MS-WIN-Service-Core-L1-1-0.dll
API-MS-WIN-Service-winsvc-L1-1-0.dll
RPCRT4.dll
ole32.dll
ntdll.dll
_amsg_exit
RegCloseKey
RegOpenKeyExW
GetProcessHeap
svchost.pdb
version="5.1.0.0"
name="Microsoft.Windows.Services.SvcHost"
<description>Host Process for Windows Services</description>
<requestedExecutionLevel
Software\Microsoft\Windows NT\CurrentVersion\Svchost
Software\Microsoft\Windows NT\CurrentVersion\MgdSvchost
\PIPE\
Host Process for Windows Services
6.1.7600.16385 (win7_rtm.090713-1255)
svchost.exe
Windows
Operating System
6.1.7600.16385

svchost.exe_2548_rwx_10000000_0004D000:

`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExW
RegCreateKeyW
RegCloseKey
RegOpenKeyExA
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
.LzraryAk
URLD
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
micropdz13.ddns.net
%Servers
Server.exe
ÞFA
{5460C4DF-B266-909E-CB58-E32B79832EB2}
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
127.0.0.1
PTF.ftpserver.com
ftpuser

iexplore.exe_2592:

.text
`.data
.rsrc
@.reloc
Bv.TBv
>.uzf
.us;}
IEFRAME.dll
MLANG.dll
iertutil.dll
urlmon.dll
ole32.dll
SHELL32.dll
SHLWAPI.dll
msvcrt.dll
USER32.dll
KERNEL32.dll
ADVAPI32.dll
RegOpenKeyExW
RegCloseKey
GetWindowsDirectoryW
_amsg_exit
_wcmdln
UrlApplySchemeW
PathIsURLW
UrlCanonicalizeW
UrlCreateFromPathW
iexplore.pdb
KEYW
KEYWh
KEYWD
.ENNNG.
a.ry.v
l.igM4
?1%SGf
xh.JW^
.97777"7" " " !
3.... )) 
8888888888888
8888888888
.lPV)
úW1
.ApX/
H.ZAf
ð[U
%s!FK
1YYYY1YY9GEAA=77YRNNNW:.VT1
888777777
Y.hilkRROMLK=C,
..(((($$
3...((((%
3....(.''$
3.2...((((%
33.2....(,'
55323222...
(%&'00443445?
00.,,,4(
000.,,9(
0020..9(
003200;(
(#'( (''''!'!
Microsoft.InternetExplorer.Default
9user32.dll
Kernel32.DLL
9xfire.exe
wlmail.exe
winamp.exe
waol.exe
sidebar.exe
psocdesigner.exe
np.exe
netscape.exe
netcaptor.exe
neoplanet.exe
msn.exe
mshtmpad.exe
mshta.exe
loader42.exe
infopath.exe
iexplore.exe
iepreview.exe
groove.exe
explorer.exe
dreamweaver.exe
contribute.exe
aol.exe
{28fb17e0-d393-439d-9a21-9474a070473a}
Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
DShell32.dll
Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe
Software\Microsoft\Active Setup\Installed Components\>{26923b43-4d38-484f-9b9e-de460746276c}
"%s" %s
Kernel32.dll
\AppPatch\sysmain.sdb
-extoff go.microsoft.com/fwlink/?LinkId=106323
-extoff go.microsoft.com/fwlink/?LinkId=106322
-extoff go.microsoft.com/fwlink/?LinkId=106320
kernel32.dll
{00000000-0000-0000-0000-000000000000}
\\?\Volume
shell:%s
Imaging_CreateWebPagePreview_Perftrack
Browseui_Tabs_Tearoff_BetweenWindows
Frame_URLEntered
Imaging_CreateWebPagePreview
WS_ExecuteQuery
Shdocvw_BaseBrowser_FireEvent_WindowStateChanged
IdleTask_Execution_Time
9.00.8112.16421 (WIN7_IE9_RTM.110308-0330)
IEXPLORE.EXE
Windows
9.00.8112.16421

iexplore.exe_2968:

.text
`.data
.rsrc
@.reloc
Bv.TBv
>.uzf
.us;}
IEFRAME.dll
MLANG.dll
iertutil.dll
urlmon.dll
ole32.dll
SHELL32.dll
SHLWAPI.dll
msvcrt.dll
USER32.dll
KERNEL32.dll
ADVAPI32.dll
RegOpenKeyExW
RegCloseKey
GetWindowsDirectoryW
_amsg_exit
_wcmdln
UrlApplySchemeW
PathIsURLW
UrlCanonicalizeW
UrlCreateFromPathW
iexplore.pdb
KEYW
KEYWh
KEYWD
.ENNNG.
a.ry.v
l.igM4
?1%SGf
xh.JW^
.97777"7" " " !
3.... )) 
8888888888888
8888888888
.lPV)
úW1
.ApX/
H.ZAf
ð[U
%s!FK
1YYYY1YY9GEAA=77YRNNNW:.VT1
888777777
Y.hilkRROMLK=C,
..(((($$
3...((((%
3....(.''$
3.2...((((%
33.2....(,'
55323222...
(%&'00443445?
00.,,,4(
000.,,9(
0020..9(
003200;(
(#'( (''''!'!
Microsoft.InternetExplorer.Default
9user32.dll
Kernel32.DLL
9xfire.exe
wlmail.exe
winamp.exe
waol.exe
sidebar.exe
psocdesigner.exe
np.exe
netscape.exe
netcaptor.exe
neoplanet.exe
msn.exe
mshtmpad.exe
mshta.exe
loader42.exe
infopath.exe
iexplore.exe
iepreview.exe
groove.exe
explorer.exe
dreamweaver.exe
contribute.exe
aol.exe
{28fb17e0-d393-439d-9a21-9474a070473a}
Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
DShell32.dll
Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe
Software\Microsoft\Active Setup\Installed Components\>{26923b43-4d38-484f-9b9e-de460746276c}
"%s" %s
Kernel32.dll
\AppPatch\sysmain.sdb
-extoff go.microsoft.com/fwlink/?LinkId=106323
-extoff go.microsoft.com/fwlink/?LinkId=106322
-extoff go.microsoft.com/fwlink/?LinkId=106320
kernel32.dll
{00000000-0000-0000-0000-000000000000}
\\?\Volume
shell:%s
Imaging_CreateWebPagePreview_Perftrack
Browseui_Tabs_Tearoff_BetweenWindows
Frame_URLEntered
Imaging_CreateWebPagePreview
WS_ExecuteQuery
Shdocvw_BaseBrowser_FireEvent_WindowStateChanged
IdleTask_Execution_Time
9.00.8112.16421 (WIN7_IE9_RTM.110308-0330)
IEXPLORE.EXE
Windows
9.00.8112.16421

iexplore.exe_2968_rwx_10000000_0004D000:

`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExW
RegCreateKeyW
RegCloseKey
RegOpenKeyExA
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
.LzraryAk
URLD
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
micropdz13.ddns.net
%Servers
Server.exe
ÞFA
{5460C4DF-B266-909E-CB58-E32B79832EB2}
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
127.0.0.1
PTF.ftpserver.com
ftpuser
c:\%original file name%.exe
%Program Files%\Internet Explorer\iexplore.exe


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):

    %original file name%.exe:2696
    %original file name%.exe:1048

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe (601 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "18.exe" = "C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe"

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "18.exe" = "C:\Users\"%CurrentUserName%"\AppData\RoamingMicrosoft\System\Services\18.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
  7. Reboot the computer.

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

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