Gen.Variant.Graftor.350771_87d90ad388

Trojan-Downloader.NSIS.Adload.bx (Kaspersky), Gen:Variant.Graftor.350771 (AdAware), Trojan.NSIS.StartPage.FD (Lavasoft MAS) Behaviour: Trojan-Downloader, Trojan The description has been automatically...
Blog rating:2 out of5 with1 ratings

Gen.Variant.Graftor.350771_87d90ad388

by malwarelabrobot on August 27th, 2017 in Malware Descriptions.

Trojan-Downloader.NSIS.Adload.bx (Kaspersky), Gen:Variant.Graftor.350771 (AdAware), Trojan.NSIS.StartPage.FD (Lavasoft MAS)
Behaviour: Trojan-Downloader, Trojan


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: 87d90ad3885bf2b6b8e9d04de522b60c
SHA1: cf4a53b2f6a428a934cc3739f5fc7d348ffae9b9
SHA256: 910518ad998cf090d7ab4eae91f0c18a65347337f970956c9fee77c08cada200
SSDeep: 49152:dqbL5MiwMfzK/Jsb//4hthRUvNnduR5M36xkFGOD6MhIG:dqOiwMFithR2Ndu3zxnO2SZ
Size: 2548974 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2009-12-06 00:50:52
Analyzed on: Windows7 SP1 32-bit


Summary:

Trojan-Downloader. Trojan program, which downloads files from the Internet without user's notice and executes them.

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

setup.exe:1720

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

%original file name%.exe:2936

Mutexes

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

File activity

The process setup.exe:1720 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll (13 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nscAA91.tmp (7070 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nscAA90.tmp (0 bytes)

The process %original file name%.exe:2936 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\inetc.dll (44 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\System.dll (23 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\B (36509 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nss49BC.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\ZuT2XmqCRd (0 bytes)

Registry activity

The process %original file name%.exe:2936 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASMANCS]
"FileDirectory" = "%windir%\tracing"

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASAPI32]
"ConsoleTracingMask" = "4294901760"

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

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASMANCS]
"EnableFileTracing" = "0"
"FileTracingMask" = "4294901760"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASAPI32]
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASMANCS]
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASAPI32]
"FileTracingMask" = "4294901760"
"EnableFileTracing" = "0"
"FileDirectory" = "%windir%\tracing"
"EnableConsoleTracing" = "0"

[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"

[HKLM\SOFTWARE\Microsoft\Tracing\87d90ad3885bf2b6b8e9d04de522b60c_RASMANCS]
"EnableConsoleTracing" = "0"

"ConsoleTracingMask" = "4294901760"

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
c17103ae9072a06da581dec998343fc1 c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\System.dll
c498ae64b4971132bba676873978de1e c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\inetc.dll
e7bdc3db66a2c11f217bf5bfe3c2a1c0 c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
a1cd3f159ef78d9ace162f067b544fd9 c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 23628 24064 4.46394 856b32eb77dfd6fb67f21d6543272da5
.rdata 28672 4764 5120 3.4982 dc77f8a1e6985a4361c55642680ddb4f
.data 36864 154712 1024 3.3278 7922d4ce117d7d5b3ac2cffe4b0b5e4f
.ndata 192512 40960 0 0 d41d8cd98f00b204e9800998ecf8427e
.rsrc 233472 16944 17408 3.51858 37c2ccfc5b09cac81285df31ebac23d4

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
3239aa1cf4662261740672f1daafbfd9
9679a18869914f14531ad56c03b05918

URLs

URL IP
get.erattempth.club
get.ercationiv.club


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

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

%original file name%.exe_2936:

.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
*?|<>/":
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\B->C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\B
etc.dll
Mh.GS
System.dll
callback%d
@.reloc
u.Uj@
MSVCRT.dll
HttpSendRequestA
HttpSendRequestExA
HttpQueryInfoA
FtpCreateDirectoryA
FtpOpenFileA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpEndRequestA
InternetCrackUrlA
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)
REST %d
SIZE %s
Content-Length: %d
Content-Type: application/x-www-form-urlencoded
Authorization: basic %s
Proxy-authorization: basic %s
%s:%s
FtpCommandA
wininet.dll
%u MB
%u kB
%u bytes
%d:d:d
%s - %s
(Err=%d)
NSIS_Inetc (Mozilla)
Filename: %s
/password
Uploading %s
9!9-9B9}9
.reloc
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp
nsh49CC.tmp
s\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp
c:\%original file name%.exe
%original file name%.exe
ers\"%CurrentUserName%"\AppData\Local\Temp\nss49BC.tmp
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\
201708261306
<?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><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>

%original file name%.exe_2936_rwx_10004000_00001000:

callback%d

setup.exe_1720:

.text
`.rdata
@.data
.ndata
.rsrc
@.reloc
RegDeleteKeyExW
Kernel32.DLL
PSAPI.DLL
%s=%s
GetWindowsDirectoryW
KERNEL32.dll
ExitWindowsEx
GetAsyncKeyState
USER32.dll
GDI32.dll
SHFileOperationW
ShellExecuteW
SHELL32.dll
RegDeleteKeyW
RegCloseKey
RegEnumKeyW
RegOpenKeyExW
RegCreateKeyExW
ADVAPI32.dll
COMCTL32.dll
ole32.dll
VERSION.dll
Mh.GS
LangDLL.dll
MoreInfo.dll
t:\untgz\MoreInfo\SRC\Release\MoreInfo.pdb
`.data
.reloc
FindProcDLL.dll
w7tbp.dll
<?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="asInvoker" uiAccess="false"/></requestedPrivileges></security></trustInfo><compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1"><application><supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/><supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/><supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/><supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/><supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/></application></compatibility></assembly>
logging set to %d
settings logging to %d
created uninstaller: %d, "%s"
WriteReg: error creating key "%s\%s"
WriteReg: error writing into "%s\%s" "%s"
WriteRegBin: "%s\%s" "%s"="%s"
WriteRegDWORD: "%s\%s" "%s"="0xx"
WriteRegExpandStr: "%s\%s" "%s"="%s"
WriteRegStr: "%s\%s" "%s"="%s"
DeleteRegKey: "%s\%s"
DeleteRegValue: "%s\%s" "%s"
WriteINIStr: wrote [%s] %s=%s in %s
CopyFiles "%s"->"%s"
CreateShortCut: out: "%s", in: "%s %s", icon: %s,%d, sw=%d, hk=%d
Error registering DLL: Could not load %s
Error registering DLL: %s not found in %s
GetTTFFontName(%s) returned %s
GetTTFVersionString(%s) returned %s
Exec: failed createprocess ("%s")
Exec: success ("%s")
Exec: command="%s"
ExecShell: success ("%s": file:"%s" params:"%s")
ExecShell: warning: error ("%s": file:"%s" params:"%s")=%d
Exch: stack < %d elements
RMDir: "%s"
MessageBox: %d,"%s"
Delete: "%s"
File: wrote %d to "%s"
File: skipped: "%s" (overwriteflag=%d)
File: error creating "%s"
File: overwriteflag=%d, allowskipfilesflag=%d, name="%s"
Rename failed: %s
Rename on reboot: %s
Rename: %s
IfFileExists: file "%s" does not exist, jumping %d
IfFileExists: file "%s" exists, jumping %d
CreateDirectory: "%s" created
CreateDirectory: can't create "%s" - a file already exists
CreateDirectory: can't create "%s" (err=%d)
CreateDirectory: "%s" (%d)
SetFileAttributes: "%s":X
Sleep(%d)
detailprint: %s
Call: %d
Aborting: "%s"
Jump: %d
verifying installer: %d%%
unpacking data: %d%%
... %d%%
hXXp://nsis.sf.net/NSIS_Error
~nsu.tmp
install.log
%u.%u%s%s
Skipping section: "%s"
Section: "%s"
New install of "%s" to "%s"
.DEFAULT\Control Panel\International
Software\Microsoft\Windows\CurrentVersion
*?|<>/":
invalid registry key
HKEY_DYN_DATA
HKEY_CURRENT_CONFIG
HKEY_PERFORMANCE_DATA
HKEY_USERS
HKEY_LOCAL_MACHINE
HKEY_CURRENT_USER
HKEY_CLASSES_ROOT
x%c
RMDir: RemoveDirectory failed("%s")
RMDir: RemoveDirectory on Reboot("%s")
RMDir: RemoveDirectory("%s")
RMDir: RemoveDirectory invalid input("%s")
Delete: DeleteFile failed("%s")
Delete: DeleteFile on Reboot("%s")
Delete: DeleteFile("%s")
%s: failed opening file "%s"
m\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp
\StringFileInfo\XX\%s
USER.EXE
1.0.1.2
kernel32.dll
nssAAA2.tmp
File: wrote 5120 to "C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll"
Temp\nssAAA2.tmp\LangDLL.dll"
TNOD User & Password Finder
:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\setup.exe
\TNODPortable
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp
setup.exe
ers\"%CurrentUserName%"\AppData\Local\Temp\nscAA90.tmp
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\
PortableApps.comLocaleID%
hXXp://portablewares.blogspot.com/
1.6.1.0
2007-2015
TNODPortable_1.6.1.b9_Multilingual.paf.exe
PortableApps.comAppID
TNODPortable
PortableApps.comFormatVersion
3.0.19
PortableApps.comInstallerVersion
3.0.19.0
Portable


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):

    setup.exe:1720

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

    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nssAAA2.tmp\LangDLL.dll (13 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nscAA91.tmp (7070 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\inetc.dll (44 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\System.dll (23 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsh49CC.tmp\B (36509 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.

Average: 2 (1 vote)

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