File name:

VAVOO-Webinstaller-i386.exe

Full analysis: https://app.any.run/tasks/5a8d749b-a50e-469d-b098-26bf3106efd5
Verdict: Malicious activity
Analysis date: April 12, 2019, 23:24:07
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

81B2611F5DAF392B2BF8B592A03E7B8C

SHA1:

FD90811E0E868895799CB56F813896872A2DBE04

SHA256:

B19765E5EB729F892A918FCDD9213EED4A4C9FAEE4574BB479D09EE511DA2734

SSDEEP:

3072:rQZvOsPPKedcQOj81yziVDdmI3Fr+CuCANNj8:rBehsgDYQc

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Loads dropped or rewritten executable

      • VAVOO-Webinstaller-i386.exe (PID: 3064)

    • Application was dropped or rewritten from another process

      • nsFF88.tmp (PID: 2412)
      • ns2C6.tmp (PID: 2396)
      • ns1CB.tmp (PID: 3032)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • nsFF88.tmp (PID: 2412)
      • ns1CB.tmp (PID: 3032)
      • ns2C6.tmp (PID: 2396)

    • Starts application with an unusual extension

      • VAVOO-Webinstaller-i386.exe (PID: 3064)

    • Executable content was dropped or overwritten

      • VAVOO-Webinstaller-i386.exe (PID: 3064)

    • Starts Internet Explorer

      • VAVOO-Webinstaller-i386.exe (PID: 3064)

  • INFO

    • Creates files in the user directory

      • iexplore.exe (PID: 3688)

    • Changes internet zones settings

      • iexplore.exe (PID: 3412)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3688)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3688)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 3412)

    • Changes settings of System certificates

      • iexplore.exe (PID: 3412)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 3412)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2016:12:11 22:50:38+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 24064
InitializedDataSize: 118272
UninitializedDataSize: 1024
EntryPoint: 0x316d
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
Comments: This application and its source code are freely distributable.
CompanyName: VAVOO
FileDescription: VAVOO 1.0.0.0 Webinstaller
FileVersion: 1.0.0.0
LegalCopyright: The trademark is owned by VAVOO
LegalTrademarks: VAVOO
ProductName: VAVOO-Webinstaller
ProductVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 11-Dec-2016 21:50:38
Detected languages:
  • English - United States
Comments: This application and its source code are freely distributable.
CompanyName: VAVOO
FileDescription: VAVOO 1.0.0.0 Webinstaller
FileVersion: 1.0.0.0
LegalCopyright: The trademark is owned by VAVOO
LegalTrademarks: VAVOO
ProductName: VAVOO-Webinstaller
ProductVersion: 1.0.0.0

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 11-Dec-2016 21:50:38
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00005CEF
0x00005E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44129
.rdata
0x00007000
0x00001246
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.00503
.data
0x00009000
0x0001A7F8
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.1145
.ndata
0x00024000
0x00015000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00039000
0x00013240
0x00013400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0.770223

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.2963
1059
UNKNOWN
English - United States
RT_MANIFEST
103
1.59047
20
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.67385
512
UNKNOWN
English - United States
RT_DIALOG
106
2.91148
248
UNKNOWN
English - United States
RT_DIALOG
107
2.52183
160
UNKNOWN
English - United States
RT_DIALOG
111
2.89887
238
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
13
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start drop and start start vavoo-webinstaller-i386.exe nsff88.tmp no specs cmd.exe no specs wmic.exe no specs ns1cb.tmp no specs cmd.exe no specs findstr.exe no specs ns2c6.tmp no specs cmd.exe no specs wmic.exe no specs findstr.exe no specs iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
860cmd /Q /C "%SYSTEMROOT%\System32\wbem\wmic.exe qfe get hotfixid | %SYSTEMROOT%\System32\findstr.exe "^KB2670838[^0-9]""C:\Windows\system32\cmd.exe—ns2C6.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2396"C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns2C6.tmp" cmd /Q /C "%SYSTEMROOT%\System32\wbem\wmic.exe qfe get hotfixid | %SYSTEMROOT%\System32\findstr.exe "^KB2670838[^0-9]""C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns2C6.tmp—VAVOO-Webinstaller-i386.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1
Modules
Images
c:\users\admin\appdata\local\temp\nskff77.tmp\ns2c6.tmp
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
2412"C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\nsFF88.tmp" cmd /Q /C "%SYSTEMROOT%\System32\wbem\wmic.exe /?"C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\nsFF88.tmp—VAVOO-Webinstaller-i386.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\nskff77.tmp\nsff88.tmp
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2924cmd /Q /C "%SYSTEMROOT%\System32\wbem\wmic.exe /?"C:\Windows\system32\cmd.exe—nsFF88.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3032"C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns1CB.tmp" cmd /Q /C "%SYSTEMROOT%\System32\findstr.exe /?"C:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns1CB.tmp—VAVOO-Webinstaller-i386.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\nskff77.tmp\ns1cb.tmp
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3064"C:\Users\admin\AppData\Local\Temp\VAVOO-Webinstaller-i386.exe" C:\Users\admin\AppData\Local\Temp\VAVOO-Webinstaller-i386.exe
explorer.exe
User:
admin
Company:
VAVOO
Integrity Level:
MEDIUM
Description:
VAVOO 1.0.0.0 Webinstaller
Exit code:
2
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\vavoo-webinstaller-i386.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\shell32.dll
3120C:\Windows\System32\wbem\wmic.exe qfe get hotfixid C:\Windows\System32\wbem\WMIC.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
3152C:\Windows\System32\wbem\wmic.exe /?C:\Windows\System32\wbem\WMIC.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
3236C:\Windows\System32\findstr.exe "^KB2670838[^0-9]"C:\Windows\System32\findstr.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Find String (QGREP) Utility
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\findstr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\imm32.dll
3412"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
VAVOO-Webinstaller-i386.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1073807364
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
797
Read events
733
Write events
61
Delete events
3

Modification events

(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{20FE9301-5D7A-11E9-B3B3-5254004A04AF}
Value:
0
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
1
(PID) Process:(3412) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E307040005000C00170018002200EF01
Executable files
5
Suspicious files
2
Text files
24
Unknown types
8

Dropped files

PID
Process
Filename
Type
3412iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico —
MD5:—
SHA256:—
3412iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
3688iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\admin@microsoft[2].txt —
MD5:—
SHA256:—
3688iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\FQY7VZA9\platform-update-for-windows-7-sp1-and-windows-server-2008-r2-sp1[1].txt —
MD5:—
SHA256:—
3064VAVOO-Webinstaller-i386.exeC:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns1CB.tmpexecutable
MD5:—
SHA256:—
3688iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\FQY7VZA9\platform-update-for-windows-7-sp1-and-windows-server-2008-r2-sp1[1].htmhtml
MD5:—
SHA256:—
3688iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\index.datdat
MD5:—
SHA256:—
3064VAVOO-Webinstaller-i386.exeC:\Users\admin\AppData\Local\Temp\nskFF77.tmp\ns2C6.tmpexecutable
MD5:—
SHA256:—
3064VAVOO-Webinstaller-i386.exeC:\Users\admin\AppData\Local\Temp\nskFF77.tmp\nsFF88.tmpexecutable
MD5:—
SHA256:—
3688iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.datdat
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
13
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3688
iexplore.exe
GET
301
2.18.233.31:80
http://support.microsoft.com/kb/2670838
unknown
—
—
malicious
3412
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3688
iexplore.exe
104.111.216.162:443
mem.gfx.ms
Akamai International B.V.
NL
whitelisted
—
—
2.18.233.31:443
support.microsoft.com
Akamai International B.V.
—
whitelisted
3688
iexplore.exe
2.18.233.62:443
www.microsoft.com
Akamai International B.V.
—
whitelisted
3412
iexplore.exe
2.18.233.62:443
www.microsoft.com
Akamai International B.V.
—
whitelisted
3688
iexplore.exe
2.16.186.34:443
img-prod-cms-rt-microsoft-com.akamaized.net
Akamai International B.V.
—
whitelisted
3688
iexplore.exe
2.16.186.8:443
statics-uhf-eus.akamaized.net
Akamai International B.V.
—
whitelisted
3688
iexplore.exe
2.18.233.31:80
support.microsoft.com
Akamai International B.V.
—
whitelisted
3412
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3688
iexplore.exe
2.18.233.31:443
support.microsoft.com
Akamai International B.V.
—
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
support.microsoft.com
  • 2.18.233.31
malicious
statics-uhf-eus.akamaized.net
  • 2.16.186.8
  • 2.16.186.33
whitelisted
mem.gfx.ms
  • 104.111.216.162
whitelisted
www.microsoft.com
  • 2.18.233.62
whitelisted
img-prod-cms-rt-microsoft-com.akamaized.net
  • 2.16.186.34
  • 2.16.186.40
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
VAVOO-Webinstaller-i386.exe