File name:

BrowserCore.exe.mui

Full analysis: https://app.any.run/tasks/fbe90474-aa3b-4af0-b66e-9c3e3440e91d
Verdict: No threats detected
Analysis date: May 13, 2018, 03:00:04
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

E786C6BCBFE09B8BA7C37E6E788A94BF

SHA1:

F4F5ED59C642FB2DDCB31108A2CCC410F6DB6DF9

SHA256:

D4B490F202045AC0898FD76803B934ACB9EE38F1D67EDF30828124B611224A47

SSDEEP:

192:qpPwu9a0XMK/q9nhoRRb4ik1KcWXNNWG+:qpPwuOoRRQKcW9NW3

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

    No malicious indicators.

  • SUSPICIOUS

    • Starts Internet Explorer

      • rundll32.exe (PID: 4000)

  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2124)

    • Creates files in the user directory

      • iexplore.exe (PID: 1144)

    • Application launched itself

      • iexplore.exe (PID: 2124)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 1144)
      • iexplore.exe (PID: 2124)

    • Dropped object may contain URL's

      • iexplore.exe (PID: 2124)
      • iexplore.exe (PID: 1144)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1144)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2124)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 0000:00:00 00:00:00
PEType: PE32
LinkerVersion: 14.1
CodeSize: -
InitializedDataSize: 15360
UninitializedDataSize: -
EntryPoint: 0x0000
OSVersion: 10
ImageVersion: 10
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 10.0.16299.15
ProductVersionNumber: 10.0.16299.15
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: BrowserCore
FileVersion: 10.0.16299.15 (WinBuild.160101.0800)
InternalName: BrowserCore.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: BrowserCore.exe.mui
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.16299.15

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Jan-1970 00:00:00
Detected languages:
  • English - United States
CompanyName: Microsoft Corporation
FileDescription: BrowserCore
FileVersion: 10.0.16299.15 (WinBuild.160101.0800)
InternalName: BrowserCore.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: BrowserCore.exe.mui
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.16299.15

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: 0x000000B8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 2
Time date stamp: 01-Jan-1970 00:00:00
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.rdata
0x00001000
0x000000B0
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.77811
.rsrc
0x00002000
0x00004000
0x00003A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.54559

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.50583
912
Latin 1 / Western European
English - United States
RT_VERSION
7
1.39874
54
Latin 1 / Western European
English - United States
RT_STRING
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
3
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe no specs iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
1144"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2124 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
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
2124"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
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
4000"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\BrowserCore.exe.muiC:\Windows\system32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
Total events
508
Read events
399
Write events
105
Delete events
4

Modification events

(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{CC41F3B7-5659-11E8-BC2F-5254004AAD21}
Value:
0
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
2
(PID) Process:(2124) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E207050000000D000300000020009002
Executable files
0
Suspicious files
6
Text files
19
Unknown types
8

Dropped files

PID
Process
Filename
Type
2124iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BCPS3ZPQ\favicon[1].ico —
MD5:—
SHA256:—
2124iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
1144iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab3E35.tmp —
MD5:—
SHA256:—
1144iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar3E36.tmp —
MD5:—
SHA256:—
1144iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\admin@bing[2].txt —
MD5:—
SHA256:—
1144iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\WF2FXMJU\search[1].txt —
MD5:—
SHA256:—
2124iexplore.exeC:\Users\admin\AppData\Local\Temp\Cab41EE.tmp —
MD5:—
SHA256:—
2124iexplore.exeC:\Users\admin\AppData\Local\Temp\Tar41EF.tmp —
MD5:—
SHA256:—
2124iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\2LKO8ICX\favicon[1].ico —
MD5:—
SHA256:—
1144iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YP7LJCLE\8df804ba[1].jstext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
12
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1144
iexplore.exe
GET
302
184.25.216.99:80
http://go.microsoft.com/fwlink/?LinkId=57426&Ext=mui
NL
—
—
whitelisted
1144
iexplore.exe
GET
301
2.16.186.27:80
http://shell.windows.com/fileassoc/fileassoc.asp?Ext=mui
unknown
—
—
whitelisted
2124
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
1144
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAiIzVJfGSRETRSlgpHeuVI%3D
US
der
471 b
whitelisted
1144
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAi4elAbvpzaLRZNPjlRv1U%3D
US
der
471 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
1144
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2124
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
1144
iexplore.exe
131.253.61.80:443
login.live.com
Microsoft Corporation
US
whitelisted
2124
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1144
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1144
iexplore.exe
184.25.216.99:80
go.microsoft.com
Akamai International B.V.
NL
whitelisted
1144
iexplore.exe
2.16.186.27:80
shell.windows.com
Akamai International B.V.
—
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
go.microsoft.com
  • 184.25.216.99
whitelisted
shell.windows.com
  • 2.16.186.27
  • 2.16.186.24
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
login.live.com
  • 131.253.61.80
  • 131.253.61.82
  • 131.253.61.86
whitelisted

Threats

No threats detected
No debug info
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Reports
BrowserCore.exe.mui