Malware analysis iertutil.dll No threats detected | ANY.RUN

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File name:	iertutil.dll
Full analysis:	https://app.any.run/tasks/cbc45498-a0e0-438d-9d17-bd68c7ebaee6
Verdict:	No threats detected
Analysis date:	February 15, 2019, 09:33:25
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32+ executable (DLL) (GUI) x86-64, for MS Windows
MD5:	13FE9AA29ACAEDB3DA323CE16BD2829A
SHA1:	63C7C68754046A9A615B5803FBD391A77DEE652F
SHA256:	69C0729342C6DAC41DF50548B895C50D5D577E221BCA1B4F890665CAEC1ECE1E
SSDEEP:	24576:nDZ8K2CWvKvdjqxic86IOOGQ/E7MgEBY925JOhz17Ae9Zoq2F3rl46W:nDZasj4xIFGciF19gM6e9ZFGJ5W

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.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (68.0.3440.106)
Google Update Helper (1.3.33.17)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.6.1 (4.6.01055)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
Mozilla Firefox 61.0.2 (x86 en-US) (61.0.2)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
No malicious indicators.
SUSPICIOUS
No suspicious indicators.
INFO
No info indicators.

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	Win64 Executable (generic) (58.5)
.cpl	\|	Win 9x/ME Control Panel applet (32.9)
.exe	\|	Generic Win/DOS Executable (4.2)
.exe	\|	DOS Executable Generic (4.2)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2019:01:26 01:37:45+01:00
PEType:	PE32+
LinkerVersion:	11
CodeSize:	2666496
InitializedDataSize:	235520
UninitializedDataSize:	512
EntryPoint:	0x10c0
OSVersion:	6.3
ImageVersion:	6.3
SubsystemVersion:	6.1
Subsystem:	Windows GUI
FileVersionNumber:	11.0.9600.19267
ProductVersionNumber:	11.0.9600.19267
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Dynamic link library
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Microsoft Corporation
FileDescription:	Run time utility for Internet Explorer
FileVersion:	11.00.9600.19267 (winblue_ltsb_escrow.190125-1255)
InternalName:	IeRtUtil.dll
LegalCopyright:	© Microsoft Corporation. All rights reserved.
OriginalFileName:	IeRtUtil.dll
ProductName:	Internet Explorer
ProductVersion:	11.00.9600.19267
OleSelfRegister:	-

Summary

Architecture:	IMAGE_FILE_MACHINE_AMD64
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	26-Jan-2019 00:37:45
Detected languages:	English - United States
Debug artifacts:	iertutil.pdb
CompanyName:	Microsoft Corporation
FileDescription:	Run time utility for Internet Explorer
FileVersion:	11.00.9600.19267 (winblue_ltsb_escrow.190125-1255)
InternalName:	IeRtUtil.dll
LegalCopyright:	© Microsoft Corporation. All rights reserved.
OriginalFilename:	IeRtUtil.dll
ProductName:	Internet Explorer
ProductVersion:	11.00.9600.19267
OleSelfRegister:	-

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:	0x000000F0

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_AMD64
Number of sections:	9
Time date stamp:	26-Jan-2019 00:37:45
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00F0
Characteristics:	IMAGE_FILE_DLL IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0028A808	0x0028AA00	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.15428
.wpp_sf	0x0028C000	0x0000049D	0x00000600	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	4.95432
.data	0x0028D000	0x00005B00	0x00005A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	1.11932
.pdata	0x00293000	0x0000EE14	0x0000F000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	6.04043
.idata	0x002A2000	0x00002418	0x00002600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.66628
.didat	0x002A5000	0x000003F8	0x00000400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.33099
.tls	0x002A6000	0x00000035	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
.rsrc	0x002A7000	0x00000558	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	3.08403
.reloc	0x002A8000	0x00021B30	0x00021C00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	5.37938

Resources

Title	Entropy	Size	Codepage	Language	Type
1	3.50788	988	UNKNOWN	English - United States	RT_VERSION

Imports


KERNEL32.dll
api-ms-win-downlevel-advapi32-l1-1-0.dll
api-ms-win-downlevel-advapi32-l2-1-0.dll (delay-loaded)
api-ms-win-downlevel-normaliz-l1-1-0.dll
api-ms-win-downlevel-user32-l1-1-0.dll
api-ms-win-downlevel-version-l1-1-0.dll
msvcrt.dll
ntdll.dll

Exports

Title	Ordinal	Address
IERT_DelayLoadFailureHook	9	0x00205520
CreateStringHashN	10	0x00001D20
GetIDNSettingsForIE	11	0x000043C0
IEGetFrameUtilExports	12	0x0002C750
IEGetProcessModule	13	0x0003C8D0
IEGetTabWindowExports	14	0x00030B30
IUriBuilderInternalCreateDomain	15	0x0001B830
	840	0x00222D60
ResetIDNLanguageData	22	0x00205390
ResetIEExtensibility	23	0x002103B0

No data.

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All screenshots are available in the full report

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Total processes

30

Monitored processes

1

Malicious processes

0

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

3100

"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\iertutil.dll", IERT_DelayLoadFailureHook

C:\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\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\imagehlp.dll

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Total events

0

Read events

0

Write events

0

Delete events

0

Modification events

No data

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Executable files

0

Suspicious files

0

Text files

0

Unknown types

0

Dropped files

No data

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HTTP(S) requests

0

TCP/UDP connections

0

DNS requests

0

Threats

0

HTTP requests

No HTTP requests

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

iertutil.dll

13FE9AA29ACAEDB3DA323CE16BD2829A

63C7C68754046A9A615B5803FBD391A77DEE652F

69C0729342C6DAC41DF50548B895C50D5D577E221BCA1B4F890665CAEC1ECE1E

24576:nDZ8K2CWvKvdjqxic86IOOGQ/E7MgEBY925JOhz17Ae9Zoq2F3rl46W:nDZasj4xIFGciF19gM6e9ZFGJ5W

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

INFO

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Exports

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings