Malware analysis 67c118c43656b5551165e30d11943fd8.xlsx Malicious activity

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File name:	67c118c43656b5551165e30d11943fd8.xlsx
Full analysis:	https://app.any.run/tasks/208700c9-f128-4600-837d-aff884dec9f6
Verdict:	Malicious activity
Analysis date:	April 24, 2019, 04:03:57
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	exploit cve-2017-11882
Indicators:
MIME:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
File info:	Microsoft Excel 2007+
MD5:	67C118C43656B5551165E30D11943FD8
SHA1:	3A3F8E48F925F7C15223006BB52D97C3E6D06123
SHA256:	BFE9FD29B5954651B15B7532D5D8D15458C739FD50D5945C7788EA35CF9EB8B6
SSDEEP:	384:yRn2tTE+e8qmAXFGoWJQ2/FGkB7qu5Xb610WWi1XEJURG/BVX249zQW8exr0mis7:yn2tQ+xqmAoJrsRX190SgVGezhrksy4

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 (73.0.3683.75)
Google Update Helper (1.3.33.23)
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 65.0.2 (x86 en-US) (65.0.2)
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
- Equation Editor starts application (CVE-2017-11882)
  - EQNEDT32.EXE (PID: 1796)
SUSPICIOUS
- Executes application which crashes
  - EQNEDT32.EXE (PID: 1796)
INFO
- Reads Microsoft Office registry keys
  - EXCEL.EXE (PID: 2308)

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

.xlsx	\|	Excel Microsoft Office Open XML Format document (61.2)
.zip	\|	Open Packaging Conventions container (31.5)
.zip	\|	ZIP compressed archive (7.2)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0002
ZipCompression:	Deflated
ZipModifyDate:	2019:04:22 13:18:12
ZipCRC:	0x6096dbee
ZipCompressedSize:	405
ZipUncompressedSize:	1811
ZipFileName:	[Content_Types].xml

XMP

Creator:	-

XML

LastModifiedBy:	-
CreateDate:	2006:09:16 00:00:00Z
ModifyDate:	2019:04:08 06:19:02Z
Application:	Microsoft Excel
DocSecurity:	None
ScaleCrop:	No
HeadingPairs:	Worksheets 3
TitlesOfParts:	Sheet1 Sheet2 Sheet3
Company:	-
LinksUpToDate:	No
SharedDoc:	No
HyperlinksChanged:	No
AppVersion:	12

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1796

"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

svchost.exe

User:

admin

Company:

Design Science, Inc.

Integrity Level:

MEDIUM

Description:

Microsoft Equation Editor

Exit code:

Version:

00110900

Modules

Images
c:\program files\common files\microsoft shared\equation\eqnedt32.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\advapi32.dll

2308

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Excel

Exit code:

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\excel.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\gdi32.dll
c:\windows\system32\user32.dll

4060

"C:\Windows\system32\ntvdm.exe" -i1

C:\Windows\system32\ntvdm.exe

—

EQNEDT32.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

NTVDM.EXE

Exit code:

255

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\ntvdm.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\gdi32.dll
c:\windows\system32\lpk.dll

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Total events

569

Read events

526

Write events

Delete events

Modification events


(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	write	Name:	e{7
Value: 657B370004090000010000000000000000000000
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel
Operation:	write	Name:	MTTT
Value: 04090000968F89CD52FAD40100000000
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete value	Name:	e{7
Value: 657B370004090000010000000000000000000000
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete key	Name:
Value:
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency
Operation:	delete key	Name:
Value:
(PID) Process:	(1796) EQNEDT32.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109E60090400000000000F01FEC\Usage
Operation:	write	Name:	EquationEditorFilesIntl_1033
Value: 1318584323
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(2308) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2308	EXCEL.EXE	C:\Users\admin\AppData\Local\Temp\CVR6BD5.tmp.cvr		—
		MD5:—	SHA256:—
4060	ntvdm.exe	C:\Users\admin\AppData\Local\Temp\scs7829.tmp		—
		MD5:—	SHA256:—
4060	ntvdm.exe	C:\Users\admin\AppData\Local\Temp\scs783A.tmp		—
		MD5:—	SHA256:—
1796	EQNEDT32.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\404[1].htm		html
		MD5:—	SHA256:—
1796	EQNEDT32.EXE	C:\Users\admin\AppData\Local\Temp\thr5retf.com		html
		MD5:—	SHA256:—

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

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
1796	EQNEDT32.EXE	GET	200	204.152.118.133:80	http://daco-precision.thomaswebs.net/404.html	US	html	3.35 Kb	malicious
1796	EQNEDT32.EXE	GET	302	204.152.118.133:80	http://daco-precision.thomaswebs.net/ww/SII.png	US	html	168 b	malicious

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
1796	EQNEDT32.EXE	204.152.118.133:80	daco-precision.thomaswebs.net	ReadyTechs, LLC	US	malicious

DNS requests

Domain	IP	Reputation
daco-precision.thomaswebs.net	204.152.118.133	malicious

Threats

No threats detected

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No debug info

General Info

67c118c43656b5551165e30d11943fd8.xlsx

67C118C43656B5551165E30D11943FD8

3A3F8E48F925F7C15223006BB52D97C3E6D06123

BFE9FD29B5954651B15B7532D5D8D15458C739FD50D5945C7788EA35CF9EB8B6

384:yRn2tTE+e8qmAXFGoWJQ2/FGkB7qu5Xb610WWi1XEJURG/BVX249zQW8exr0mis7:yn2tQ+xqmAoJrsRX190SgVGezhrksy4

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Equation Editor starts application (CVE-2017-11882)

SUSPICIOUS

Executes application which crashes

INFO

Reads Microsoft Office registry keys

Malware configuration

Static information

TRiD

EXIF

ZIP

XMP

XML

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings