Malware analysis c580d77722d85238ed76689a17b0205b4d980c010bef9616b8611ffba21b142e.doc Malicious activity

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File name:	c580d77722d85238ed76689a17b0205b4d980c010bef9616b8611ffba21b142e.doc
Full analysis:	https://app.any.run/tasks/c5f70ba8-778e-44e4-b313-f158d27c8288
Verdict:	Malicious activity
Analysis date:	June 12, 2019, 05:54:54
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	ole-embedded generated-doc exploit cve-2017-11882
Indicators:
MIME:	text/rtf
File info:	Rich Text Format data, version 1, unknown character set
MD5:	30528DC0C1E123DFF51F40301CC03204
SHA1:	398FB04CE9B2E30BCE932590E0B86B594C8A97EA
SHA256:	C580D77722D85238ED76689A17B0205B4D980C010BEF9616B8611FFBA21B142E
SSDEEP:	24576:0n41eIGgKYvdQkqmDtczpwCcN2DoE88zUgwan4ABtPJJbdH7uXP6syMWYKuxji4X:X

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
- Application was dropped or rewritten from another process
  - iassvcs.exe (PID: 3224)
- Changes the autorun value in the registry
  - EQNEDT32.EXE (PID: 3320)
- Equation Editor starts application (CVE-2017-11882)
  - EQNEDT32.EXE (PID: 2108)
- Loads dropped or rewritten executable
  - iassvcs.exe (PID: 3224)
SUSPICIOUS
- Executable content was dropped or overwritten
  - EQNEDT32.EXE (PID: 3320)
- Creates files in the user directory
  - EQNEDT32.EXE (PID: 3320)
  - iassvcs.exe (PID: 3224)
- Executed via COM
  - EQNEDT32.EXE (PID: 2108)
- Application launched itself
  - EQNEDT32.EXE (PID: 2108)
INFO
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 3328)
- Creates files in the user directory
  - WINWORD.EXE (PID: 3328)

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

.rtf	\|	Rich Text Format (100)

EXIF

RTF

Author:	T
LastModifiedBy:	T
CreateDate:	2018:04:23 01:01:00
ModifyDate:	2018:04:23 01:01:00
RevisionNumber:	1
TotalEditTime:	-
Pages:	1
Words:	-
Characters:	-
CharactersWithSpaces:	-
InternalVersionNumber:	32859

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

2108

"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\kernelbase.dll
c:\windows\system32\kernel32.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

3224

"C:\Users\admin\AppData\Roaming\IISWebClient\iassvcs.exe"

C:\Users\admin\AppData\Roaming\IISWebClient\iassvcs.exe

EQNEDT32.EXE

User:

admin

Company:

Symantec Corporation

Integrity Level:

MEDIUM

Description:

Symantec 802.1x Supplicant

Exit code:

Version:

11.0.4010.7

Modules

Images
c:\users\admin\appdata\roaming\iiswebclient\iassvcs.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

3320

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

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

EQNEDT32.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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll

3328

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\c580d77722d85238ed76689a17b0205b4d980c010bef9616b8611ffba21b142e.doc"

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

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Word

Exit code:

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\winword.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll

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Total events

1 438

Read events

1 084

Write events

349

Delete events

Modification events


(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	ow>
Value: 6F773E00000D0000010000000000000000000000
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	WORDFiles
Value: 1321992222
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1321992336
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1321992337
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:	write	Name:	MTTT
Value: 000D00007C08E56AE320D50100000000
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	$y>
Value: 24793E00000D000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	delete value	Name:	$y>
Value: 24793E00000D000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(3328) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3328	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVREF3F.tmp.cvr		—
		MD5:—	SHA256:—
3328	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$80d77722d85238ed76689a17b0205b4d980c010bef9616b8611ffba21b142e.doc		pgc
		MD5:—	SHA256:—
3320	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\IISWebClient\RasTls.dll		executable
		MD5:—	SHA256:—
3328	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
3328	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\e.m		binary
		MD5:—	SHA256:—
3320	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\IISWebClient\iassvcs.exe		executable
		MD5:62944E26B36B1DCACE429AE26BA66164	SHA256:F9EBF6AEB3F0FB0C29BD8F3D652476CD1FE8BD9A0C11CB15C43DE33BBCE0BF68
3320	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\IISWebClient\sqlite3.dll		executable
		MD5:FEE0B982AF421FF8C16C0187B376B086	SHA256:E342EEFB43249A3A1B62B8622F7C94FC391C0488BDAE7E1909E37CB125029F1C
3328	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\A219C5DF.wmf		wmf
		MD5:82154D73906767D7B810864B32E3EBAD	SHA256:6FD66589D2ED5D42039174EA02F331F127EFEB166E61EA3558B0EA7A2B771A77

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

No HTTP requests

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3224	iassvcs.exe	209.97.175.188:443	skylineqaz.crabdance.com	—	US	unknown

DNS requests

Domain	IP	Reputation
skylineqaz.crabdance.com	209.97.175.188	unknown

Threats

No threats detected

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Process	Message
WINWORD.EXE	ÿÿÿÿ
WINWORD.EXE	ÿÿÿÿ
WINWORD.EXE
WINWORD.EXE	Escape:
WINWORD.EXE	MathType
WINWORD.EXE
WINWORD.EXE	Escape:
WINWORD.EXE	ÿÿÿÿ
WINWORD.EXE
WINWORD.EXE	Escape:

General Info

c580d77722d85238ed76689a17b0205b4d980c010bef9616b8611ffba21b142e.doc

30528DC0C1E123DFF51F40301CC03204

398FB04CE9B2E30BCE932590E0B86B594C8A97EA

C580D77722D85238ED76689A17B0205B4D980C010BEF9616B8611FFBA21B142E

24576:0n41eIGgKYvdQkqmDtczpwCcN2DoE88zUgwan4ABtPJJbdH7uXP6syMWYKuxji4X:X

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Changes the autorun value in the registry

Equation Editor starts application (CVE-2017-11882)

Loads dropped or rewritten executable

SUSPICIOUS

Executable content was dropped or overwritten

Creates files in the user directory

Executed via COM

Application launched itself

INFO

Reads Microsoft Office registry keys

Creates files in the user directory

Malware configuration

Static information

TRiD

EXIF

RTF

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

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