Malware analysis c67625e2b5e2f01b74e854c0c1fdf0b3b4733885475fe35b80a5f4bca13eccc7 Malicious activity

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File name:	c67625e2b5e2f01b74e854c0c1fdf0b3b4733885475fe35b80a5f4bca13eccc7
Full analysis:	https://app.any.run/tasks/724fb55d-70b1-4354-a80e-37bac4ade134
Verdict:	Malicious activity
Analysis date:	April 23, 2019, 16:46:59
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	ole-embedded exploit cve-2017-11882
Indicators:
MIME:	text/rtf
File info:	Rich Text Format data, version 1, unknown character set
MD5:	392F48D32DE4CAC9949AB7ECAB393BA8
SHA1:	5F197C15BBDDCF2F77583F95BDC7E95415FC43A3
SHA256:	C67625E2B5E2F01B74E854C0C1FDF0B3B4733885475FE35B80A5F4BCA13ECCC7
SSDEEP:	6144:kxn00V3hR1lSu1jFtaCaQqvtqabYsUxMlFewIBArfWsrNbfUD/T1/D8pRwDipwgk:q00V3nLBZtUvzwaFeWD5zU14g+eia

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: 3856)
- Loads dropped or rewritten executable
  - spoolsv.exe (PID: 2088)
- Changes the autorun value in the registry
  - spoolsv.exe (PID: 2088)
- Application was dropped or rewritten from another process
  - spoolsv.exe (PID: 2088)
SUSPICIOUS
- Application launched itself
  - EQNEDT32.EXE (PID: 3856)
- Creates files in the user directory
  - EQNEDT32.EXE (PID: 2656)
- Executable content was dropped or overwritten
  - EQNEDT32.EXE (PID: 2656)
INFO
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2556)
- Creates files in the user directory
  - WINWORD.EXE (PID: 2556)

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:	admin
LastModifiedBy:	admin
CreateDate:	2017:12:07 20:30:00
ModifyDate:	2017:12:08 00:50:00
RevisionNumber:	7
TotalEditTime:	23 minutes
Pages:	1
Words:	36
Characters:	338
CharactersWithSpaces:	373
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

2088

"C:\Users\admin\AppData\Roaming\spoolsv.exe"

C:\Users\admin\AppData\Roaming\spoolsv.exe

EQNEDT32.EXE

User:

admin

Company:

McAfee, Inc.

Integrity Level:

MEDIUM

Description:

VirusScan On-Demand Scan Task Properties

Exit code:

13184

Version:

8.8.0.777

Modules

Images
c:\users\admin\appdata\roaming\spoolsv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\users\admin\appdata\roaming\vsodscpl.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\wininet.dll

2556

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\c67625e2b5e2f01b74e854c0c1fdf0b3b4733885475fe35b80a5f4bca13eccc7.rtf"

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

2656

"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\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

3116

"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\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\advapi32.dll

3856

"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\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\advapi32.dll

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Total events

1 143

Read events

746

Write events

392

Delete events

Modification events


(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	\|c:
Value: 7C633A00FC090000010000000000000000000000
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	WORDFiles
Value: 1318518814
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1318518928
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1318518929
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:	write	Name:	MTTT
Value: FC090000700BE133F4F9D40100000000
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	$e:
Value: 24653A00FC09000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2556) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	delete value	Name:	$e:
Value: 24653A00FC09000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2556) 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
2556	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVR63DC.tmp.cvr		—
		MD5:—	SHA256:—
2656	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\spoolsv.exe		executable
		MD5:—	SHA256:—
2556	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$7625e2b5e2f01b74e854c0c1fdf0b3b4733885475fe35b80a5f4bca13eccc7.rtf		pgc
		MD5:—	SHA256:—
2656	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\vsodscpl		binary
		MD5:—	SHA256:—
2556	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
2556	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\8.t		binary
		MD5:—	SHA256:—
2656	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\vsodscpl.dll		executable
		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

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	172.217.22.14:80	—	Google Inc.	US	whitelisted

DNS requests

Domain	IP	Reputation
cloud.yootypes.com	—	unknown

Threats

No threats detected

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No debug info

General Info

c67625e2b5e2f01b74e854c0c1fdf0b3b4733885475fe35b80a5f4bca13eccc7

392F48D32DE4CAC9949AB7ECAB393BA8

5F197C15BBDDCF2F77583F95BDC7E95415FC43A3

C67625E2B5E2F01B74E854C0C1FDF0B3B4733885475FE35B80A5F4BCA13ECCC7

6144:kxn00V3hR1lSu1jFtaCaQqvtqabYsUxMlFewIBArfWsrNbfUD/T1/D8pRwDipwgk:q00V3nLBZtUvzwaFeWD5zU14g+eia

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Equation Editor starts application (CVE-2017-11882)

Loads dropped or rewritten executable

Changes the autorun value in the registry

Application was dropped or rewritten from another process

SUSPICIOUS

Application launched itself

Creates files in the user directory

Executable content was dropped or overwritten

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

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings