Malware analysis scan.01.doc Malicious activity | ANY.RUN

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File name:	scan.01.doc
Full analysis:	https://app.any.run/tasks/9d3d2215-9f49-49d6-8c28-7d9334f6674d
Verdict:	Malicious activity
Analysis date:	January 23, 2019, 06:36:53
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	exploit cve-2017-11882
Indicators:
MIME:	text/rtf
File info:	Rich Text Format data, unknown version
MD5:	C9DE90D1B067D29A673EA0DE9B36BA1E
SHA1:	15B830190CFB1442B929A19198AD905D80A8D67A
SHA256:	84276750AD6D01A700936B21073F1482025000153EF9D3E12AB23F416F5C39DB
SSDEEP:	96:um2GgOM5YnGACwplB6fKsh/8z6Qb3HoNYMFOav9s4yNK:XVgOMWnjB63/ijIYUsxK

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
- Equation Editor starts application (CVE-2017-11882)
  - EQNEDT32.EXE (PID: 3220)
- Suspicious connection from the Equation Editor
  - EQNEDT32.EXE (PID: 3220)
- Application was dropped or rewritten from another process
  - assat.exe (PID: 2380)
SUSPICIOUS
- Executable content was dropped or overwritten
  - EQNEDT32.EXE (PID: 3220)
- Creates files in the user directory
  - EQNEDT32.EXE (PID: 3220)
INFO
- Creates files in the user directory
  - WINWORD.EXE (PID: 2948)
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2948)

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)

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

2380

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

—

EQNEDT32.EXE

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\roaming\assat.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

2948

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\scan.01.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\msvcrt.dll
c:\windows\system32\advapi32.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

3220

"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\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll

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Total events

1 102

Read events

745

Write events

352

Delete events

Modification events


(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	.8%
Value: 2E382500840B0000010000000000000000000000
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	WORDFiles
Value: 1312227358
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1312227472
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1312227473
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:	write	Name:	MTTT
Value: 840B00003E420317E6B2D40100000000
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	c:%
Value: 633A2500840B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2948) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	delete value	Name:	c:%
Value: 633A2500840B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2948) 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
2948	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVR908E.tmp.cvr		—
		MD5:—	SHA256:—
2948	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$can.01.doc		pgc
		MD5:—	SHA256:—
2948	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
3220	EQNEDT32.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\oztrsl[1].exe		executable
		MD5:—	SHA256:—
3220	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@dropmybin[1].txt		text
		MD5:—	SHA256:—
3220	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\assat.exe		executable
		MD5:—	SHA256:—
3220	EQNEDT32.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.dat		dat
		MD5:D7A950FEFD60DBAA01DF2D85FEFB3862	SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A

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
3220	EQNEDT32.EXE	GET	301	104.27.151.26:80	http://files.dropmybin.me/oztrsl.exe	US	—	—	malicious

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3220	EQNEDT32.EXE	104.27.150.26:80	files.dropmybin.me	Cloudflare Inc	US	shared
3220	EQNEDT32.EXE	104.27.151.26:443	files.dropmybin.me	Cloudflare Inc	US	shared
3220	EQNEDT32.EXE	104.27.151.26:80	files.dropmybin.me	Cloudflare Inc	US	shared

DNS requests

Domain	IP	Reputation
files.dropmybin.me	104.27.150.26 104.27.151.26	malicious

Threats

No threats detected

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No debug info

General Info

scan.01.doc

C9DE90D1B067D29A673EA0DE9B36BA1E

15B830190CFB1442B929A19198AD905D80A8D67A

84276750AD6D01A700936B21073F1482025000153EF9D3E12AB23F416F5C39DB

96:um2GgOM5YnGACwplB6fKsh/8z6Qb3HoNYMFOav9s4yNK:XVgOMWnjB63/ijIYUsxK

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Equation Editor starts application (CVE-2017-11882)

Suspicious connection from the Equation Editor

Application was dropped or rewritten from another process

SUSPICIOUS

Executable content was dropped or overwritten

Creates files in the user directory

INFO

Creates files in the user directory

Reads Microsoft Office registry keys

Malware configuration

Static information

TRiD

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