Malware analysis NKS_006182019.doc Malicious activity

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File name:	NKS_006182019.doc
Full analysis:	https://app.any.run/tasks/937e03fc-f435-4e63-ac21-0ebfcf756c90
Verdict:	Malicious activity
Analysis date:	June 18, 2019, 18:03:32
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	encrypted
Indicators:
MIME:	application/encrypted
File info:	CDFV2 Encrypted
MD5:	84E0DA4B49FC99A9A08ABB78049874B5
SHA1:	FEC5915B194EB10CB6E3FD9E9B771A198524A433
SHA256:	B941BC89E58D23E8A174A0A4B55056BF75D6245E0B2AA373A52FA82A261EA51B
SSDEEP:	6144:EkhId4nVkAJ+Qlgl9sZGHNAXfTpzHSveLaR3C:FhBnj+QlCS3fRkeLx

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
- Unusual execution from Microsoft Office
  - WINWORD.EXE (PID: 2952)
- Application was dropped or rewritten from another process
  - awMiOFl.exe (PID: 3936)
SUSPICIOUS
- Creates files in the Windows directory
  - wmic.exe (PID: 3004)
  - WINWORD.EXE (PID: 2952)
- Executable content was dropped or overwritten
  - wmic.exe (PID: 3004)
INFO
- Creates files in the user directory
  - WINWORD.EXE (PID: 2952)
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2952)
- Dropped object may contain Bitcoin addresses
  - wmic.exe (PID: 3004)

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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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

2952

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\NKS_006182019.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

3004

wmic os get /format:"C:\\Windows\\Temp\\aXwZvnt48.xsl"

C:\Windows\System32\Wbem\wmic.exe

WINWORD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

WMI Commandline Utility

Exit code:

2147614729

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\wbem\wmic.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\ole32.dll
c:\windows\system32\gdi32.dll

3936

"C:\Windows\Temp\awMiOFl.exe"

C:\Windows\Temp\awMiOFl.exe

wmic.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\windows\temp\awmiofl.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\imm32.dll

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Total events

1 492

Read events

1 075

Write events

413

Delete events

Modification events


(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	x
Value: 7F782000880B0000010000000000000000000000
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	WORDFiles
Value: 1322385438
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1322385560
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1322385561
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:	write	Name:	MTTT
Value: 880B0000985C6D2D0026D50100000000
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	iy
Value: 69792000880B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2952) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	delete value	Name:	iy
Value: 69792000880B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2952) 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
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVRECDF.tmp.cvr		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF5E1F9F16C8B62922.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF94474139FB014E06.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF34670AADE54980C5.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF2BD4EC4C817FE5CC.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF54179AD9C4419ADD.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~DF24381B090469705E.TMP		—
		MD5:—	SHA256:—
2952	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
3004	wmic.exe	C:\windows\temp\awMiOFl.exe		executable
		MD5:—	SHA256:—
3004	wmic.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\servicewn[1].exe		executable
		MD5:—	SHA256:—

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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
3004	wmic.exe	49.51.12.195:443	tor2net.com	Tencent Building, Kejizhongyi Avenue	CN	suspicious

DNS requests

Domain	IP	Reputation
tor2net.com	49.51.12.195	malicious

Threats

No threats detected

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Process	Message
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...
awMiOFl.exe	Installing...

General Info

NKS_006182019.doc

84E0DA4B49FC99A9A08ABB78049874B5

FEC5915B194EB10CB6E3FD9E9B771A198524A433

B941BC89E58D23E8A174A0A4B55056BF75D6245E0B2AA373A52FA82A261EA51B

6144:EkhId4nVkAJ+Qlgl9sZGHNAXfTpzHSveLaR3C:FhBnj+QlCS3fRkeLx

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Unusual execution from Microsoft Office

Application was dropped or rewritten from another process

SUSPICIOUS

Creates files in the Windows directory

Executable content was dropped or overwritten

INFO

Creates files in the user directory

Reads Microsoft Office registry keys

Dropped object may contain Bitcoin addresses

Malware configuration

Static information

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