Malware analysis CornerstoneFoundationRepair.zip Malicious activity

Add for printing

File name:	CornerstoneFoundationRepair.zip
Full analysis:	https://app.any.run/tasks/7d4ff7e6-e1e2-4ee2-97d4-30a25f99cd5c
Verdict:	Malicious activity
Analysis date:	October 09, 2019, 16:17:42
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract
MD5:	76B444D76A6DE07CD06AC33128864F27
SHA1:	D369C892EF73E26EFB242B48DDBED63E393CACDE
SHA256:	2AB8E35D0F586119F5F4A34319D10D472AD45501712D1AC1BE13B4C0DC0308F6
SSDEEP:	768:dzRPPRComRu4WnznZN5ubs4aIkVI3NHckihcr6yvE+dYo:dzBMpRW5IaIkV4oyEWd

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 (75.0.3770.100)
Google Update Helper (1.3.34.7)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.7.2 (4.7.03062)
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++ 2015-2019 Redistributable (x86) - 14.21.27702 (14.21.27702.2)
Microsoft Visual C++ 2019 X86 Additional Runtime - 14.21.27702 (14.21.27702)
Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.21.27702 (14.21.27702)
Mozilla Firefox 68.0.1 (x86 en-US) (68.0.1)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
Update for Microsoft .NET Framework 4.7.2 (KB4087364) (1)
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
KB4019990
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

Add for printing

MALICIOUS
- Executes scripts
  - WINWORD.EXE (PID: 2508)
- Unusual execution from Microsoft Office
  - WINWORD.EXE (PID: 2508)
SUSPICIOUS
- Creates files in the Windows directory
  - WINWORD.EXE (PID: 2508)
- Starts Microsoft Office Application
  - WinRAR.exe (PID: 3044)
INFO
- Creates files in the user directory
  - WINWORD.EXE (PID: 2508)
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2508)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Add for printing

No Malware configuration.

Add for printing

TRiD

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0009
ZipCompression:	Deflated
ZipModifyDate:	2019:10:09 12:08:25
ZipCRC:	0xdacbbe19
ZipCompressedSize:	40367
ZipUncompressedSize:	72704
ZipFileName:	info_10_09.doc

No data.

Add for printing

All screenshots are available in the full report

Add for printing

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

2508

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\Rar$DIb3044.38768\info_10_09.doc"

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

—

WinRAR.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

3044

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\CornerstoneFoundationRepair.zip"

C:\Program Files\WinRAR\WinRAR.exe

—

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.60.0

Modules

Images
c:\program files\winrar\winrar.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\comdlg32.dll

3604

"C:\Windows\System32\WScript.exe" "C:\Windows\Temp\ndllnnelcc.js"

C:\Windows\System32\WScript.exe

WINWORD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft ® Windows Based Script Host

Exit code:

Version:

5.8.7600.16385

Modules

Images
c:\windows\system32\wscript.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\user32.dll
c:\windows\system32\gdi32.dll

Add for printing

Total events

1 725

Read events

1 271

Write events

440

Delete events

Modification events


(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\CornerstoneFoundationRepair.zip
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(2508) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	ou;
Value: 6F753B00CC090000010000000000000000000000
(PID) Process:	(3044) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:	write	Name:	ShowPassword
Value: 0

Add for printing

Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2508	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVR39CF.tmp.cvr		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Cab5ECB.tmp		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Tar5ECC.tmp		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Cab5EED.tmp		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Tar5EEE.tmp		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Cab5F6C.tmp		—
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\Local\Temp\Tar5F6D.tmp		—
		MD5:—	SHA256:—
2508	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
3604	WScript.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015		binary
		MD5:—	SHA256:—
3044	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DIb3044.38768\info_10_09.doc		document
		MD5:—	SHA256:—

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

Add for printing

HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3604	WScript.exe	GET	200	67.26.83.254:80	http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab	US	compressed	57.0 Kb	whitelisted
3604	WScript.exe	GET	200	67.26.83.254:80	http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/F9B5B632455F9CBEEC575F80DCE96E2CC7B278B7.crt	US	der	848 b	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3604	WScript.exe	104.64.21.50:443	www.trendmicro.com	Akamai Technologies, Inc.	US	unknown
3604	WScript.exe	95.101.177.126:443	docs.microsoft.com	Akamai Technologies, Inc.	—	whitelisted
—	—	67.26.83.254:80	www.download.windowsupdate.com	Level 3 Communications, Inc.	US	malicious

DNS requests

Domain	IP	Reputation
docs.microsoft.com	95.101.177.126	whitelisted
www.trendmicro.com	104.64.21.50	whitelisted
www.download.windowsupdate.com	67.26.83.254 8.248.129.254 8.248.115.254 8.253.207.121 8.241.123.126	whitelisted

Threats

No threats detected

Add for printing

No debug info

General Info

CornerstoneFoundationRepair.zip

76B444D76A6DE07CD06AC33128864F27

D369C892EF73E26EFB242B48DDBED63E393CACDE

2AB8E35D0F586119F5F4A34319D10D472AD45501712D1AC1BE13B4C0DC0308F6

768:dzRPPRComRu4WnznZN5ubs4aIkVI3NHckihcr6yvE+dYo:dzBMpRW5IaIkV4oyEWd

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Executes scripts

Unusual execution from Microsoft Office

SUSPICIOUS

Creates files in the Windows directory

Starts Microsoft Office Application

INFO

Creates files in the user directory

Reads Microsoft Office registry keys

Malware configuration

Static information

TRiD

EXIF

ZIP

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