Malware analysis http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/ Malicious activity

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URL:	http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/
Full analysis:	https://app.any.run/tasks/0ebea7fa-d5c4-4320-b2b1-ae138b8607bc
Verdict:	Malicious activity
Analysis date:	April 02, 2019, 06:15:50
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:	4C7ABCA5418F5DBC515E5FE448A5A95C
SHA1:	3A470DC548D1CF83EC62B24D93C6CA4C478EC274
SHA256:	0821C63F5DC35B0EDDCFA925D4D7CA0CF9109DC09074B6AAC598848FAF3355FD
SSDEEP:	3:N1KcDx8TSy2gxsfgJ0QutQofKRfktcJGrue8uLJgjUUVTjiZAfEJooKfeb:CcDaTC/gctURfXJGFgTVTjPfTGb

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
No malicious indicators.
SUSPICIOUS
No suspicious indicators.
INFO
- Creates files in the user directory
  - opera.exe (PID: 2180)

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

2180

"C:\Program Files\Opera\opera.exe" http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/

C:\Program Files\Opera\opera.exe

explorer.exe

User:

admin

Company:

Opera Software

Integrity Level:

MEDIUM

Description:

Opera Internet Browser

Exit code:

Version:

1748

Modules

Images
c:\program files\opera\opera.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\psapi.dll
c:\windows\system32\wintrust.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\rpcrt4.dll

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Total events

226

Read events

166

Write events

Delete events

Modification events


(PID) Process:	(2180) opera.exe	Key:	HKEY_CURRENT_USER\Software\Opera Software
Operation:	write	Name:	Last CommandLine v2
Value: C:\Program Files\Opera\opera.exe http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/
(PID) Process:	(2180) opera.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\sessions\opr35D2.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\opr35E3.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\opr3613.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Local\Opera\Opera\cache\sesn\opr00001.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XVXG9R4VMPOD2IEC2UZP.temp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\sessions\opr447B.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\sessions\opr5A94.tmp		—
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\operaprefs.ini		text
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Opera\Opera\opssl6.dat		binary
		MD5:—	SHA256:—
2180	opera.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\16ec093b8f51508f.customDestinations-ms		binary
		MD5:—	SHA256:—

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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
2180	opera.exe	GET	200	125.209.234.99:80	http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/	KR	html	190 b	suspicious
2180	opera.exe	GET	404	125.209.234.99:80	http://bigfile.mail.naver.com/favicon.ico	KR	—	—	suspicious
2180	opera.exe	GET	200	93.184.220.29:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTPJvUY%2Bsl%2Bj4yzQuAcL2oQno5fCgQUUWj%2FkK8CB3U8zNllZGKiErhZcjsCEAOXQPQlVpLtFek%2BmcpabOk%3D	US	der	471 b	whitelisted
2180	opera.exe	GET	200	66.225.197.197:80	http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl	US	der	543 b	whitelisted
2180	opera.exe	GET	400	185.26.182.112:80	http://sitecheck2.opera.com/?host=bigfile.mail.naver.com&hdn=qz7InaIJcg6fM9831kjuVA==	unknown	html	166 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2180	opera.exe	125.209.234.99:80	bigfile.mail.naver.com	NBP	KR	malicious
2180	opera.exe	82.145.215.40:443	certs.opera.com	Opera Software AS	—	whitelisted
2180	opera.exe	185.26.182.112:80	sitecheck2.opera.com	Opera Software AS	—	malicious
2180	opera.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
2180	opera.exe	66.225.197.197:80	crl4.digicert.com	CacheNetworks, Inc.	US	whitelisted

DNS requests

Domain	IP	Reputation
bigfile.mail.naver.com	125.209.234.99	suspicious
certs.opera.com	82.145.215.40	whitelisted
sitecheck2.opera.com	185.26.182.112 185.26.182.93 185.26.182.94 185.26.182.111	whitelisted
crl4.digicert.com	66.225.197.197	whitelisted
ocsp.digicert.com	93.184.220.29	whitelisted

Threats

No threats detected

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No debug info

General Info

http://bigfile.mail.naver.com/bigfileupload/download?fid=APYdM6w9M6m/FoujKCe9KAb9a3YZKAulKAtmKouqKAKmKwYwFxEraAglKxvlHqudp6iCFxE/FqF0K4U/MxK9Kx3CFzKlFqM/FqgdM6U/

4C7ABCA5418F5DBC515E5FE448A5A95C

3A470DC548D1CF83EC62B24D93C6CA4C478EC274

0821C63F5DC35B0EDDCFA925D4D7CA0CF9109DC09074B6AAC598848FAF3355FD

3:N1KcDx8TSy2gxsfgJ0QutQofKRfktcJGrue8uLJgjUUVTjiZAfEJooKfeb:CcDaTC/gctURfXJGFgTVTjPfTGb

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

INFO

Creates files in the user directory

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings