Malware analysis http://support.microsoft.coom/kb/921541/ja Malicious activity

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URL:	http://support.microsoft.coom/kb/921541/ja
Full analysis:	https://app.any.run/tasks/a1e9e66f-268b-498d-b86b-36f501440873
Verdict:	Malicious activity
Analysis date:	July 17, 2019, 09:36:02
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:	6D3F7FF1432E0FEAC8DDC02CA7B923E5
SHA1:	C0FCC6EF758E11219C018069228D913B602FADE1
SHA256:	15235F4DC33AE6D5A19C00237799B4B7A88F003FE553640BEC59F1BC75064F4F
SSDEEP:	3:N1KNQVgBLIMG+trHHE9d:CCCBLIMZVk9d

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 67.0.4 (x86 en-US) (67.0.4)
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

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MALICIOUS
No malicious indicators.
SUSPICIOUS
- Executable content was dropped or overwritten
  - firefox.exe (PID: 3052)
INFO
- Reads CPU info
  - firefox.exe (PID: 3052)
- Application launched itself
  - firefox.exe (PID: 3052)
- Creates files in the user directory
  - firefox.exe (PID: 3052)

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
3052	"C:\Program Files\Mozilla Firefox\firefox.exe" "http://support.microsoft.coom/kb/921541/ja"	C:\Program Files\Mozilla Firefox\firefox.exe		explorer.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 67.0.4
4068	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3052.0.835438062\1946379323" -parentBuildID 20190619235627 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3052 "\\.\pipe\gecko-crash-server-pipe.3052" 1140 gpu	C:\Program Files\Mozilla Firefox\firefox.exe	—	firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 67.0.4
3252	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3052.3.1004813123\910900586" -childID 1 -isForBrowser -prefsHandle 1700 -prefMapHandle 1692 -prefsLen 1 -prefMapSize 188076 -parentBuildID 20190619235627 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3052 "\\.\pipe\gecko-crash-server-pipe.3052" 1708 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4
396	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3052.13.1502426773\493453740" -childID 2 -isForBrowser -prefsHandle 2708 -prefMapHandle 2712 -prefsLen 5842 -prefMapSize 188076 -parentBuildID 20190619235627 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3052 "\\.\pipe\gecko-crash-server-pipe.3052" 2728 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4
2676	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3052.20.173975547\1845222752" -childID 3 -isForBrowser -prefsHandle 3388 -prefMapHandle 3392 -prefsLen 6564 -prefMapSize 188076 -parentBuildID 20190619235627 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3052 "\\.\pipe\gecko-crash-server-pipe.3052" 3408 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4

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Total events

315

Read events

312

Write events

Delete events

Modification events


(PID) Process:	(3052) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Browser
Value: 0000000000000000
(PID) Process:	(3052) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(3052) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	SavedLegacySettings
Value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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3052	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\pluginreg.dat.tmp		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp		—
		MD5:—	SHA256:—
3052	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.bin		binary
		MD5:6A1EF5C5AE2F682A0606848FA329072B	SHA256:29312A09916820DEC3EEE29B40C503FEE9569204E291320BD9C908B3386B1896
3052	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.js		text
		MD5:D65B2BD591A1D6CC666241E6EEF1AFE7	SHA256:1B94F69A3BF3CB9F7349FE274CA82166C22D675F9B043B19F2770D044AE9BD16
3052	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flashsubdoc-digest256.sbstore		binary
		MD5:04824A1F92353F43EBB9E7F74B7476FD	SHA256:B48E58EBAB82E4C376F16150A3FFF850C1111FF1F5985D68819CFD6F0DB159D2

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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
3052	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3052	firefox.exe	POST	200	216.58.208.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3052	firefox.exe	POST	200	216.58.208.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3052	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3052	firefox.exe	GET	200	2.20.142.253:80	http://ciscobinary.openh264.org/openh264-win32-2e1774ab6dc6c43debb0b5b628bdf122a391d521.zip	unknown	compressed	479 Kb	whitelisted
3052	firefox.exe	GET	200	2.16.186.50:80	http://detectportal.firefox.com/success.txt	unknown	text	8 b	whitelisted
3052	firefox.exe	POST	200	216.58.208.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3052	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3052	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 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
3052	firefox.exe	216.58.208.35:80	ocsp.pki.goog	Google Inc.	US	whitelisted
3052	firefox.exe	2.16.186.50:80	detectportal.firefox.com	Akamai International B.V.	—	whitelisted
3052	firefox.exe	172.217.22.10:443	safebrowsing.googleapis.com	Google Inc.	US	whitelisted
3052	firefox.exe	52.26.103.165:443	tiles.services.mozilla.com	Amazon.com, Inc.	US	unknown
3052	firefox.exe	52.210.139.31:443	location.services.mozilla.com	Amazon.com, Inc.	IE	malicious
3052	firefox.exe	35.163.237.31:443	push.services.mozilla.com	Amazon.com, Inc.	US	unknown
3052	firefox.exe	52.85.184.224:443	snippets.cdn.mozilla.net	Amazon.com, Inc.	US	unknown
3052	firefox.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
3052	firefox.exe	172.217.16.206:443	redirector.gvt1.com	Google Inc.	US	whitelisted
3052	firefox.exe	74.125.155.232:443	r2---sn-p5qs7n7d.gvt1.com	Google Inc.	US	whitelisted

DNS requests

Domain	IP	Reputation
support.microsoft.coom	—	unknown
detectportal.firefox.com	2.16.186.50 2.16.186.112	whitelisted
a1089.dscd.akamai.net	2.16.186.112 2.16.186.50	whitelisted
location.services.mozilla.com	52.210.139.31 52.50.56.62 108.128.247.43	whitelisted
push.services.mozilla.com	35.163.237.31	whitelisted
autopush.prod.mozaws.net	35.163.237.31	whitelisted
snippets.cdn.mozilla.net	52.85.184.224	whitelisted
tiles.services.mozilla.com	52.26.103.165 35.166.166.56 52.25.71.236 34.213.89.114 52.26.166.58 52.27.87.181 52.34.132.219 52.35.96.157	whitelisted
tiles.r53-2.services.mozilla.com	52.35.96.157 52.34.132.219 52.27.87.181 52.26.166.58 34.213.89.114 52.25.71.236 35.166.166.56 52.26.103.165	whitelisted
drcwo519tnci7.cloudfront.net	52.85.184.224	shared

Threats

No threats detected

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No debug info

General Info

http://support.microsoft.coom/kb/921541/ja

6D3F7FF1432E0FEAC8DDC02CA7B923E5

C0FCC6EF758E11219C018069228D913B602FADE1

15235F4DC33AE6D5A19C00237799B4B7A88F003FE553640BEC59F1BC75064F4F

3:N1KNQVgBLIMG+trHHE9d:CCCBLIMZVk9d

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Reads CPU info

Application launched itself

Creates files in the user directory

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Information

Information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings