Malware analysis https://anonfile.com/Aay0pe3bn5/Legit_exe Malicious activity

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URL:	https://anonfile.com/Aay0pe3bn5/Legit_exe
Full analysis:	https://app.any.run/tasks/8e49bdd2-3544-4097-8181-c5e2ec2129de
Verdict:	Malicious activity
Analysis date:	August 17, 2019, 14:03:13
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:	5FB4C54E7EEBE4448480EDB7BBCEE364
SHA1:	D6D39C641AAE6F0CB8E52895FDE73649E1CF93E1
SHA256:	2993DE1FE10DC0E06298F6A5EFE06839725A1219953BCCF7F0B535E62586E483
SSDEEP:	3:N8RGBHQTCQrC:2gVlQO

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

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MALICIOUS
No malicious indicators.
SUSPICIOUS
- Executable content was dropped or overwritten
  - firefox.exe (PID: 2444)
INFO
- Application launched itself
  - firefox.exe (PID: 2444)
  - firefox.exe (PID: 3548)
- Reads CPU info
  - firefox.exe (PID: 2444)
- Creates files in the user directory
  - firefox.exe (PID: 2444)

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
3548	"C:\Program Files\Mozilla Firefox\firefox.exe" "https://anonfile.com/Aay0pe3bn5/Legit_exe"	C:\Program Files\Mozilla Firefox\firefox.exe	—	explorer.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 68.0.1
2444	"C:\Program Files\Mozilla Firefox\firefox.exe" https://anonfile.com/Aay0pe3bn5/Legit_exe	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 68.0.1
3368	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2444.0.1209772159\1037568339" -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2444 "\\.\pipe\gecko-crash-server-pipe.2444" 1120 gpu	C:\Program Files\Mozilla Firefox\firefox.exe	—	firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 68.0.1
2376	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2444.3.1631032610\700455295" -childID 1 -isForBrowser -prefsHandle 1304 -prefMapHandle 1592 -prefsLen 1 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2444 "\\.\pipe\gecko-crash-server-pipe.2444" 1600 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 68.0.1
2064	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2444.13.976912827\1298184220" -childID 2 -isForBrowser -prefsHandle 2624 -prefMapHandle 2628 -prefsLen 5996 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2444 "\\.\pipe\gecko-crash-server-pipe.2444" 2640 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 68.0.1
3908	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2444.20.697727630\1870401018" -childID 3 -isForBrowser -prefsHandle 3828 -prefMapHandle 3876 -prefsLen 7129 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 2444 "\\.\pipe\gecko-crash-server-pipe.2444" 3888 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 68.0.1

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Total events

148

Read events

143

Write events

Delete events

Modification events


(PID) Process:	(3548) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Launcher
Value: BD133D3601000000
(PID) Process:	(2444) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Browser
Value: 854B403601000000
(PID) Process:	(2444) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Telemetry
Value: 1
(PID) Process:	(2444) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(2444) 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
2444	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin		—
		MD5:—	SHA256:—
2444	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js		—
		MD5:—	SHA256:—
2444	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp		—
		MD5:—	SHA256:—
2444	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp		—
		MD5:—	SHA256:—
2444	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.bin		binary
		MD5:5027177F513CDAE07DB2330E1DED5934	SHA256:0C53F16051E738287A4612F68E296238087627E594CFD6DDFA1FECC2E998328B
2444	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.bin		binary
		MD5:DE9496ACA551ADE408EF6466A11833A1	SHA256:8F9C7FDB3E0BC01024E43A8E242468FC4DD4F74C725E32A883571635203DC10A
2444	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4		jsonlz4
		MD5:6D378E0D40B6EACA22C8BCE899A1C5C1	SHA256:ADA2467B2477ACEFF837AC7820C435AD1EBBE844B2DA31C7AB9AE8D010C7A639
2444	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.js		text
		MD5:CB954B3EEF04F610AE2A9BB38D4C0C9D	SHA256:D74FA14D82D3C3F06A5F4E9D55951F468A3957836DA29512AC341096C8F4568E
2444	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.sbstore		binary
		MD5:4A1220FC03E11726F09E9981834345DB	SHA256:6AE7FC0FDBE217104F4034BF6A580A461106B50309ABCCFF6E309124DCA5EF39
2444	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flash-digest256.sbstore		binary
		MD5:0E8FE60CCD7E9B4C32589A5743A95302	SHA256:2B124D4026850A3CFFD28DBACB58AEC28F7DCD4D40BC14E52BBE96D60CE4E749

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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
2444	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	216.58.205.227:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	2.21.242.204:80	http://ocsp.int-x3.letsencrypt.org/	NL	der	527 b	whitelisted
2444	firefox.exe	POST	200	216.58.205.227:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	13.225.30.55:80	http://ocsp.sca1b.amazontrust.com/	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	13.225.30.55:80	http://ocsp.sca1b.amazontrust.com/	US	der	471 b	whitelisted
2444	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	280 b	whitelisted
2444	firefox.exe	GET	200	2.16.186.112:80	http://detectportal.firefox.com/success.txt	unknown	text	8 b	whitelisted
2444	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2444	firefox.exe	2.16.186.112:80	detectportal.firefox.com	Akamai International B.V.	—	whitelisted
2444	firefox.exe	216.58.208.40:443	www.googletagmanager.com	Google Inc.	US	whitelisted
2444	firefox.exe	172.217.23.170:443	safebrowsing.googleapis.com	Google Inc.	US	whitelisted
2444	firefox.exe	151.101.2.217:443	vjs.zencdn.net	Fastly	US	suspicious
2444	firefox.exe	216.58.205.227:80	ocsp.pki.goog	Google Inc.	US	whitelisted
2444	firefox.exe	54.191.69.20:443	tiles.services.mozilla.com	Amazon.com, Inc.	US	unknown
2444	firefox.exe	34.211.94.5:443	search.services.mozilla.com	Amazon.com, Inc.	US	unknown
2444	firefox.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
2444	firefox.exe	13.225.39.58:443	snippets.cdn.mozilla.net	—	US	unknown
2444	firefox.exe	194.32.146.61:443	anonfile.com	—	—	unknown

DNS requests

Domain	IP	Reputation
detectportal.firefox.com	2.16.186.112 2.16.186.50	whitelisted
a1089.dscd.akamai.net	2.16.186.50 2.16.186.112	whitelisted
search.services.mozilla.com	34.211.94.5 52.88.112.58 52.43.169.220	whitelisted
search.r53-2.services.mozilla.com	52.43.169.220 52.88.112.58 34.211.94.5	whitelisted
push.services.mozilla.com	52.36.229.214	whitelisted
autopush.prod.mozaws.net	52.36.229.214	whitelisted
tiles.services.mozilla.com	54.191.69.20 52.38.5.11 54.149.29.182 52.89.51.22 54.149.129.221 52.43.93.252 54.149.28.165 52.35.186.10	whitelisted
tiles.r53-2.services.mozilla.com	52.35.186.10 54.149.28.165 52.43.93.252 54.149.129.221 52.89.51.22 54.149.29.182 52.38.5.11 54.191.69.20	whitelisted
snippets.cdn.mozilla.net	13.225.39.58	whitelisted
drcwo519tnci7.cloudfront.net	13.225.39.58	shared

Threats

No threats detected

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No debug info

General Info

https://anonfile.com/Aay0pe3bn5/Legit_exe

5FB4C54E7EEBE4448480EDB7BBCEE364

D6D39C641AAE6F0CB8E52895FDE73649E1CF93E1

2993DE1FE10DC0E06298F6A5EFE06839725A1219953BCCF7F0B535E62586E483

3:N8RGBHQTCQrC:2gVlQO

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Application launched itself

Reads CPU info

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

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings