Malware analysis MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0= Malicious activity

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download:	MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=
Full analysis:	https://app.any.run/tasks/932dd897-4171-4557-b93b-659a80fd5023
Verdict:	Malicious activity
Analysis date:	July 18, 2019, 10:05:58
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/octet-stream
File info:	data
MD5:	BCFB64435134C7F4C75AB92BA6992AEE
SHA1:	71D27B61043ED4DD1F448ED0D6F8044E0A64CD04
SHA256:	D7FD2DF3121786DF6C5A4B72971C7080D7874490C16B044EEC17CBBDB7CD715B
SSDEEP:	12:Jq0gR5bsE0Dy4qqu9cnoYHFEX2do/JPLK54/w:Jq0EdL1nqu9EVSKoBPLKmo

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
- Uses RUNDLL32.EXE to load library
  - firefox.exe (PID: 1504)
INFO
- Reads CPU info
  - firefox.exe (PID: 1504)
- Manual execution by user
  - firefox.exe (PID: 1504)
- Application launched itself
  - firefox.exe (PID: 1504)
- Creates files in the user directory
  - firefox.exe (PID: 1504)

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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TRiD

.der	\|	DER encoded X509 Certificate (100)

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
3224	"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCER C:\Users\admin\AppData\Local\Temp\MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=.der	C:\Windows\system32\rundll32.exe	—	explorer.exe
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255)
1504	"C:\Program Files\Mozilla Firefox\firefox.exe"	C:\Program Files\Mozilla Firefox\firefox.exe		explorer.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 67.0.4
3524	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1504.0.1842955013\1166341475" -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" - 1504 "\\.\pipe\gecko-crash-server-pipe.1504" 1180 gpu	C:\Program Files\Mozilla Firefox\firefox.exe	—	firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 67.0.4
3584	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1504.3.1300257311\23112518" -childID 1 -isForBrowser -prefsHandle 1880 -prefMapHandle 1876 -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" - 1504 "\\.\pipe\gecko-crash-server-pipe.1504" 1716 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4
4052	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1504.13.295452220\501454567" -childID 2 -isForBrowser -prefsHandle 2644 -prefMapHandle 2648 -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" - 1504 "\\.\pipe\gecko-crash-server-pipe.1504" 2660 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4
2892	"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1504.20.1703015702\139200945" -childID 3 -isForBrowser -prefsHandle 3516 -prefMapHandle 3520 -prefsLen 6604 -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" - 1504 "\\.\pipe\gecko-crash-server-pipe.1504" 3532 tab	C:\Program Files\Mozilla Firefox\firefox.exe		firefox.exe
User: admin Company: Mozilla Corporation Integrity Level: LOW Description: Firefox Version: 67.0.4
3684	"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=	C:\Windows\system32\rundll32.exe	—	firefox.exe
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255)
2064	"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=	C:\Windows\system32\NOTEPAD.EXE	—	rundll32.exe
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255)

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Total events

1 163

Read events

1 076

Write events

Delete events

Modification events


(PID) Process:	(1504) 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:	(1504) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(1504) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	SavedLegacySettings
Value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
(PID) Process:	(1504) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(1504) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3684) rundll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:	write	Name:	LangID
Value: 0904
(PID) Process:	(3684) rundll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:	write	Name:	C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
Value: Adobe Acrobat Reader DC
(PID) Process:	(3684) rundll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:	write	Name:	C:\Windows\eHome\ehshell.exe
Value: Windows Media Center
(PID) Process:	(3684) rundll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:	write	Name:	C:\Program Files\Internet Explorer\iexplore.exe
Value: Internet Explorer
(PID) Process:	(3684) rundll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:	write	Name:	C:\Windows\system32\mspaint.exe
Value: Paint

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
1504	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\pluginreg.dat.tmp		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\allow-flashallow-digest256.pset		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\allow-flashallow-digest256.sbstore		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.pset		—
		MD5:—	SHA256:—
1504	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.sbstore		—
		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
1504	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
1504	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
1504	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
1504	firefox.exe	POST	200	172.217.16.131:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
1504	firefox.exe	GET	200	2.16.186.112:80	http://detectportal.firefox.com/success.txt	unknown	text	8 b	whitelisted
1504	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
1504	firefox.exe	GET	200	172.217.16.131:80	http://ocsp.pki.goog/GTSGIAG3/MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=	US	der	471 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
1504	firefox.exe	2.16.186.112:80	detectportal.firefox.com	Akamai International B.V.	—	whitelisted
1504	firefox.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
1504	firefox.exe	35.166.221.32:443	push.services.mozilla.com	Amazon.com, Inc.	US	unknown
1504	firefox.exe	52.50.56.62:443	location.services.mozilla.com	Amazon.com, Inc.	IE	unknown
1504	firefox.exe	35.166.166.56:443	tiles.services.mozilla.com	Amazon.com, Inc.	US	unknown
1504	firefox.exe	52.11.30.237:443	search.services.mozilla.com	Amazon.com, Inc.	US	unknown
1504	firefox.exe	99.86.118.58:443	snippets.cdn.mozilla.net	AT&T Services, Inc.	US	unknown
1504	firefox.exe	172.217.16.131:80	ocsp.pki.goog	Google Inc.	US	whitelisted
1504	firefox.exe	99.86.115.72:443	content-signature.cdn.mozilla.net	AT&T Services, Inc.	US	unknown
1504	firefox.exe	54.201.35.95:443	shavar.services.mozilla.com	Amazon.com, Inc.	US	unknown

DNS requests

Domain	IP	Reputation
detectportal.firefox.com	2.16.186.112 2.16.186.50	whitelisted
location.services.mozilla.com	52.50.56.62 52.210.139.31 108.128.247.43	whitelisted
push.services.mozilla.com	35.166.221.32	whitelisted
tiles.services.mozilla.com	35.166.166.56 52.34.132.219 52.27.87.181 34.213.89.114 52.26.103.165 52.35.96.157 52.26.166.58 52.25.71.236	whitelisted
snippets.cdn.mozilla.net	99.86.118.58	whitelisted
a1089.dscd.akamai.net	2.16.186.50 2.16.186.112	whitelisted
locprod1-elb-eu-west-1.prod.mozaws.net	108.128.247.43 52.50.56.62 52.210.139.31	whitelisted
ocsp.digicert.com	93.184.220.29	whitelisted
cs9.wac.phicdn.net	93.184.220.29	whitelisted
search.services.mozilla.com	52.11.30.237 54.190.222.97 34.215.70.240	whitelisted

Threats

No threats detected

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No debug info

General Info

MFEwTzBNMEswSTAJBgUrDgMCGgUABBT27bBjYjKBmjX2jXWgnQJKEapsrQQUd8K4UJpndnaxLcKG0IOgfqZ+uksCEDGW9XxHqfB+OzblOg+xP+0=

BCFB64435134C7F4C75AB92BA6992AEE

71D27B61043ED4DD1F448ED0D6F8044E0A64CD04

D7FD2DF3121786DF6C5A4B72971C7080D7874490C16B044EEC17CBBDB7CD715B

12:Jq0gR5bsE0Dy4qqu9cnoYHFEX2do/JPLK54/w:Jq0EdL1nqu9EVSKoBPLKmo

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Uses RUNDLL32.EXE to load library

INFO

Reads CPU info

Manual execution by user

Application launched itself

Creates files in the user directory

Malware configuration

Static information

TRiD

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

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