Malware analysis https://www.dropbox.com/l/scl/AAAmgcS6tpfSoNScYnZ1N1BB3QmU2p5Arw8 Malicious activity

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URL:	https://www.dropbox.com/l/scl/AAAmgcS6tpfSoNScYnZ1N1BB3QmU2p5Arw8
Full analysis:	https://app.any.run/tasks/7057ae3c-78c5-440c-a166-8003b3fbb79b
Verdict:	Malicious activity
Analysis date:	June 19, 2019, 11:25:28
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:	1E833989B8FEAC868F10AABA879E233B
SHA1:	A2F9B5C5173B9ECD9865D2851231B098F878833C
SHA256:	8D4D2774C5E19C20C92F42CDB840B3C9FF75C6031B738386E1BF0949D60981B0
SSDEEP:	3:N8DSLcVHG7KWegoVD2wqlVxCd:2OLHO/XZq5e

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:: 300 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 240 seconds
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
- Creates files in the program directory
  - firefox.exe (PID: 3660)
INFO
- Reads CPU info
  - firefox.exe (PID: 3660)
- Application launched itself
  - firefox.exe (PID: 3660)
- Dropped object may contain Bitcoin addresses
  - firefox.exe (PID: 3660)
- Creates files in the user directory
  - firefox.exe (PID: 3660)
- Manual execution by user
  - explorer.exe (PID: 1476)
- Reads settings of System Certificates
  - firefox.exe (PID: 3660)

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

3660

"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.dropbox.com/l/scl/AAAmgcS6tpfSoNScYnZ1N1BB3QmU2p5Arw8

C:\Program Files\Mozilla Firefox\firefox.exe

explorer.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Version:

65.0.2

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll

3700

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3660.0.84789634\1491389032" -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - "C:\Users\admin\AppData\LocalLow\Mozilla\Temp-{ce348e4c-7d33-445e-89f9-60108c51bcaf}" 3660 "\\.\pipe\gecko-crash-server-pipe.3660" 1120 gpu

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Version:

65.0.2

2348

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3660.6.746074363\1995306759" -childID 1 -isForBrowser -prefsHandle 1724 -prefMapHandle 1712 -prefsLen 1 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3660 "\\.\pipe\gecko-crash-server-pipe.3660" 1316 tab

C:\Program Files\Mozilla Firefox\firefox.exe

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Version:

65.0.2

2848

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3660.13.848345655\1286249030" -childID 2 -isForBrowser -prefsHandle 2652 -prefMapHandle 2656 -prefsLen 216 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3660 "\\.\pipe\gecko-crash-server-pipe.3660" 2668 tab

C:\Program Files\Mozilla Firefox\firefox.exe

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Version:

65.0.2

3224

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3660.20.304742757\199645836" -childID 3 -isForBrowser -prefsHandle 3544 -prefMapHandle 3576 -prefsLen 5824 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 3660 "\\.\pipe\gecko-crash-server-pipe.3660" 3072 tab

C:\Program Files\Mozilla Firefox\firefox.exe

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Version:

65.0.2

1476

"C:\Windows\explorer.exe"

C:\Windows\explorer.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

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Total events

747

Read events

735

Write events

Delete events

Modification events


(PID) Process:	(3660) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(3660) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	SavedLegacySettings
Value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
(PID) Process:	(3660) firefox.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

725

Text files

Unknown types

149

Dropped files

PID	Process	Filename		Type
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin		—
		MD5:—	SHA256:—
3660	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm		—
		MD5:—	SHA256:—
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\cache2\trash30614		—
		MD5:—	SHA256:—
3660	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js		—
		MD5:—	SHA256:—
3660	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp		—
		MD5:—	SHA256:—
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.bin		binary
		MD5:6C32CB3FD01869207E7AAE8B28598F29	SHA256:4F8ECF8007F6CC603991256AACF38224ADBA7D0A16685706072D1AADC0604303
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\cache2\entries\65CBC80204190EAD21A2B160176A9D0CCD3F1CF2		der
		MD5:A20F52CF97A5583CF35ED7D6F6EA3D9A	SHA256:27A8F03A124C9CD0CF0AC80EF7AA257637FB735398308969890AB39C7477EF42
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\cache2\entries\B7072BA259605AC2ECCD90D09AEA13D2BC63D5E1		der
		MD5:54C7F7C8A0D220D51ADCA2EEEFE7F62B	SHA256:D86E805A29F3058444A261FC8F11ED05292C4B20FBFD357EB619362F7E1775E4
3660	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.bin		binary
		MD5:82F61C08D68502377826CA7EA054CEA7	SHA256:85801BCE5D7CE3A2ABC14E3208151AC9D324A6EA82FB2ADA1D10BAA8EF58E7DF
3660	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

233

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3660	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	104.41.179.244:80	http://ocsp.cybertrust.ne.jp/OcspServer	JP	der	1.43 Kb	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3660	firefox.exe	POST	200	216.58.207.35:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3660	firefox.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
3660	firefox.exe	35.244.181.201:443	aus5.mozilla.org	—	US	suspicious
3660	firefox.exe	2.16.186.50:80	detectportal.firefox.com	Akamai International B.V.	—	whitelisted
3660	firefox.exe	162.125.248.1:443	dropbox.com	Dropbox, Inc.	US	shared
3660	firefox.exe	99.86.92.59:443	snippets.cdn.mozilla.net	AT&T Services, Inc.	US	unknown
3660	firefox.exe	162.125.66.1:443	www.dropbox.com	Dropbox, Inc.	DE	shared
3660	firefox.exe	172.217.21.202:443	safebrowsing.googleapis.com	Google Inc.	US	whitelisted
3660	firefox.exe	34.215.70.240:443	search.services.mozilla.com	Amazon.com, Inc.	US	unknown
3660	firefox.exe	104.16.99.29:443	cfl.dropboxstatic.com	Cloudflare Inc	US	shared
3660	firefox.exe	34.208.138.0:443	tiles.services.mozilla.com	Amazon.com, Inc.	US	malicious

DNS requests

Domain	IP	Reputation
detectportal.firefox.com	2.16.186.50 2.16.186.112	whitelisted
www.dropbox.com	162.125.66.1 162.125.65.1	shared
aus5.mozilla.org	35.244.181.201	whitelisted
balrog-aus5.r53-2.services.mozilla.com	35.244.181.201	whitelisted
www.dropbox-dns.com	162.125.66.1	whitelisted
a1089.dscd.akamai.net	2.16.186.112 2.16.186.50	whitelisted
ocsp.digicert.com	93.184.220.29	whitelisted
cs9.wac.phicdn.net	93.184.220.29	whitelisted
search.services.mozilla.com	34.215.70.240 52.11.30.237 54.190.222.97	whitelisted
search.r53-2.services.mozilla.com	54.190.222.97 52.11.30.237 34.215.70.240	whitelisted

Threats

PID	Process	Class	Message
3660	firefox.exe	Potential Corporate Privacy Violation	ET POLICY Dropbox.com Offsite File Backup in Use

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No debug info

General Info

https://www.dropbox.com/l/scl/AAAmgcS6tpfSoNScYnZ1N1BB3QmU2p5Arw8

1E833989B8FEAC868F10AABA879E233B

A2F9B5C5173B9ECD9865D2851231B098F878833C

8D4D2774C5E19C20C92F42CDB840B3C9FF75C6031B738386E1BF0949D60981B0

3:N8DSLcVHG7KWegoVD2wqlVxCd:2OLHO/XZq5e

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Creates files in the program directory

INFO

Reads CPU info

Application launched itself

Dropped object may contain Bitcoin addresses

Creates files in the user directory

Manual execution by user

Reads settings of System Certificates

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Information

Information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings