Malware analysis http://chek.zennolab.com/proxy.php Malicious activity

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URL:	http://chek.zennolab.com/proxy.php
Full analysis:	https://app.any.run/tasks/b1718fd2-aa9b-4587-b353-afafdaca692e
Verdict:	Malicious activity
Analysis date:	July 26, 2019, 19:04:46
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:	FA2229546DBA65810A162FD576915EB7
SHA1:	4166E8B8B6801D343648D7353CF9A3D34EA1DF09
SHA256:	C6501BFCADDD89ABE174E3B263263795967B9CC0287E4370D01F77FBB6682E1E
SSDEEP:	3:N1KdNAHLLKJESK3VXGcx:CcSvGv

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:: on
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: 3912)
INFO
- Creates files in the user directory
  - firefox.exe (PID: 3912)
- Reads CPU info
  - firefox.exe (PID: 3912)
- Dropped object may contain Bitcoin addresses
  - firefox.exe (PID: 3912)
- Application launched itself
  - firefox.exe (PID: 3912)

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

916

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.3.611554801\1308999187" -childID 1 -isForBrowser -prefsHandle 1692 -prefMapHandle 1320 -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" - 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 1708 tab

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

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

67.0.4

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

3200

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.0.2064267976\1460856969" -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" - 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 1164 gpu

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

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Exit code:

Version:

67.0.4

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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

3688

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.13.445156450\2049377316" -childID 2 -isForBrowser -prefsHandle 2640 -prefMapHandle 2392 -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" - 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 2672 tab

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

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

67.0.4

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

3912

"C:\Program Files\Mozilla Firefox\firefox.exe" "http://chek.zennolab.com/proxy.php"

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

explorer.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Exit code:

Version:

67.0.4

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

3964

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.20.740428372\670189552" -childID 3 -isForBrowser -prefsHandle 3292 -prefMapHandle 3296 -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" - 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 3548 tab

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

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

67.0.4

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

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Total events

728

Read events

725

Write events

Delete events

Modification events


(PID) Process:	(3912) 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:	(3912) firefox.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(3912) 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
3912	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\pluginreg.dat.tmp		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shm		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3561288849sdhlie.sqlite-shm		—
		MD5:—	SHA256:—
3912	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.bin		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
3912	firefox.exe	GET	200	37.1.223.41:80	http://chek.zennolab.com/proxy.php	DE	text	45 b	unknown
3912	firefox.exe	POST	200	216.58.208.99:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3912	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3912	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3912	firefox.exe	POST	200	216.58.208.99:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3912	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3912	firefox.exe	GET	200	37.1.223.41:80	http://chek.zennolab.com/favicon.ico	DE	image	1.12 Kb	unknown
3912	firefox.exe	POST	200	216.58.208.99:80	http://ocsp.pki.goog/GTSGIAG3	US	der	471 b	whitelisted
3912	firefox.exe	POST	200	93.184.220.29:80	http://ocsp.digicert.com/	US	der	471 b	whitelisted
3912	firefox.exe	GET	200	95.101.0.43:80	http://detectportal.firefox.com/success.txt	unknown	text	8 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3912	firefox.exe	37.1.223.41:80	chek.zennolab.com	Leaseweb Deutschland GmbH	DE	unknown
3912	firefox.exe	95.101.0.43:80	detectportal.firefox.com	Akamai International B.V.	—	whitelisted
3912	firefox.exe	52.210.139.31:443	location.services.mozilla.com	Amazon.com, Inc.	IE	malicious
3912	firefox.exe	52.34.88.252:443	push.services.mozilla.com	Amazon.com, Inc.	US	unknown
3912	firefox.exe	93.184.220.29:80	ocsp.digicert.com	MCI Communications Services, Inc. d/b/a Verizon Business	US	whitelisted
3912	firefox.exe	172.217.19.202:443	safebrowsing.googleapis.com	Google Inc.	US	whitelisted
3912	firefox.exe	216.58.208.99:80	ocsp.pki.goog	Google Inc.	US	whitelisted
3912	firefox.exe	35.155.164.84:443	shavar.services.mozilla.com	Amazon.com, Inc.	US	malicious
3912	firefox.exe	52.43.91.152:443	tiles.services.mozilla.com	Amazon.com, Inc.	US	unknown
3912	firefox.exe	13.225.39.58:443	snippets.cdn.mozilla.net	—	US	unknown

DNS requests

Domain	IP	Reputation
chek.zennolab.com	37.1.223.41	unknown
detectportal.firefox.com	95.101.0.43	whitelisted
location.services.mozilla.com	52.210.139.31	whitelisted
push.services.mozilla.com	52.34.88.252	whitelisted
tiles.services.mozilla.com	52.43.91.152	whitelisted
snippets.cdn.mozilla.net	13.225.39.58	whitelisted
ocsp.digicert.com	93.184.220.29	whitelisted
safebrowsing.googleapis.com	172.217.19.202	whitelisted
ocsp.pki.goog	216.58.208.99	whitelisted
dns.msftncsi.com	131.107.255.255	shared

Threats

No threats detected

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No debug info

General Info

http://chek.zennolab.com/proxy.php

FA2229546DBA65810A162FD576915EB7

4166E8B8B6801D343648D7353CF9A3D34EA1DF09

C6501BFCADDD89ABE174E3B263263795967B9CC0287E4370D01F77FBB6682E1E

3:N1KdNAHLLKJESK3VXGcx:CcSvGv

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Creates files in the user directory

Reads CPU info

Dropped object may contain Bitcoin addresses

Application launched itself

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings