Malware analysis VolcanoUpdater.exe Malicious activity

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File name:	VolcanoUpdater.exe
Full analysis:	https://app.any.run/tasks/4d02b7fd-0221-4949-8877-27ef566c2591
Verdict:	Malicious activity
Analysis date:	July 16, 2025, 21:02:06
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	arch-scr arch-html xor-url generic themida
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (console) x86-64, for MS Windows, 14 sections
MD5:	690B0BE88351C438FF24DBC67E50AE96
SHA1:	562C1AE7E92574FE1E73B1A9734ABF9F2CEF866B
SHA256:	D7907E93B9EE8ED2AC0B4C4F5C20A961A1A0BEE0000FBBD3A57E87ECBC846899
SSDEEP:	98304:Y5dEtqUtUK7HfktQ62o7fa3/q4lODvNn2deEUdnf+XCNlmKSyF/JylQZcvBL4j+5:RjRa4O92lbK/iF

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:: 44 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 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (133.0.6943.127)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (133.0.3065.92)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (136.0)
Mozilla Maintenance Service (136.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- XORed URL has been found (YARA)
  - VolcanoUI.exe (PID: 5708)
SUSPICIOUS
- Reads the BIOS version
  - VolcanoUpdater.exe (PID: 1816)
  - VolcanoUI.exe (PID: 5708)
- Executable content was dropped or overwritten
  - VolcanoUpdater.exe (PID: 1816)
  - VolcanoUI.exe (PID: 5708)
- Reads security settings of Internet Explorer
  - VolcanoUpdater.exe (PID: 1816)
- Reads the date of Windows installation
  - VolcanoUpdater.exe (PID: 1816)
- Process drops legitimate windows executable
  - VolcanoUI.exe (PID: 5708)
INFO
- Checks supported languages
  - VolcanoUpdater.exe (PID: 1816)
  - VolcanoUI.exe (PID: 5708)
- Create files in a temporary directory
  - VolcanoUpdater.exe (PID: 1816)
  - VolcanoUI.exe (PID: 5708)
- Reads the computer name
  - VolcanoUpdater.exe (PID: 1816)
  - VolcanoUI.exe (PID: 5708)
- Process checks computer location settings
  - VolcanoUpdater.exe (PID: 1816)
- The sample compiled with english language support
  - VolcanoUI.exe (PID: 5708)
- Themida protector has been detected
  - VolcanoUI.exe (PID: 5708)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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xor-url

(PID) Process(5708) VolcanoUI.exe

Decrypted-URLs (2)https://file.volcano.wtf/versioR

https://key.vol2

No Malware configuration.

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TRiD

.exe	\|	Generic Win/DOS Executable (50)
.exe	\|	DOS Executable Generic (49.9)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2025:07:09 16:37:47+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.38
CodeSize:	801280
InitializedDataSize:	262656
UninitializedDataSize:	-
EntryPoint:	0x7e3058
OSVersion:	6
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows command line

No data.

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All screenshots are available in the full report

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Total processes

139

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1816

"C:\Users\admin\AppData\Local\Temp\VolcanoUpdater.exe"

C:\Users\admin\AppData\Local\Temp\VolcanoUpdater.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\volcanoupdater.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll

2228

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

VolcanoUpdater.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

5708

"C:\Users\admin\AppData\Local\Temp\VolcanoUI.exe"

C:\Users\admin\AppData\Local\Temp\VolcanoUI.exe

VolcanoUpdater.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\volcanoui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll

xor-url

(PID) Process(5708) VolcanoUI.exe

Decrypted-URLs (2)https://file.volcano.wtf/versioR

https://key.vol2

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Total events

1 293

Read events

1 293

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\apex-DyP6w7ZV.js		text
		MD5:EEA817DCF104C3F416EB86054E4AB065	SHA256:9E6D5B433394FC90B3A7C58514AB58C6BB49E740EF03E146928A3FD0095AEB68
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\version.txt		text
		MD5:1DC1419EF6633168D11B35145603542A	SHA256:EB9A85E89A8FDD648D786C01932438404FF906C6C8F389572ECB4315D573AFFF
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\cypher-DrQuvNYM.js		text
		MD5:EE63F453BC7BA3157DB257900B3C4815	SHA256:8620DDBCFBCA9DBD8A3D28DF6C60848432DBCEEFBE1EF7C798860F92644FDEC4
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\clojure-DTECt2xU.js		text
		MD5:CBE50C2D87AFFE61EE11FAADF2F57252	SHA256:C897D061A0F39FABC5B9204E0EA8F78FA12C37C4BE45A2749BD1119D2CBCBF68
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\cameligo-BFG1Mk7z.js		text
		MD5:E9D40B956B6BEC8A5BFFD0D94552B2F8	SHA256:CC50FE6B6738380FDC2D31D1A2FE210EA67CB19A5F6ABBF91E0AD3A08491A1E5
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\bicep-BfEKNvv3.js		text
		MD5:D57E65CA5EB6CAF649C5393DC167CB6D	SHA256:9DE9B6AD69CBF4B0D3DA56D87E5F33BF0DD5ECBB1DA2B3DEC999F6AEDA197246
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\cpp-CLLBncYj.js		text
		MD5:0F3FCC7CA8691D6CF4FF68B8347D18DD	SHA256:A5FB8F0E4EBFC61B3865C092BD6434A36D24EE6E62477D4ADD55A1D796CD88B4
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\cssMode-wuhyQlOf.js		binary
		MD5:B63088DC9449EDE74B283708F401FC0F	SHA256:019BE82D233F42BEE2CFA76DD31E3AA42D73C2F6276C7A576677BC7B005D7A38
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\csharp-dUCx_-0o.js		text
		MD5:5616EF1623A707EDDFB5641341DB735E	SHA256:DE87D1D2BDCEC69C9A9AB2CE355B9BC638BAC7E4078D303DF89DADCB85F58846
1816	VolcanoUpdater.exe	C:\Users\admin\AppData\Local\Temp\bin\page\assets\css-D3h14YRZ.js		text
		MD5:387BF345843B2BE9BA90A6FBA1DE584E	SHA256:55CD0C924635240191C8189F4A500720E61EEE267EB2093474BF686AE5820EA6

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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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
764	lsass.exe	GET	200	142.250.181.227:80	http://c.pki.goog/r/gsr1.crl	unknown	—	—	whitelisted
764	lsass.exe	GET	200	142.250.181.227:80	http://c.pki.goog/r/r4.crl	unknown	—	—	whitelisted
6756	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	23.216.77.41:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
512	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
512	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
5944	MoUsoCoreWorker.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
1268	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4916	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1816	VolcanoUpdater.exe	104.21.56.14:443	file.volcano.wtf	CLOUDFLARENET	—	malicious
764	lsass.exe	142.250.181.227:80	c.pki.goog	GOOGLE	US	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
5708	VolcanoUI.exe	104.21.56.14:443	file.volcano.wtf	CLOUDFLARENET	—	malicious
6756	svchost.exe	40.126.31.3:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6756	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	40.127.240.158 51.104.136.2 20.73.194.208	whitelisted
google.com	142.250.74.206	whitelisted
file.volcano.wtf	104.21.56.14 172.67.175.175	malicious
c.pki.goog	142.250.181.227	whitelisted
login.live.com	40.126.31.3 20.190.159.130 40.126.31.129 20.190.159.73 40.126.31.131 20.190.159.4 20.190.159.129 20.190.159.68	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
crl.microsoft.com	23.216.77.41 23.216.77.31 23.216.77.35 23.216.77.32 23.216.77.37 23.216.77.36 23.216.77.43 23.216.77.38 23.216.77.33	whitelisted
www.microsoft.com	95.101.149.131	whitelisted
slscr.update.microsoft.com	20.109.210.53	whitelisted
fe3cr.delivery.mp.microsoft.com	13.85.23.206	whitelisted

Threats

No threats detected

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Process	Message
VolcanoUI.exe	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
VolcanoUI.exe	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.

General Info

VolcanoUpdater.exe

690B0BE88351C438FF24DBC67E50AE96

562C1AE7E92574FE1E73B1A9734ABF9F2CEF866B

D7907E93B9EE8ED2AC0B4C4F5C20A961A1A0BEE0000FBBD3A57E87ECBC846899

98304:Y5dEtqUtUK7HfktQ62o7fa3/q4lODvNn2deEUdnf+XCNlmKSyF/JylQZcvBL4j+5:RjRa4O92lbK/iF

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

XORed URL has been found (YARA)

SUSPICIOUS

Reads the BIOS version

Executable content was dropped or overwritten

Reads security settings of Internet Explorer

Reads the date of Windows installation

Process drops legitimate windows executable

INFO

Checks supported languages

Create files in a temporary directory

Reads the computer name

Process checks computer location settings

The sample compiled with english language support

Themida protector has been detected

Malware configuration

xor-url

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Malware configuration

xor-url

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings