Malware analysis calc.exe Malicious activity | ANY.RUN

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File name:	calc.exe
Full analysis:	https://app.any.run/tasks/66731fcb-633f-4e33-8234-38a79adadb2b
Verdict:	Malicious activity
Analysis date:	July 31, 2025, 20:43:37
OS:	Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	F6CC2E79A3DEA7DD3F6A177FD4181AFF
SHA1:	BEC5533EF92932F05DD43DA8159BD9B8B2AD366D
SHA256:	B3589033B9C695AB1D7998FE92C5C64E3FD25D11018E45EFEAFFE513630298C6
SSDEEP:	6144:1iB87C9mZHifqsUbJ77L7Z6GsFsmsFspssEBswscsss5:1iyYgJbbsFsmsFspssEBswscsss5

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 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
- IRC has been detected (SURICATA)
  - calc.exe (PID: 3740)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - calc.exe (PID: 3736)
- Connects to unusual port
  - calc.exe (PID: 3740)
INFO
- Checks supported languages
  - calc.exe (PID: 3736)
  - calc.exe (PID: 3740)
- Reads security settings of Internet Explorer
  - calc.exe (PID: 7124)
  - OpenWith.exe (PID: 4112)
- Process checks computer location settings
  - calc.exe (PID: 3736)
- Reads the computer name
  - calc.exe (PID: 3736)
  - calc.exe (PID: 3740)
- Manual execution by a user
  - cmd.exe (PID: 6540)
- Reads the machine GUID from the registry
  - calc.exe (PID: 3740)

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

.exe	\|	Generic CIL Executable (.NET, Mono, etc.) (82.9)
.dll	\|	Win32 Dynamic Link Library (generic) (7.4)
.exe	\|	Win32 Executable (generic) (5.1)
.exe	\|	Generic Win/DOS Executable (2.2)
.exe	\|	DOS Executable Generic (2.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2097:04:25 10:00:14+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32
LinkerVersion:	48
CodeSize:	38912
InitializedDataSize:	113664
UninitializedDataSize:	-
EntryPoint:	0x2d6a
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows command line
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	MyApplication
FileVersion:	1.0.0.0
InternalName:	calc.exe
LegalCopyright:	Copyright © 2025
LegalTrademarks:	-
OriginalFileName:	calc.exe
ProductName:	MyApplication
ProductVersion:	1.0.0.0
AssemblyVersion:	1.0.0.0

No data.

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All screenshots are available in the full report

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Total processes

144

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2620

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

C:\Windows\System32\conhost.exe

—

calc.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

3736

"C:\Users\admin\Downloads\calc.exe" --sceret=1lovepizza

C:\Users\admin\Downloads\calc.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

MyApplication

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\downloads\calc.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll

3740

calc.exe --secret=1lovepizza

C:\Users\admin\Downloads\calc.exe

cmd.exe

User:

admin

Integrity Level:

MEDIUM

Description:

MyApplication

Version:

1.0.0.0

Modules

Images
c:\users\admin\downloads\calc.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\advapi32.dll

3836

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

4112

C:\WINDOWS\system32\OpenWith.exe -Embedding

C:\Windows\System32\OpenWith.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Pick an app

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\openwith.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

5084

C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\System32\rundll32.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows host process (Rundll32)

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll

6540

"C:\Windows\System32\cmd.exe"

C:\Windows\System32\cmd.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\wldp.dll

7040

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

C:\Windows\System32\conhost.exe

—

cmd.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

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

7124

"C:\WINDOWS\system32\calc.exe"

C:\Windows\SysWOW64\calc.exe

—

calc.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Calculator

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\calc.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\shell32.dll

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Total events

1 488

Read events

1 481

Write events

Delete events

Modification events


(PID) Process:	(7124) calc.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:	write	Name:	SlowContextMenuEntries
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A780390100009AD298B2EDA6DE11BA8CA68E55D895936E000000
(PID) Process:	(7124) calc.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(7124) calc.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(7124) calc.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(4112) OpenWith.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(4112) OpenWith.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(4112) OpenWith.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

No data

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
6356	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	23.48.23.185:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
2128	SIHClient.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
2128	SIHClient.exe	GET	200	69.192.161.161:80	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
1268	svchost.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
5944	MoUsoCoreWorker.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1976	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
6356	svchost.exe	20.190.160.5:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6356	svchost.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	whitelisted
1268	svchost.exe	23.48.23.185:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
1268	svchost.exe	69.192.161.161:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
5944	MoUsoCoreWorker.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.185.174	whitelisted
login.live.com	20.190.160.5 40.126.32.74 20.190.160.14 20.190.160.20 40.126.32.134 40.126.32.76 40.126.32.133 20.190.160.22	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
settings-win.data.microsoft.com	40.127.240.158 51.104.136.2 20.73.194.208	whitelisted
crl.microsoft.com	23.48.23.185 23.48.23.174 23.48.23.191 23.48.23.173 23.48.23.184 23.48.23.175 23.48.23.176 23.48.23.179 23.48.23.180	whitelisted
www.microsoft.com	69.192.161.161	whitelisted
connect.divanodivino.xyz	80.69.174.228	unknown
slscr.update.microsoft.com	74.178.76.128	whitelisted
fe3cr.delivery.mp.microsoft.com	20.242.39.171	whitelisted
self.events.data.microsoft.com	20.42.65.93	whitelisted

Threats

PID	Process	Class	Message
3740	calc.exe	Misc activity	ET CHAT IRC USER command
3740	calc.exe	Misc activity	ET CHAT IRC NICK command
3740	calc.exe	Misc activity	ET CHAT IRC PRIVMSG command
3740	calc.exe	Misc activity	ET CHAT IRC JOIN command

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No debug info

General Info

calc.exe

F6CC2E79A3DEA7DD3F6A177FD4181AFF

BEC5533EF92932F05DD43DA8159BD9B8B2AD366D

B3589033B9C695AB1D7998FE92C5C64E3FD25D11018E45EFEAFFE513630298C6

6144:1iB87C9mZHifqsUbJ77L7Z6GsFsmsFspssEBswscsss5:1iyYgJbbsFsmsFspssEBswscsss5

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

IRC has been detected (SURICATA)

SUSPICIOUS

Reads security settings of Internet Explorer

Connects to unusual port

INFO

Checks supported languages

Reads security settings of Internet Explorer

Process checks computer location settings

Reads the computer name

Manual execution by a user

Reads the machine GUID from the registry

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

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