Malware analysis RuntimeBroker.exe Malicious activity

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File name:	RuntimeBroker.exe
Full analysis:	https://app.any.run/tasks/1aa0ba02-062c-49b6-bd8a-13ac11964836
Verdict:	Malicious activity
Analysis date:	May 18, 2025, 06:03:23
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	crypto-regex
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	8005A7FFB6A45200F044110F9938DA50
SHA1:	6B90906308503A56C9135857974CB3510210C15C
SHA256:	66CFDBD2894E64F16F15D531C3A2B7B49A9FEC0BCD2A2698B0149704F20C2BD5
SSDEEP:	49152:osGnzpJywQLi4OPLh9cy5Fbze8n4KnAiv0WUkiZyJOLK7JsW7MaIpVJZPh7VgOSM:HwT4OP19cyFbLn4MAiKpyJ8K7SWYaoVX

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:: 240 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 180 seconds
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 (122.0.6261.70)
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 (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
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) (123.0)
Mozilla Maintenance Service (123.0)
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)
Skype version 8.104 (8.104)
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
- Changes the autorun value in the registry
  - RuntimeBroker.exe (PID: 5204)
  - RuntimeBroker.exe (PID: 6404)
SUSPICIOUS
- Executable content was dropped or overwritten
  - RuntimeBroker.exe (PID: 5204)
- Starts itself from another location
  - RuntimeBroker.exe (PID: 5204)
- Found regular expressions for crypto-addresses (YARA)
  - RuntimeBroker.exe (PID: 6404)
- Potential Corporate Privacy Violation
  - svchost.exe (PID: 2196)
- There is functionality for taking screenshot (YARA)
  - RuntimeBroker.exe (PID: 6404)
- Connects to unusual port
  - RuntimeBroker.exe (PID: 6404)
INFO
- Reads the computer name
  - RuntimeBroker.exe (PID: 5204)
  - RuntimeBroker.exe (PID: 6404)
- Creates files or folders in the user directory
  - RuntimeBroker.exe (PID: 5204)
- Checks supported languages
  - RuntimeBroker.exe (PID: 5204)
  - RuntimeBroker.exe (PID: 6404)
- Reads the machine GUID from the registry
  - RuntimeBroker.exe (PID: 5204)
  - RuntimeBroker.exe (PID: 6404)
- Reads Environment values
  - RuntimeBroker.exe (PID: 5204)
  - RuntimeBroker.exe (PID: 6404)

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.) (56.7)
.exe	\|	Win64 Executable (generic) (21.3)
.scr	\|	Windows screen saver (10.1)
.dll	\|	Win32 Dynamic Link Library (generic) (5)
.exe	\|	Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2086:03:13 23:40:41+00:00
ImageFileCharacteristics:	Executable, Large address aware, 32-bit
PEType:	PE32
LinkerVersion:	48
CodeSize:	1620480
InitializedDataSize:	3584
UninitializedDataSize:	-
EntryPoint:	0x18d93e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	1.6.0.0
ProductVersionNumber:	1.6.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	-
FileVersion:	1.6.0
InternalName:	Client.exe
LegalCopyright:	-
LegalTrademarks:	-
OriginalFileName:	Client.exe
ProductName:	-
ProductVersion:	1.6.0
AssemblyVersion:	1.6.0.0

No data.

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All screenshots are available in the full report

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Total processes

130

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2196

C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache

C:\Windows\System32\svchost.exe

services.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll

3020

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

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.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\oleaut32.dll

3332

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

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

5204

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

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

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Version:

1.6.0

Modules

Images
c:\users\admin\appdata\local\temp\runtimebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

6404

"C:\Users\admin\AppData\Roaming\SubDir\RuntimeBroker.exe"

C:\Users\admin\AppData\Roaming\SubDir\RuntimeBroker.exe

RuntimeBroker.exe

User:

admin

Integrity Level:

MEDIUM

Version:

1.6.0

Modules

Images
c:\users\admin\appdata\roaming\subdir\runtimebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

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Total events

1 119

Read events

1 117

Write events

Delete events

Modification events


(PID) Process:	(5204) RuntimeBroker.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	RuntimeBroker
Value: "C:\Users\admin\AppData\Roaming\SubDir\RuntimeBroker.exe"
(PID) Process:	(6404) RuntimeBroker.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	RuntimeBroker
Value: "C:\Users\admin\AppData\Roaming\SubDir\RuntimeBroker.exe"

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
5204	RuntimeBroker.exe	C:\Users\admin\AppData\Roaming\SubDir\RuntimeBroker.exe		executable
		MD5:8005A7FFB6A45200F044110F9938DA50	SHA256:66CFDBD2894E64F16F15D531C3A2B7B49A9FEC0BCD2A2698B0149704F20C2BD5

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
—	—	GET	200	23.216.77.6:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
2236	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
2236	SIHClient.exe	GET	200	184.30.21.171:80	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
4	System	192.168.100.255:137	—	—	—	whitelisted
2104	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	23.216.77.6:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
6404	RuntimeBroker.exe	193.161.193.99:4782	WHHAHAHAAHATHHATHTHTA-64580.portmap.io	OOO Bitree Networks	RU	malicious
3216	svchost.exe	172.211.123.249:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.160.3:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 20.73.194.208	whitelisted
crl.microsoft.com	23.216.77.6 23.216.77.18 23.216.77.30 23.216.77.41 23.216.77.28 23.216.77.22	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
google.com	216.58.206.46	whitelisted
WHHAHAHAAHATHHATHTHTA-64580.portmap.io	193.161.193.99	malicious
client.wns.windows.com	172.211.123.249	whitelisted
login.live.com	20.190.160.3 40.126.32.133 20.190.160.130 20.190.160.20 20.190.160.67 20.190.160.4 40.126.32.74 40.126.32.134	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
slscr.update.microsoft.com	52.149.20.212	whitelisted
fe3cr.delivery.mp.microsoft.com	52.165.164.15	whitelisted

Threats

PID	Process	Class	Message
2196	svchost.exe	Potential Corporate Privacy Violation	ET INFO DNS Query to a Reverse Proxy Service Observed
2196	svchost.exe	Misc activity	ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .io)

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No debug info

General Info

RuntimeBroker.exe

8005A7FFB6A45200F044110F9938DA50

6B90906308503A56C9135857974CB3510210C15C

66CFDBD2894E64F16F15D531C3A2B7B49A9FEC0BCD2A2698B0149704F20C2BD5

49152:osGnzpJywQLi4OPLh9cy5Fbze8n4KnAiv0WUkiZyJOLK7JsW7MaIpVJZPh7VgOSM:HwT4OP19cyFbLn4MAiKpyJ8K7SWYaoVX

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

SUSPICIOUS

Executable content was dropped or overwritten

Starts itself from another location

Found regular expressions for crypto-addresses (YARA)

Potential Corporate Privacy Violation

There is functionality for taking screenshot (YARA)

Connects to unusual port

INFO

Reads the computer name

Creates files or folders in the user directory

Checks supported languages

Reads the machine GUID from the registry

Reads Environment values

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings