Malware analysis RuntimeBroker2.exe Malicious activity

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File name:	RuntimeBroker2.exe
Full analysis:	https://app.any.run/tasks/c26bb69c-ac56-418d-8fc1-e673fab26b8d
Verdict:	Malicious activity
Threats:	Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. Malware Trends Tracker >>>
Analysis date:	June 21, 2025, 23:51:31
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	evasion quasar rat
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	BF99AB92032C4DE479E7015F60604389
SHA1:	846F8F4266E2F3200F8203D8C58B52514081A277
SHA256:	BDBCA7F0EAF017356859B1DF339EBB738B59CF0F1AF0FFB6E1D6A65277C2C4E0
SSDEEP:	3072:TtdHLuN/Mn5B5tKPeNWPLhKvbOM9MGNCvVcdSgJpfoNZjn3PMSNSbk/sO9bclZNm:Jdds9ajoNZj3VSbMj9b2CylOkk88

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:: 120 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 60 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 (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
- QUASAR mutex has been found
  - RuntimeBroker2.exe (PID: 2952)
SUSPICIOUS
- Checks for external IP
  - svchost.exe (PID: 2200)
  - RuntimeBroker2.exe (PID: 2952)
INFO
- Reads the machine GUID from the registry
  - RuntimeBroker2.exe (PID: 2952)
- Checks supported languages
  - RuntimeBroker2.exe (PID: 2952)
- Disables trace logs
  - RuntimeBroker2.exe (PID: 2952)
- Reads the computer name
  - RuntimeBroker2.exe (PID: 2952)
- Reads the software policy settings
  - RuntimeBroker2.exe (PID: 2952)
  - slui.exe (PID: 1204)
- Checks proxy server information
  - RuntimeBroker2.exe (PID: 2952)
  - slui.exe (PID: 1204)

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:	2025:05:08 10:40:38+00:00
ImageFileCharacteristics:	Executable, 32-bit
PEType:	PE32
LinkerVersion:	8
CodeSize:	270848
InitializedDataSize:	3072
UninitializedDataSize:	-
EntryPoint:	0x4407e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.2.0.0
ProductVersionNumber:	1.2.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
FileDescription:
FileVersion:	1.2.0.0
InternalName:	Client.exe
LegalCopyright:
OriginalFileName:	Client.exe
ProductVersion:	1.2.0.0
AssemblyVersion:	1.2.0.0

No data.

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All screenshots are available in the full report

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Total processes

137

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1204

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

Exit code:

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

2200

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

2952

"C:\Users\admin\Desktop\RuntimeBroker2.exe"

C:\Users\admin\Desktop\RuntimeBroker2.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Exit code:

Version:

1.2.0.0

Modules

Images
c:\users\admin\desktop\runtimebroker2.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

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Total events

1 820

Read events

1 806

Write events

Delete events

Modification events


(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	FileTracingMask
Value:
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value:
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASMANCS
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(2952) RuntimeBroker2.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker2_RASMANCS
Operation:	write	Name:	EnableConsoleTracing
Value: 0

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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
2952	RuntimeBroker2.exe	GET	301	88.198.193.213:80	http://telize.com/geoip	unknown	—	—	malicious
2952	RuntimeBroker2.exe	GET	200	3.33.130.190:80	http://freegeoip.net/xml/	unknown	—	—	shared
2952	RuntimeBroker2.exe	GET	200	104.26.12.205:80	http://api.ipify.org/	unknown	—	—	malicious
7008	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
5944	MoUsoCoreWorker.exe	GET	200	184.24.77.12:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5944	MoUsoCoreWorker.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
2980	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
2980	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
2940	svchost.exe	GET	200	23.209.209.135:80	http://x1.c.lencr.org/	unknown	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
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
5372	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1268	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
2952	RuntimeBroker2.exe	88.198.193.213:80	telize.com	Hetzner Online GmbH	DE	malicious
2952	RuntimeBroker2.exe	88.198.193.213:443	telize.com	Hetzner Online GmbH	DE	malicious
2952	RuntimeBroker2.exe	3.33.130.190:80	freegeoip.net	AMAZON-02	US	shared
2952	RuntimeBroker2.exe	104.26.12.205:80	api.ipify.org	CLOUDFLARENET	US	shared
7008	svchost.exe	20.190.159.73:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.74.206	whitelisted
telize.com	88.198.193.213	malicious
www.telize.com	88.198.193.213	malicious
freegeoip.net	3.33.130.190 15.197.148.33	shared
api.ipify.org	104.26.12.205 104.26.13.205 172.67.74.152	shared
login.live.com	20.190.159.73 20.190.159.2 40.126.31.71 20.190.159.130 20.190.159.64 40.126.31.128 40.126.31.69 20.190.159.131	whitelisted
ocsp.digicert.com	2.23.77.188	whitelisted
client.wns.windows.com	172.211.123.248	whitelisted
nexusrules.officeapps.live.com	52.111.229.48	whitelisted
settings-win.data.microsoft.com	40.127.240.158	whitelisted

Threats

PID	Process	Class	Message
2200	svchost.exe	Device Retrieving External IP Address Detected	ET INFO External IP Lookup Domain (freegeiop .net in DNS lookup)
2952	RuntimeBroker2.exe	Device Retrieving External IP Address Detected	POLICY [ANY.RUN] External IP Lookup by HTTP (api .ipify .org)
2952	RuntimeBroker2.exe	Device Retrieving External IP Address Detected	ET INFO External IP Lookup api.ipify.org
2200	svchost.exe	Misc activity	ET INFO External IP Lookup Domain (ipify .org) in DNS Lookup
2952	RuntimeBroker2.exe	Device Retrieving External IP Address Detected	SUSPICIOUS [ANY.RUN] An IP address was received from the server as a result of an HTTP request

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No debug info

General Info

RuntimeBroker2.exe

BF99AB92032C4DE479E7015F60604389

846F8F4266E2F3200F8203D8C58B52514081A277

BDBCA7F0EAF017356859B1DF339EBB738B59CF0F1AF0FFB6E1D6A65277C2C4E0

3072:TtdHLuN/Mn5B5tKPeNWPLhKvbOM9MGNCvVcdSgJpfoNZjn3PMSNSbk/sO9bclZNm:Jdds9ajoNZj3VSbMj9b2CylOkk88

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

QUASAR mutex has been found

SUSPICIOUS

Checks for external IP

INFO

Reads the machine GUID from the registry

Checks supported languages

Disables trace logs

Reads the computer name

Reads the software policy settings

Checks proxy server information

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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