| File name: | RuntimeBroker.exe |
| Full analysis: | https://app.any.run/tasks/596867c2-c2ca-43fc-bab9-15fdb948b6d2 |
| 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. |
| Analysis date: | June 21, 2025, 23:14:11 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | D285698235DEA8AE7E088919FEEDEF11 |
| SHA1: | C584AB38BBE377C84AC5D817B0820C6C84C629CA |
| SHA256: | C413D08829F1DA9E20E13C2E9BE797CF8447F1041F52C48F12124AD615EA3E8E |
| SSDEEP: | 3072:EtdHLuN/Mn5B5tKPeNWPLhKvbOM9MGNCvVcdSgkMNU6PjhN+2Q821kAnsob3TzmH:Edds9a+6Pji821kYbDRFg1J9jFt80 |
MALICIOUS
QUASAR mutex has been found
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 7076)
- RuntimeBroker.exe (PID: 2212)
Changes the autorun value in the registry
- RuntimeBroker.exe (PID: 7076)
- RuntimeBroker.exe (PID: 2212)
QUASAR has been detected (YARA)
- RuntimeBroker.exe (PID: 7076)
SUSPICIOUS
Checks for external IP
- svchost.exe (PID: 2200)
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Executable content was dropped or overwritten
- RuntimeBroker.exe (PID: 2212)
Starts itself from another location
- RuntimeBroker.exe (PID: 2212)
Connects to unusual port
- RuntimeBroker.exe (PID: 7076)
There is functionality for taking screenshot (YARA)
- RuntimeBroker.exe (PID: 7076)
INFO
Checks supported languages
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Reads the machine GUID from the registry
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Reads the computer name
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Disables trace logs
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Reads the software policy settings
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
- slui.exe (PID: 1700)
Manual execution by a user
- RuntimeBroker.exe (PID: 2212)
Checks proxy server information
- RuntimeBroker.exe (PID: 3752)
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
- slui.exe (PID: 1700)
Launching a file from a Registry key
- RuntimeBroker.exe (PID: 2212)
- RuntimeBroker.exe (PID: 7076)
Creates files in the program directory
- RuntimeBroker.exe (PID: 2212)
Creates files or folders in the user directory
- RuntimeBroker.exe (PID: 7076)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 2025:03:07 15:10:02+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 270336 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x43fde |
| 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 |
Total processes
142
Monitored processes
5
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1700 | 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: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 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
| |||||||||||||||
| 2212 | "C:\Users\admin\Desktop\RuntimeBroker.exe" | C:\Users\admin\Desktop\RuntimeBroker.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.2.0.0 Modules
| |||||||||||||||
| 3752 | "C:\Users\admin\Desktop\RuntimeBroker.exe" | C:\Users\admin\Desktop\RuntimeBroker.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.2.0.0 Modules
| |||||||||||||||
| 7076 | "C:\Program Files (x86)\RB\RuntimeBroker.exe" | C:\Program Files (x86)\RB\RuntimeBroker.exe | RuntimeBroker.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Version: 1.2.0.0 Modules
| |||||||||||||||
Total events
3 931
Read events
3 915
Write events
16
Delete events
0
Modification events
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (3752) RuntimeBroker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\RuntimeBroker_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7076 | RuntimeBroker.exe | C:\Users\admin\AppData\Roaming\svchost2\06-21-2025 | binary | |
MD5:8999B5B947619D189D85BF6ED9BC4235 | SHA256:212445B6F7189993C32358A37A99CC32E6A254512659F97CA3BCF6C2CD25AEED | |||
| 2212 | RuntimeBroker.exe | C:\Program Files (x86)\RB\RuntimeBroker.exe | executable | |
MD5:D285698235DEA8AE7E088919FEEDEF11 | SHA256:C413D08829F1DA9E20E13C2E9BE797CF8447F1041F52C48F12124AD615EA3E8E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
18
TCP/UDP connections
44
DNS requests
21
Threats
16
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3752 | RuntimeBroker.exe | GET | 301 | 88.198.193.213:80 | http://telize.com/geoip | unknown | — | — | malicious |
3752 | RuntimeBroker.exe | GET | 200 | 3.33.130.190:80 | http://freegeoip.net/xml/ | unknown | — | — | shared |
3752 | RuntimeBroker.exe | GET | 200 | 104.26.12.205:80 | http://api.ipify.org/ | unknown | — | — | malicious |
1268 | svchost.exe | GET | 200 | 184.24.77.35:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2212 | RuntimeBroker.exe | GET | 301 | 88.198.193.213:80 | http://telize.com/geoip | unknown | — | — | malicious |
436 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2212 | RuntimeBroker.exe | GET | 200 | 3.33.130.190:80 | http://freegeoip.net/xml/ | unknown | — | — | shared |
2212 | RuntimeBroker.exe | GET | 200 | 104.26.12.205:80 | http://api.ipify.org/ | unknown | — | — | malicious |
7076 | RuntimeBroker.exe | GET | 301 | 88.198.193.213:80 | http://telize.com/geoip | unknown | — | — | malicious |
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 |
6356 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3752 | RuntimeBroker.exe | 88.198.193.213:80 | telize.com | Hetzner Online GmbH | DE | malicious |
3752 | RuntimeBroker.exe | 88.198.193.213:443 | telize.com | Hetzner Online GmbH | DE | malicious |
3752 | RuntimeBroker.exe | 3.33.130.190:80 | freegeoip.net | AMAZON-02 | US | shared |
3752 | RuntimeBroker.exe | 104.26.12.205:80 | api.ipify.org | CLOUDFLARENET | US | shared |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
436 | svchost.exe | 40.126.32.68:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
telize.com |
| malicious |
www.telize.com |
| malicious |
freegeoip.net |
| shared |
api.ipify.org |
| shared |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
crl.microsoft.com |
| 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) |
3752 | RuntimeBroker.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External IP Lookup by HTTP (api .ipify .org) |
3752 | RuntimeBroker.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 |
2212 | RuntimeBroker.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup api.ipify.org |
2212 | RuntimeBroker.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External IP Lookup by HTTP (api .ipify .org) |
7076 | RuntimeBroker.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External IP Lookup by HTTP (api .ipify .org) |
7076 | RuntimeBroker.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup api.ipify.org |
2200 | svchost.exe | Misc activity | ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain |
2200 | svchost.exe | Potentially Bad Traffic | ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain |