| File name: | payload.exe |
| Full analysis: | https://app.any.run/tasks/bf18c6ab-b9f0-49a3-b53a-73bae47818c7 |
| 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: | August 01, 2025, 05:16:35 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | F8205A0C3B65706C0E8E48DC2CC1D4D4 |
| SHA1: | 5422834068B65587F477A7E1D0614A5872574B34 |
| SHA256: | 5F68735A7D48D655E7C174A918AFBB4E7D47757BCDEA87A7A59775C1947EEAA8 |
| SSDEEP: | 12288:m+AxOpmVDLI7pgBOaYe+CQVYWld6RPEXinm6TluadnN7S/4RtmbD7OazLf4cB+Ry:dv5WZU34dtXrIu |
MALICIOUS
QUASAR mutex has been found
- payload.exe (PID: 32)
QUASAR has been detected (YARA)
- payload.exe (PID: 32)
SUSPICIOUS
Checks for external IP
- payload.exe (PID: 32)
Connects to unusual port
- payload.exe (PID: 32)
Possibly patching Antimalware Scan Interface function (YARA)
- payload.exe (PID: 32)
There is functionality for taking screenshot (YARA)
- payload.exe (PID: 32)
INFO
Reads the computer name
- payload.exe (PID: 32)
Checks supported languages
- payload.exe (PID: 32)
Disables trace logs
- payload.exe (PID: 32)
Checks proxy server information
- payload.exe (PID: 32)
Reads the machine GUID from the registry
- payload.exe (PID: 32)
Creates files or folders in the user directory
- payload.exe (PID: 32)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Quasar
(PID) Process(32) payload.exe
Version1.3.0.0
C2 (2)win2325.webredirect.org:5552
Sub_Dirup
Install_Nameupdate.exe
MutexQSR_MUTEX_EOUYwCNZvcVgWUvKae
Startupupdate
TagBuild1
LogDirLogsi
Signature
Certificate
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: | 2041:05:17 01:57:03+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 954368 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xeaf7e |
| 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: | ConsoleApp1 |
| FileVersion: | 1.0.0.0 |
| InternalName: | ConsoleApp1.exe |
| LegalCopyright: | Copyright © 2025 |
| LegalTrademarks: | - |
| OriginalFileName: | ConsoleApp1.exe |
| ProductName: | ConsoleApp1 |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
138
Monitored processes
3
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 32 | "C:\Users\admin\AppData\Local\Temp\payload.exe" | C:\Users\admin\AppData\Local\Temp\payload.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: ConsoleApp1 Version: 1.0.0.0 Modules
Quasar(PID) Process(32) payload.exe Version1.3.0.0 C2 (2)win2325.webredirect.org:5552 Sub_Dirup Install_Nameupdate.exe MutexQSR_MUTEX_EOUYwCNZvcVgWUvKae Startupupdate TagBuild1 LogDirLogsi Signature Certificate | |||||||||||||||
| 1816 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | payload.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host 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
| |||||||||||||||
Total events
2 292
Read events
2 278
Write events
14
Delete events
0
Modification events
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (32) payload.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\payload_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
0
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 32 | payload.exe | C:\Users\admin\AppData\Roaming\Logsi\08-01-2025 | binary | |
MD5:CAF43A9D2FD8690E634389B00C99C3F3 | SHA256:B90C59F5A9A885FC3C7910DF954AA586F69EA88AC85DA9E14791813B60C4BBCD | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
26
DNS requests
15
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
32 | payload.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 23.48.23.143:80 | 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 |
984 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
984 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
3396 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | 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 |
5944 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4060 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
32 | payload.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
32 | payload.exe | 34.174.99.226:5552 | win2325.webredirect.org | GOOGLE-CLOUD-PLATFORM | US | malicious |
3396 | svchost.exe | 20.190.160.65:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3396 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
1268 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
ip-api.com |
| whitelisted |
win2325.webredirect.org |
| malicious |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |