| File name: | gametest.exe |
| Full analysis: | https://app.any.run/tasks/143c219d-dc95-43f8-9fa5-53a8abaa5cae |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | January 18, 2025, 00:28:16 |
| OS: | Windows 10 Professional (build: 19045, 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: | 762871867B5DA0780C6E2A3F628883EF |
| SHA1: | DEE25B5D20BC64073CA731C34671EF73835E80D0 |
| SHA256: | B2A803ABF49F6FD2F0B9D4DE691F74E566DEA247444D7288D1E112F15E944DA6 |
| SSDEEP: | 49152:POgGOhX02hD2nPiLq3A6770DODdl/rADxXhCk/3Dgj+I39j7JoOXOXVttgXzvaLs:t2nP6q3A6770DODdl/rADxRLDgwgI5K |
MALICIOUS
Changes the autorun value in the registry
- gametest.exe (PID: 6056)
- Client.exe (PID: 6184)
QUASAR has been detected (SURICATA)
- Client.exe (PID: 6184)
Connects to the CnC server
- Client.exe (PID: 6184)
ASYNCRAT has been detected (SURICATA)
- Client.exe (PID: 6184)
SUSPICIOUS
Starts itself from another location
- gametest.exe (PID: 6056)
Executable content was dropped or overwritten
- gametest.exe (PID: 6056)
Contacting a server suspected of hosting an CnC
- Client.exe (PID: 6184)
Connects to unusual port
- Client.exe (PID: 6184)
Runs PING.EXE to delay simulation
- cmd.exe (PID: 6964)
Starts application with an unusual extension
- cmd.exe (PID: 6964)
Checks for external IP
- svchost.exe (PID: 2192)
Executing commands from a ".bat" file
- Client.exe (PID: 6184)
Starts CMD.EXE for commands execution
- Client.exe (PID: 6184)
INFO
Checks supported languages
- gametest.exe (PID: 6056)
- Client.exe (PID: 6184)
Creates files or folders in the user directory
- gametest.exe (PID: 6056)
The process uses the downloaded file
- gametest.exe (PID: 6056)
- Client.exe (PID: 6184)
Reads the machine GUID from the registry
- gametest.exe (PID: 6056)
- Client.exe (PID: 6184)
Reads the computer name
- gametest.exe (PID: 6056)
- Client.exe (PID: 6184)
Reads Environment values
- Client.exe (PID: 6184)
- gametest.exe (PID: 6056)
Disables trace logs
- Client.exe (PID: 6184)
Checks proxy server information
- Client.exe (PID: 6184)
Reads the software policy settings
- Client.exe (PID: 6184)
Create files in a temporary directory
- Client.exe (PID: 6184)
Changes the display of characters in the console
- cmd.exe (PID: 6964)
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: | 2023:03:12 16:16:39+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 3261440 |
| InitializedDataSize: | 3584 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x31e3de |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.4.1.0 |
| ProductVersionNumber: | 1.4.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.4.1 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2023 |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.4.1 |
| AssemblyVersion: | 1.4.1.0 |
Total processes
129
Monitored processes
7
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2192 | 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
| |||||||||||||||
| 6056 | "C:\Users\admin\AppData\Local\Temp\gametest.exe" | C:\Users\admin\AppData\Local\Temp\gametest.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 3 Version: 1.4.1 Modules
| |||||||||||||||
| 6184 | "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | gametest.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.4.1 Modules
| |||||||||||||||
| 6964 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\nriOuoUnFGDl.bat" " | C:\Windows\System32\cmd.exe | — | Client.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6972 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| 7028 | chcp 65001 | C:\Windows\System32\chcp.com | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7048 | ping -n 10 localhost | C:\Windows\System32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
5 607
Read events
5 590
Write events
16
Delete events
1
Modification events
| (PID) Process: | (6056) gametest.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | IEUpdater |
Value: "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | IEUpdater |
Value: "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6184) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6184 | Client.exe | C:\Users\admin\AppData\Local\Temp\nriOuoUnFGDl.bat | text | |
MD5:72498C28CCF367D77F8E4A31E4565D8F | SHA256:67019DB9EA1A98E428F2F13E60CF72142B89B40D8B7A0B839F08259D22419E5B | |||
| 6056 | gametest.exe | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | executable | |
MD5:762871867B5DA0780C6E2A3F628883EF | SHA256:B2A803ABF49F6FD2F0B9D4DE691F74E566DEA247444D7288D1E112F15E944DA6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
33
DNS requests
17
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.19.11.120:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.209.214.100:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7136 | 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 |
7136 | 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 |
5004 | backgroundTaskHost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%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 |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:137 | — | — | — | unknown |
— | — | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4712 | MoUsoCoreWorker.exe | 2.19.11.120:80 | crl.microsoft.com | Elisa Oyj | NL | unknown |
4712 | MoUsoCoreWorker.exe | 23.209.214.100:80 | www.microsoft.com | PT. Telekomunikasi Selular | ID | unknown |
5064 | SearchApp.exe | 2.19.122.41:443 | www.bing.com | Akamai International B.V. | DE | unknown |
— | — | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | unknown |
4300 | svchost.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4 | System | 192.168.100.255:138 | — | — | — | unknown |
3976 | svchost.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
1176 | svchost.exe | 40.126.32.134:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| unknown |
www.microsoft.com |
| unknown |
google.com |
| unknown |
www.bing.com |
| unknown |
ocsp.digicert.com |
| unknown |
login.live.com |
| unknown |
go.microsoft.com |
| unknown |
ipwho.is |
| unknown |
arc.msn.com |
| unknown |
fd.api.iris.microsoft.com |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
6184 | Client.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (Quasar CnC) |
6184 | Client.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT Style SSL Cert |
2192 | svchost.exe | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
6184 | Client.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] QuasarRAT Successful Connection (GCM_SHA384) |