| File name: | pixel.exe |
| Full analysis: | https://app.any.run/tasks/41ff8108-ab2e-4138-abd3-1e2797f3e79a |
| 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: | April 20, 2025, 05:47:58 |
| 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: | FF3D345E7BEAACC2331438F8C6AD4A35 |
| SHA1: | 1E42AA47F06A141B56C692468121C6261FC76258 |
| SHA256: | DFF75A6B4081873648E6DAD3D4BF401F81DF38A88C932EC1542666603446EE1F |
| SSDEEP: | 12288:/gUYgR+i7GY20FTdlaPBGDW/LnjTbGT63XJ/jbmuucXgiwhVVVVVVVQwRJVq:/gUYgR+i7GY20FTdlaPBGDW/LnjTbGTK |
MALICIOUS
Executing a file with an untrusted certificate
- pixel.exe (PID: 5972)
Starts Visual C# compiler
- pixel.exe (PID: 5972)
ASYNCRAT has been detected (SURICATA)
- MSBuild.exe (PID: 904)
ASYNCRAT has been detected (YARA)
- MSBuild.exe (PID: 904)
SUSPICIOUS
Uses .NET C# to load dll
- pixel.exe (PID: 5972)
Executable content was dropped or overwritten
- csc.exe (PID: 4172)
Potential Corporate Privacy Violation
- pixel.exe (PID: 5972)
Connects to unusual port
- MSBuild.exe (PID: 904)
Contacting a server suspected of hosting an CnC
- MSBuild.exe (PID: 904)
INFO
Disables trace logs
- pixel.exe (PID: 5972)
Checks proxy server information
- pixel.exe (PID: 5972)
Reads the machine GUID from the registry
- pixel.exe (PID: 5972)
- csc.exe (PID: 4172)
- MSBuild.exe (PID: 904)
Checks supported languages
- pixel.exe (PID: 5972)
- csc.exe (PID: 4172)
- cvtres.exe (PID: 1760)
- MSBuild.exe (PID: 904)
Reads the computer name
- pixel.exe (PID: 5972)
- MSBuild.exe (PID: 904)
Create files in a temporary directory
- cvtres.exe (PID: 1760)
- pixel.exe (PID: 5972)
- csc.exe (PID: 4172)
Reads the software policy settings
- MSBuild.exe (PID: 904)
- slui.exe (PID: 4652)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2072:12:07 15:06:22+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 436736 |
| InitializedDataSize: | 28160 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6c88e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 8.1.6.3 |
| ProductVersionNumber: | 8.1.6.3 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | VixPool |
| CompanyName: | VixPool |
| FileDescription: | VixPool |
| FileVersion: | 8.1.6.3 |
| InternalName: | Stub.exe |
| LegalCopyright: | Copyright © VixPool 2025 |
| LegalTrademarks: | VixPool |
| OriginalFileName: | Stub.exe |
| ProductName: | VixPool |
| ProductVersion: | 8.1.6.3 |
| AssemblyVersion: | 8.1.6.3 |
Total processes
137
Monitored processes
9
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 904 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | pixel.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 1760 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESC565.tmp" "c:\Users\admin\AppData\Local\Temp\CSC79FB3231D5C84C53ACFCF271D6B2867E.TMP" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 14.32.31326.0 Modules
| |||||||||||||||
| 4172 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\ndkudirc.cmdline" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | pixel.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 4652 | "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 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5400 | 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 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5588 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | — | pixel.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Exit code: 4294967295 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 5956 | 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 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5972 | "C:\Users\admin\AppData\Local\Temp\pixel.exe" | C:\Users\admin\AppData\Local\Temp\pixel.exe | explorer.exe | ||||||||||||
User: admin Company: VixPool Integrity Level: MEDIUM Description: VixPool Exit code: 0 Version: 8.1.6.3 Modules
| |||||||||||||||
| 6244 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | csc.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
| |||||||||||||||
Total events
4 616
Read events
4 602
Write events
14
Delete events
0
Modification events
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
1
Suspicious files
2
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1760 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESC565.tmp | binary | |
MD5:78EAA9EAF511D0179362027B244CE83D | SHA256:39E5FEE4E269465629389287631EBADD885C6BCEA284952393B571FD2AB34B3B | |||
| 5972 | pixel.exe | C:\Users\admin\AppData\Local\Temp\ndkudirc.cmdline | text | |
MD5:2F5CFDFC4A30B0AC8A6EF8B9AE73118D | SHA256:6FD42E9185CD93558F295C2EFBB4BEC24B9B2F82E72A8E25707D67216CB6FC3C | |||
| 4172 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC79FB3231D5C84C53ACFCF271D6B2867E.TMP | binary | |
MD5:AAF3224B338AE034C6C805596D9E6C4A | SHA256:BD4CDAB2CCCF8752DE17DFF2BCEBA1FE22CBFAA691B7141F719C3B6A707E012D | |||
| 5972 | pixel.exe | C:\Users\admin\AppData\Local\Temp\ndkudirc.0.cs | text | |
MD5:58B10EF6BA0DA88788F1AAC56CE7E2DB | SHA256:AE11144F426028E50E77D64A66AEB954E169F627F8ABFE403791032594834520 | |||
| 4172 | csc.exe | C:\Users\admin\AppData\Local\Temp\ndkudirc.dll | executable | |
MD5:B34AC9B57B0B894409C7D7619390641B | SHA256:40D7206A17E6697D16449440404404430CC0B4F8ADBDF8EB94FCFBD7621E9932 | |||
| 4172 | csc.exe | C:\Users\admin\AppData\Local\Temp\ndkudirc.out | text | |
MD5:D148209ABA631800380C336AA2A226C0 | SHA256:1E7EFDB4D26282B97AE7F528FAA70A6A273695B5134495E6E085BEBD965603F4 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
23
DNS requests
16
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5972 | pixel.exe | GET | 200 | 185.39.17.70:80 | http://185.39.17.70/zgrnf/qxm.exe | unknown | — | — | unknown |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1452 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
1452 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | 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 |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5972 | pixel.exe | 185.39.17.70:80 | — | Joint Stock Company Tagnet | RU | unknown |
6544 | svchost.exe | 40.126.31.130:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
904 | MSBuild.exe | 185.39.17.70:8848 | — | Joint Stock Company Tagnet | RU | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
5972 | pixel.exe | Potentially Bad Traffic | ET INFO Executable Download from dotted-quad Host |
5972 | pixel.exe | Potential Corporate Privacy Violation | ET INFO PE EXE or DLL Windows file download HTTP |
5972 | pixel.exe | Potentially Bad Traffic | ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile |
5972 | pixel.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
5972 | pixel.exe | Potentially Bad Traffic | ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response |
904 | MSBuild.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
904 | MSBuild.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |