| File name: | pixel.exe |
| Full analysis: | https://app.any.run/tasks/6c23a45e-357f-4d07-8814-0d51593b0bca |
| 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, 05:49:28 |
| 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
Starts Visual C# compiler
- pixel.exe (PID: 6972)
ASYNCRAT has been detected (SURICATA)
- MSBuild.exe (PID: 4628)
ASYNCRAT has been detected (YARA)
- MSBuild.exe (PID: 4628)
SUSPICIOUS
Uses .NET C# to load dll
- pixel.exe (PID: 6972)
Potential Corporate Privacy Violation
- pixel.exe (PID: 6972)
Contacting a server suspected of hosting an CnC
- MSBuild.exe (PID: 4628)
Connects to unusual port
- MSBuild.exe (PID: 4628)
Executable content was dropped or overwritten
- csc.exe (PID: 4880)
INFO
Reads the computer name
- pixel.exe (PID: 6972)
- MSBuild.exe (PID: 4628)
Disables trace logs
- pixel.exe (PID: 6972)
Checks supported languages
- pixel.exe (PID: 6972)
- cvtres.exe (PID: 6964)
- csc.exe (PID: 4880)
- MSBuild.exe (PID: 4628)
Create files in a temporary directory
- pixel.exe (PID: 6972)
- csc.exe (PID: 4880)
- cvtres.exe (PID: 6964)
Checks proxy server information
- pixel.exe (PID: 6972)
Reads the machine GUID from the registry
- pixel.exe (PID: 6972)
- csc.exe (PID: 4880)
- MSBuild.exe (PID: 4628)
Reads the software policy settings
- MSBuild.exe (PID: 4628)
- slui.exe (PID: 6872)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(4628) MSBuild.exe
C2 (1)185.39.17.70
Ports (1)8848
VersionLoaderPanel
Options
AutoRunfalse
Mutexhqjitjybornneksp
InstallFolder%AppData%
Certificates
Cert1MIICMDCCAZmgAwIBAgIVAJHz+ah5/J2brULSjvSUc0iQ1oaHMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDExvYWRlciBQYW5lbDETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTI0MDYyMzE5MDc1MFoXDTM1MDQwMjE5MDc1MFowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
Server_SignatureCVPJD93DL+2331qWjErlHyBf0bqnxvWR24DG8xoU2w8Fu23X270YtV59LTJ0N8Plv03LW3PY7akBWoRGmuVkQTXZTjcv1TQLGqEQKNF2nCgwXlAhcijHNy225rmayMaXZEEvzoQ67S1C0GVIrsA+nAluqxnqZDCYb05xbPj+Kbo=
Keys
AES481c4247d86c050707a1e70b4783bb0238af9974ab55e0f85bd5e3b01f893f00
SaltLoaderPanel
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
8
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1128 | 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
| |||||||||||||||
| 4628 | "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
AsyncRat(PID) Process(4628) MSBuild.exe C2 (1)185.39.17.70 Ports (1)8848 VersionLoaderPanel Options AutoRunfalse Mutexhqjitjybornneksp InstallFolder%AppData% Certificates Cert1MIICMDCCAZmgAwIBAgIVAJHz+ah5/J2brULSjvSUc0iQ1oaHMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDExvYWRlciBQYW5lbDETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTI0MDYyMzE5MDc1MFoXDTM1MDQwMjE5MDc1MFowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A... Server_SignatureCVPJD93DL+2331qWjErlHyBf0bqnxvWR24DG8xoU2w8Fu23X270YtV59LTJ0N8Plv03LW3PY7akBWoRGmuVkQTXZTjcv1TQLGqEQKNF2nCgwXlAhcijHNy225rmayMaXZEEvzoQ67S1C0GVIrsA+nAluqxnqZDCYb05xbPj+Kbo= Keys AES481c4247d86c050707a1e70b4783bb0238af9974ab55e0f85bd5e3b01f893f00 SaltLoaderPanel | |||||||||||||||
| 4736 | \??\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
| |||||||||||||||
| 4880 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\0f1wsh13.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
| |||||||||||||||
| 5116 | 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
| |||||||||||||||
| 6872 | "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
| |||||||||||||||
| 6964 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESBF3B.tmp" "c:\Users\admin\AppData\Local\Temp\CSC830B09397FDD4AD6B955F8139F8EB26.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
| |||||||||||||||
| 6972 | "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
| |||||||||||||||
Total events
4 615
Read events
4 601
Write events
14
Delete events
0
Modification events
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6972) pixel.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\pixel_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6972) 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 | |
|---|---|---|---|---|
| 6972 | pixel.exe | C:\Users\admin\AppData\Local\Temp\0f1wsh13.0.cs | text | |
MD5:58B10EF6BA0DA88788F1AAC56CE7E2DB | SHA256:AE11144F426028E50E77D64A66AEB954E169F627F8ABFE403791032594834520 | |||
| 4880 | csc.exe | C:\Users\admin\AppData\Local\Temp\0f1wsh13.dll | executable | |
MD5:AD8CB965CE68EF72B1CABE7199EC5FA1 | SHA256:266DC2D6FC25581AE435625BC35043DEE9E9066EDE607387BABACA5B44A1B98A | |||
| 6964 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESBF3B.tmp | binary | |
MD5:4DA1D00E651F12E9F12C9E186ACA3A22 | SHA256:48A65C49E712A6F9802A6940F98AD2589AE2637BF0EA7B714B5394E75CFAE6A4 | |||
| 4880 | csc.exe | C:\Users\admin\AppData\Local\Temp\0f1wsh13.out | text | |
MD5:F452B7133E7718DD684F5CE3977720D3 | SHA256:4F1D5E7D77B0D03BFA9AA1AFDAF5009A1832E3D25E44FAB430B66BE6BC02714B | |||
| 4880 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC830B09397FDD4AD6B955F8139F8EB26.TMP | binary | |
MD5:33F510C9059D8439AEAE395CFFBD8DC3 | SHA256:0B036FF2C74C740883B649B1CF8EFA62C6A173A98FFB051FBCE1A3C18FBE5EF4 | |||
| 6972 | pixel.exe | C:\Users\admin\AppData\Local\Temp\0f1wsh13.cmdline | text | |
MD5:DC501654A4BC7422C0D2D4454B72BB06 | SHA256:8393943EE1BC6617C2627756783FF7829659B8228AEA36F8DBDA77EF8276C399 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
21
DNS requests
14
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6972 | pixel.exe | GET | 200 | 185.39.17.70:80 | http://185.39.17.70/zgrnf/qxm.exe | unknown | — | — | unknown |
— | — | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5728 | 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 |
5728 | 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 |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6972 | pixel.exe | 185.39.17.70:80 | — | Joint Stock Company Tagnet | RU | unknown |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
4628 | MSBuild.exe | 185.39.17.70:8848 | — | Joint Stock Company Tagnet | RU | unknown |
6544 | svchost.exe | 20.190.160.66:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.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 |
|---|---|---|---|
6972 | pixel.exe | Potentially Bad Traffic | ET INFO Executable Download from dotted-quad Host |
6972 | pixel.exe | Potentially Bad Traffic | ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile |
6972 | pixel.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
6972 | pixel.exe | Potential Corporate Privacy Violation | ET INFO PE EXE or DLL Windows file download HTTP |
6972 | pixel.exe | Potentially Bad Traffic | ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response |
4628 | MSBuild.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
4628 | MSBuild.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |