| File name: | As.exe |
| Full analysis: | https://app.any.run/tasks/cd574d06-e029-4bf9-898f-2d317d5a6bfa |
| 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: | June 02, 2026, 12:00:15 |
| 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: | 02E00B676376D5D6BFAB64A9C9694A4D |
| SHA1: | 6D205136E5D12844282838C98521DEE33A6C64A1 |
| SHA256: | E958452A487FBC61003D489FA3610D980E14775283EE6C7EDC326F63B0C652E6 |
| SSDEEP: | 1536:DkWlPwVt7Y2OBbzbHIbaXUiqObtvXvHbS3bfXAt/vQzFm2x:DkWlPwVt7Y28HIbGTS3bfq/vONx |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.4) |
| .scr | | | Windows screen saver (10.1) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:05:10 05:24:51+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 43008 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xc72e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| 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: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Stub.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Stub.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4180 | "C:\Users\admin\AppData\Local\Temp\As.exe" | C:\Users\admin\AppData\Local\Temp\As.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
AsyncRat(PID) Process(4180) As.exe C2 (1)a2nigb3ekc.localto.net Ports (1)6961 Version0.5.7B BotnetDefault Options AutoRunfalse MutexAsyncMutex_6SI8OkPnk InstallFolder%AppData% BSoDfalse AntiVMfalse Certificates Cert1MIIE8jCCAtqgAwIBAgIQALASPnOH5CCA3eLZSV1v4zANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjYwNDExMjMyNTExWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAIWMPK7I5/lN0Zo0IKaaqc5Yvui2PizTZdMMUiCJqQ0G0GhJRNda/dnZSxmzNTTLa7LLJt6Ddxoz... Server_SignatureM/774lElkm03XZN3Qe174UKvUjFSrBUZnRLG1Dh5OO0Kfphx1fnO/Ezifdaps8KuGeSbfwXjJ5XrZ/clw5AnFBW/N2hDJRmx4VcRxyHMe8rxMouXpLdLUorqreLd6hM6s41iICTgil2LxsBcpvqY3I9rjUbixb0KozSh5WhbR93RxL8OjZ2hiYuDBwDMzUVxhVNUadonoqVSZ1EKLcZUUhEogv04uVouabtB2kpPf87oTxZq6/DajiqDuKPL0DN0uaiuy5GXGxeKncsneYATR+inE6DBDxT0Q8G1AfTTUOvH... Keys AES637a8297a55d20cc0c3d7f0c6af51550470b4ea4b3ced0f02e06518f901ae69e Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5276 | MoUsoCoreWorker.exe | GET | 304 | 48.209.138.189:443 | https://settings-win.data.microsoft.com/settings/v3.0/wsd/muse?ProcessorClockSpeed=3094&FlightIds=&UpdateOfferedDays=4294967295&BranchReadinessLevel=CB&OEMManufacturerName=DELL&IsCloudDomainJoined=0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&sku=48&ActivationChannel=Retail&AttrDataVer=186&IsMDMEnrolled=0&ProcessorCores=6&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&TotalPhysicalRAM=6144&PrimaryDiskType=4294967295&FlightingBranchName=&ChassisTypeId=1&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&sampleId=95271487&deviceClass=Windows.Desktop&App=muse&DisableDualScan=0&AppVer=10.0&OEMSubModel=J5CR&locale=en-US&IsAlwaysOnAlwaysConnectedCapable=0&ms=0&DefaultUserRegion=244&UpdateServiceUrl=http%3A%2F%2Fneverupdatewindows10.com&osVer=10.0.19045.4046.amd64fre.vb_release.191206-1406&os=windows&deviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&DeferQualityUpdatePeriodInDays=0&ring=Retail&DeferFeatureUpdatePeriodInDays=30 | US | — | — | whitelisted |
6640 | SIHClient.exe | GET | 304 | 74.178.76.128:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | US | — | — | whitelisted |
6640 | SIHClient.exe | GET | 200 | 74.178.240.51:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | US | — | — | whitelisted |
6640 | SIHClient.exe | GET | 200 | 74.178.76.128:443 | https://slscr.update.microsoft.com/sls/ping | US | — | — | whitelisted |
6640 | SIHClient.exe | GET | 304 | 74.178.76.128:443 | https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | US | — | — | whitelisted |
5768 | svchost.exe | GET | 304 | 57.153.246.3:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/UpdateHealthTools?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=s:BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&sampleId=s:95271487&appVer=10.0.19041.3626&FlightRing=Retail&TelemetryLevel=1&HidOverGattReg=C%3A%5CWINDOWS%5CSystem32%5CDriverStore%5CFileRepository%5Chidbthle.inf_amd64_9610b4821fdf82a5%5CMicrosoft.Bluetooth.Profiles.HidOverGatt.dll&AppVer=&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&OEMModel=DELL&UpdateOfferedDays=4294967295&ProcessorManufacturer=AuthenticAMD&InstallDate=1661339444&OEMModelBaseBoard=&BranchReadinessLevel=CB&OEMSubModel=J5CR&IsCloudDomainJoined=0&DeferFeatureUpdatePeriodInDays=30&IsDeviceRetailDemo=0&FlightingBranchName=&OSUILocale=en-US&DeviceFamily=Windows.Desktop&WuClientVer=10.0.19041.3996&UninstallActive=1&IsFlightingEnabled=0&OSSkuId=48&ProcessorClockSpeed=3094&TotalPhysicalRAM=6144&SecureBootCapable=0&App=SedimentPack&ProcessorCores=6&CurrentBranch=vb_release&InstallLanguage=en-US&DeferQualityUpdatePeriodInDays=0&OEMName_Uncleaned=DELL&TPMVersion=0&PrimaryDiskTotalCapacity=262144&InstallationType=Client&AttrDataVer=186&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&IsEdgeWithChromiumInstalled=1&OSVersion=10.0.19045.4046&IsMDMEnrolled=0&ActivationChannel=Retail&FirmwareVersion=A.40&TrendInstalledKey=1&OSArchitecture=AMD64&DefaultUserRegion=244&UpdateManagementGroup=2 | US | — | — | whitelisted |
5768 | svchost.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 825 b | whitelisted |
5276 | MoUsoCoreWorker.exe | GET | 200 | 48.209.138.189:443 | https://settings-win.data.microsoft.com/settings/v3.0/OneSettings/Client?OSVersionFull=10.0.19045.4046.amd64fre.vb_release.191206-1406&LocalDeviceID=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&FlightRing=Retail&AttrDataVer=186&OSUILocale=en-US&OSSkuId=48&App=WOSC&AppVer=&IsFlightingEnabled=0&TelemetryLevel=1&DeviceFamily=Windows.Desktop | US | text | 7.04 Kb | whitelisted |
5276 | MoUsoCoreWorker.exe | GET | 200 | 48.209.138.189:443 | https://settings-win.data.microsoft.com/settings/v3.0/FlightSettings/FSService?ProcessorClockSpeed=3094&IsRetailOS=1&OEMManufacturerName=DELL&FlightingPolicyValue=3&EnablePreviewBuilds=4294967295&OSVersionFull=10.0.19045.4046.amd64fre.vb_release.191206-1406&ManagePreviewBuilds=3&BranchReadinessLevelSource=0&AttrDataVer=186&ProcessorCores=6&BranchReadinessLevelRaw=16&TotalPhysicalRAM=6144&TPMVersion=0&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&DeviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&App=FSS&AppVer=10.0&SmartActiveHoursState=1&ActiveHoursStart=20&SecureBootCapable=0&ActiveHoursEnd=13&DeviceFamily=Windows.Desktop | US | text | 87.3 Kb | whitelisted |
6640 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | US | binary | 407 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | Not routed | — | whitelisted |
5276 | MoUsoCoreWorker.exe | 48.209.138.189:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
— | — | 48.192.1.65:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5768 | svchost.exe | 48.209.138.189:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:138 | — | Not routed | — | whitelisted |
4180 | As.exe | 188.132.242.67:6961 | a2nigb3ekc.localto.net | DATEMA | TR | unknown |
5768 | svchost.exe | 48.209.133.15:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5768 | svchost.exe | 2.16.241.12:80 | crl.microsoft.com | AKAMAI-ASN1 | NL | whitelisted |
5768 | svchost.exe | 2.23.246.101:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
3428 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
activation-v2.sls.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
a2nigb3ekc.localto.net |
| unknown |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2232 | svchost.exe | Misc activity | ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net) |
5768 | svchost.exe | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
2232 | svchost.exe | Misc activity | ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net) |
2232 | svchost.exe | Misc activity | ET INFO Reverse Proxy/Tunneling Service Domain in DNS Lookup (localto .net) |