| File name: | nellinssen.nl.exe |
| Full analysis: | https://app.any.run/tasks/8844aa37-33ae-4272-a899-372f54e67d9b |
| 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: | March 15, 2026, 05:44:56 |
| 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: | B119A8ED9B4AD2C410248D4FE6EDFF3A |
| SHA1: | A3A6EFDA3067C8C9B3E336C6727585B8A5B8920F |
| SHA256: | C6AC166C420F81E02260A706BEF8FCEDBF30B9BBFFA8352A006CD54E5FD150E6 |
| SSDEEP: | 1536:jVW+8wvY4YHFIbzDHIZ4U7TOYNt9ZXY3bgISxG0NAlD8m2x:jVW+8wvY4YHgHIBBY3bgRG0NAux |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:10:16 21:40:53+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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4712 | "C:\Users\admin\Downloads\nellinssen.nl.exe" | C:\Users\admin\Downloads\nellinssen.nl.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 5168 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp661A.tmp.bat"" | C:\Windows\SysWOW64\cmd.exe | — | nellinssen.nl.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5204 | timeout 3 | C:\Windows\SysWOW64\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7460 | 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
| |||||||||||||||
| 8036 | \??\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
| |||||||||||||||
| 8352 | "C:\Users\admin\AppData\Roaming\ditmemay.exe" | C:\Users\admin\AppData\Roaming\ditmemay.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
AsyncRat(PID) Process(8352) ditmemay.exe C2 (1)nellinssen.nl Ports (4)80 8080 443 8443 Version0.5.8 Botnetnellinssen.nl Options AutoRuntrue Mutex4l3VtV1uut4L InstallFolder%AppData% BSoDfalse AntiVMfalse Certificates Cert1MIIE8jCCAtqgAwIBAgIQAP8v17eCZUuhVc4ak9AKITANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjYwMTMxMTMxNjI2WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALhdNOa/xKQBPfYc/YUafPCv7lyifwXTvNZJ27fsFCxLGtCQzbEjtrdth+pwEUrT501AvFvaFfD3... Server_SignatureUNhSDTPp4+yOIY8muMX+54X7mDEgIFzlIz3Oyrefb8+VX5Lkr1d9WiqL5M+btUxUNq5SQOciBLP7ED1ukV4PEt9ECczg/rY8nhIxE8TGCiVaC3cVhyOK97dbfCF5tLXT2l21h9t3+Y/p2tkrccbVxcfbdYJQ0EO9TSoQlVdqRj1JrNuMr/qprcJRh1x5fcCB/foRfFp0QdUj/BNjTy1yqtm6S1MM+rQX2RLQY/WPfLarbMvSFWc4y65syJBC8Uhrb878pyV/YqlNJeXhvLjYiEOpwSxHSoQthqLDpjldCBa+... Keys AES324708050def09ed24a9f842f396482c432b9b8b4fdbcb6cba47338cb09118ed Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
| (PID) Process: | (4712) nellinssen.nl.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | ditmemay |
Value: "C:\Users\admin\AppData\Roaming\ditmemay.exe" | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4712 | nellinssen.nl.exe | C:\Users\admin\AppData\Local\Temp\tmp661A.tmp.bat | text | |
MD5:89D656FFC9E16481DFAE2EE45F1AE0D0 | SHA256:990A3D97CA079652DCE8419C482C1BF21B20B2C34AD3763BD08633D4E790E350 | |||
| 4712 | nellinssen.nl.exe | C:\Users\admin\AppData\Roaming\ditmemay.exe | executable | |
MD5:B119A8ED9B4AD2C410248D4FE6EDFF3A | SHA256:C6AC166C420F81E02260A706BEF8FCEDBF30B9BBFFA8352A006CD54E5FD150E6 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
876 | svchost.exe | GET | 304 | 20.73.194.208:443 | 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 | unknown | — | — | whitelisted |
6768 | MoUsoCoreWorker.exe | GET | 304 | 51.104.136.2:443 | 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 | unknown | — | — | whitelisted |
8044 | SIHClient.exe | GET | 304 | 135.233.95.144:443 | 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 | unknown | — | — | whitelisted |
8044 | SIHClient.exe | GET | 200 | 20.165.94.54:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | unknown | — | — | whitelisted |
8044 | SIHClient.exe | GET | 200 | 135.233.95.144:443 | https://slscr.update.microsoft.com/sls/ping | unknown | — | — | whitelisted |
8044 | SIHClient.exe | GET | 304 | 135.233.95.144:443 | 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 | unknown | — | — | whitelisted |
876 | svchost.exe | GET | 200 | 51.104.136.2:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/WaaSAssessment?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&ring=Retail&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&FlightRing=Retail&TelemetryLevel=1&HidOverGattReg=C%3A%5CWINDOWS%5CSystem32%5CDriverStore%5CFileRepository%5Chidbthle.inf_amd64_9610b4821fdf82a5%5CMicrosoft.Bluetooth.Profiles.HidOverGatt.dll&AppVer=10.0&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=WaaSAssessment&ProcessorCores=6&CurrentBranch=vb_release&InstallLanguage=en-US&DeferQualityUpdatePeriodInDays=0&ServicingBranch=CB&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&HonorWUfBDeferrals=1&FirmwareVersion=A.40&TrendInstalledKey=1&OSArchitecture=AMD64&DefaultUserRegion=244&UpdateManagementGroup=2 | unknown | text | 5.74 Kb | whitelisted |
876 | svchost.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
876 | svchost.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
356 | svchost.exe | POST | 200 | 20.190.160.131:443 | https://login.live.com/RST2.srf | unknown | xml | 1.24 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
876 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:137 | — | Not routed | — | whitelisted |
7288 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6768 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:138 | — | Not routed | — | whitelisted |
876 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
876 | svchost.exe | 23.216.77.28:80 | crl.microsoft.com | AKAMAI-ASN1 | NL | whitelisted |
876 | svchost.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
876 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
8352 | ditmemay.exe | 104.21.90.243:80 | nellinssen.nl | CLOUDFLARENET | US | malicious |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
nellinssen.nl |
| unknown |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
876 | svchost.exe | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |
8352 | ditmemay.exe | A Network Trojan was detected | MALWARE [ANY.RUN] Win32/Common RAT related JA3 hash observed |