| File name: | Kronos.exe |
| Full analysis: | https://app.any.run/tasks/881ed822-a1fe-4168-977a-761f9c81565a |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | October 20, 2024, 15:18:43 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 0157784B7E0543AC7FC8C8DEE148E606 |
| SHA1: | F6F83903B4E52BF9532E0CBA4C888F636EB39758 |
| SHA256: | 147C1ED89DD953DA36D35DD5D6CC612FAE5FA91D1AFD1E405347376E9745C4E5 |
| SSDEEP: | 49152:1+URbLDF/dNn6C+5QCbi0PqRyIKINVBOjYfHyVv91FZ8eea0OjO+N12vTyprlYnV:1+URbLB3nj+ri8qUGNn4Y/6rHEvyQGpM |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2102:01:07 12:28:57+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 1298432 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x13ef0e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| 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: | Kronos |
| FileVersion: | 1.0.0.0 |
| InternalName: | Kronos.exe |
| LegalCopyright: | Copyright © 2022 |
| LegalTrademarks: | - |
| OriginalFileName: | Kronos.exe |
| ProductName: | Kronos |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 204 | "C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Resources\Imports\T\SL.exe" 127.0.0.1|5552|100|100 | C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Resources\Imports\T\SL.exe | — | Njrat.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Payload Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 300 | "C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\Njrat_V9.0d.rar" C:\Users\admin\Desktop\Njrat_V9.0d\ | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 1372 | "C:\Users\admin\Desktop\Patch.exe" | C:\Users\admin\Desktop\Patch.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3000 | "C:\Users\admin\AppData\Local\Temp\server.exe" | C:\Users\admin\AppData\Local\Temp\server.exe | Patch.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 1.0.0.0 Modules
| |||||||||||||||
| 3104 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4128 | "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 Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5220 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6592 -s 1312 | C:\Windows\SysWOW64\WerFault.exe | Kronos.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5232 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | netsh.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
| |||||||||||||||
| 5596 | "C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Njrat.exe" | C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Njrat.exe | — | explorer.exe | |||||||||||
User: admin Company: Njrat Integrity Level: MEDIUM Description: Njrat Exit code: 3221226540 Version: 0.9.0.0 Modules
| |||||||||||||||
| 6148 | "C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Njrat.exe" | C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Njrat.exe | explorer.exe | ||||||||||||
User: admin Company: Njrat Integrity Level: HIGH Description: Njrat Version: 0.9.0.0 Modules
| |||||||||||||||
| (PID) Process: | (300) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (300) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (300) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (300) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\.NET Memory Cache 4.0\Linkage |
| Operation: | write | Name: | Export |
Value: .NET Memory Cache 4.0 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: MSDTC Bridge 3.0.0.0 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 4.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: MSDTC Bridge 4.0.0.0 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ServiceModelEndpoint 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: ServiceModelEndpoint 3.0.0.0 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ServiceModelOperation 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: ServiceModelOperation 3.0.0.0 | |||
| (PID) Process: | (6148) Njrat.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ServiceModelService 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: ServiceModelService 3.0.0.0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5220 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_Kronos.exe_2f2824fd7a1205ea4c4b5ece8e1c8698ea16_161d4087_6214d2cb-c2c9-49dd-9ae4-a6c3015e4a1a\Report.wer | — | |
MD5:— | SHA256:— | |||
| 5220 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\Kronos.exe.6592.dmp | — | |
MD5:— | SHA256:— | |||
| 300 | WinRAR.exe | C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Audio\fPNPN.wav | — | |
MD5:— | SHA256:— | |||
| 300 | WinRAR.exe | C:\Users\admin\Desktop\Njrat_V9.0d\Njrat V9.0d\Audio\PNPN.wav | — | |
MD5:— | SHA256:— | |||
| 5220 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:76E5B3A94B3D7FD4BCD6752673C478C1 | SHA256:9FF25BB832EA0B0DA71FB31621C7A43E1008AD9A8C12CB43EBF25B28C8C2EF2D | |||
| 5220 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERC201.tmp.dmp | binary | |
MD5:EF59BFC051F83F6D203ADEA75906381D | SHA256:A7AC48343AF90D26A615C241B7EFE0B12A1546944EF92228AE62D74E47BC5277 | |||
| 5220 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785 | der | |
MD5:1B7FD5177461034E4086724C5845E927 | SHA256:065AF18C229898A1C2A8D989911ADCD9B1E2AB14B1953EBF8EAF34AE37EA1627 | |||
| 5220 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:1F610007A6E4CE7409D1149DEB6E55D5 | SHA256:1BADA3B581474B7E8CEE5179C19F22C8035B8B9410C1425F8DB48CE03DBC6F1F | |||
| 5220 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERC32B.tmp.WERInternalMetadata.xml | xml | |
MD5:C7A1C854F66E92BDEBC01D582B8A5292 | SHA256:6929DC96A3215E98C9872A13B890D498FD7237D4CA89966FE3927852744CB4A7 | |||
| 5220 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE | der | |
MD5:F0CF5B1794ECA7CD73F9C020DAAB8EF2 | SHA256:2AF00EDCE7EF3266897E52DC81E8DE3B7A079028C0F1F96EAFF9E38AD342F617 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5220 | WerFault.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4360 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
5220 | WerFault.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1880 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6944 | svchost.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5984 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2776 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2776 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6944 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1588 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4360 | SearchApp.exe | 2.16.110.176:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
4360 | SearchApp.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5220 | WerFault.exe | 20.189.173.21:443 | watson.events.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5220 | WerFault.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5220 | WerFault.exe | 23.52.120.96:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
google.com |
| whitelisted |
watson.events.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
th.bing.com |
| whitelisted |
go.microsoft.com |
| whitelisted |