| File name: | ntoskrnl.exe |
| Full analysis: | https://app.any.run/tasks/178acd5c-433a-4ecb-960e-824b866ee855 |
| Verdict: | Malicious activity |
| Threats: | NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website. |
| Analysis date: | May 28, 2025, 19:06:06 |
| 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: | 9A21F016CED7714741662670BED51BF4 |
| SHA1: | C12AD2357CFA1281671EFFB759CB6F643BA991FF |
| SHA256: | 4B1A1EBC2AA30B4B72897EC0E94865F5099DD09D4C04A61C81FBA3E90726C2F4 |
| SSDEEP: | 12288:oNFaX5B5LArm4lzOzk+xEBjbDHAv6svRsb+N3nfk7:obGb5LArm4lzOAfB/LAdvRsbs3nfw |
MALICIOUS
Changes the autorun value in the registry
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Uses Task Scheduler to run other applications
- ntoskrnl.exe (PID: 5164)
NANOCORE has been detected (SURICATA)
- ntoskrnl.exe (PID: 5164)
Connects to the CnC server
- ntoskrnl.exe (PID: 5164)
NANOCORE has been detected (YARA)
- ntoskrnl.exe (PID: 5164)
SUSPICIOUS
The process creates files with name similar to system file names
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Reads the date of Windows installation
- ntoskrnl.exe (PID: 6824)
Application launched itself
- ntoskrnl.exe (PID: 6824)
Reads security settings of Internet Explorer
- ntoskrnl.exe (PID: 6824)
Executable content was dropped or overwritten
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Connects to unusual port
- ntoskrnl.exe (PID: 5164)
Contacting a server suspected of hosting an CnC
- ntoskrnl.exe (PID: 5164)
There is functionality for taking screenshot (YARA)
- ntoskrnl.exe (PID: 5164)
INFO
Launch of the file from Registry key
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Process checks whether UAC notifications are on
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Reads the machine GUID from the registry
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Checks supported languages
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Creates files or folders in the user directory
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Reads the computer name
- ntoskrnl.exe (PID: 6824)
- ntoskrnl.exe (PID: 5164)
Process checks computer location settings
- ntoskrnl.exe (PID: 6824)
Creates files in the program directory
- ntoskrnl.exe (PID: 5164)
Create files in a temporary directory
- ntoskrnl.exe (PID: 5164)
Reads Environment values
- ntoskrnl.exe (PID: 5164)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .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) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:02:22 00:49:37+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 116736 |
| InitializedDataSize: | 345088 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1e792 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
138
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2108 | "schtasks.exe" /create /f /tn "LAN Host" /xml "C:\Users\admin\AppData\Local\Temp\tmpABC2.tmp" | C:\Windows\System32\schtasks.exe | — | ntoskrnl.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2660 | "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
| |||||||||||||||
| 3176 | "schtasks.exe" /create /f /tn "LAN Host Task" /xml "C:\Users\admin\AppData\Local\Temp\tmpAC12.tmp" | C:\Windows\System32\schtasks.exe | — | ntoskrnl.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4020 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5164 | "C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe" | C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe | ntoskrnl.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 1073807364 Modules
| |||||||||||||||
| 6496 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6652 | 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
| |||||||||||||||
| 6824 | "C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe" | C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 224
Read events
1 221
Write events
2
Delete events
1
Modification events
| (PID) Process: | (6824) ntoskrnl.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | LAN Host |
Value: C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exe | |||
| (PID) Process: | (5164) ntoskrnl.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | LAN Host |
Value: C:\Program Files\LAN Host\lanhost.exe | |||
| (PID) Process: | (5164) ntoskrnl.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | delete value | Name: | LAN Host |
Value: C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exe | |||
Executable files
2
Suspicious files
3
Text files
3
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6824 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\run.dat | binary | |
MD5:FE7A269F1292D9DFD4941DA82AA994A4 | SHA256:F47916D81A70E13FBADA8D281CB95AE292C86BF1FB1B1DE22A34748245E9A78F | |||
| 5164 | ntoskrnl.exe | C:\Program Files\LAN Host\lanhost.exe | executable | |
MD5:9A21F016CED7714741662670BED51BF4 | SHA256:4B1A1EBC2AA30B4B72897EC0E94865F5099DD09D4C04A61C81FBA3E90726C2F4 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\task.dat | text | |
MD5:481367AE88CCCDFE65A22017B0E8EC2A | SHA256:43EE3F52993D14834DDF84D78ACD1AB607DD80A1F25EC95282AC1F9D8F288364 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\settings.bin | binary | |
MD5:AE0F5E6CE7122AF264EC533C6B15A27B | SHA256:73B0B92179C61C26589B47E9732CE418B07EDEE3860EE5A2A5FB06F3B8AA9B26 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\settings.bak | binary | |
MD5:AE0F5E6CE7122AF264EC533C6B15A27B | SHA256:73B0B92179C61C26589B47E9732CE418B07EDEE3860EE5A2A5FB06F3B8AA9B26 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\catalog.dat | bs | |
MD5:9E7D0351E4DF94A9B0BADCEB6A9DB963 | SHA256:AAFC7B40C5FE680A2BB549C3B90AABAAC63163F74FFFC0B00277C6BBFF88B757 | |||
| 6824 | ntoskrnl.exe | C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exe | executable | |
MD5:9A21F016CED7714741662670BED51BF4 | SHA256:4B1A1EBC2AA30B4B72897EC0E94865F5099DD09D4C04A61C81FBA3E90726C2F4 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Local\Temp\tmpAC12.tmp | xml | |
MD5:AA91E340AB4821E84459481095474836 | SHA256:093BFD7A449AEC40DC06CA8272CBB3B232761ED4E183FD5AD6F5E8D5D9024FA8 | |||
| 5164 | ntoskrnl.exe | C:\Users\admin\AppData\Local\Temp\tmpABC2.tmp | xml | |
MD5:BFD235C59FB637295EB2F027BDA19F43 | SHA256:205B007719C63617E7680E2824DE79329A2EF51EB8362D1904B81B527765C04B | |||
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
15
Threats
14
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.168.114:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 23.63.118.230:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2108 | SIHClient.exe | GET | 200 | 2.16.253.202:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2108 | SIHClient.exe | GET | 200 | 2.16.253.202:80 | 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 |
|---|---|---|---|---|---|---|
5796 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1040 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 2.16.168.114:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
— | — | 23.219.150.101:80 | www.microsoft.com | AKAMAI-AS | CL | whitelisted |
2112 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5164 | ntoskrnl.exe | 147.185.221.28:60526 | natural-en.gl.at.ply.gg | PLAYIT-GG | US | malicious |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6544 | svchost.exe | 40.126.31.3:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
natural-en.gl.at.ply.gg |
| unknown |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | MALWARE [ANY.RUN] Suspected domain Associated with Malware Distribution (.ply .gg) |
— | — | Misc activity | ET TA_ABUSED_SERVICES Tunneling Service in DNS Lookup (* .ply .gg) |
— | — | Potentially Bad Traffic | ET INFO playit .gg Tunneling Domain in DNS Lookup |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT CnC 7 |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT Keep-Alive Beacon (Inbound) |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT CnC 7 |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT Keep-Alive Beacon (Inbound) |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT CnC 7 |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT Keep-Alive Beacon (Inbound) |
— | — | Malware Command and Control Activity Detected | ET MALWARE NanoCore RAT CnC 7 |