File name:

Leon.exe

Full analysis: https://app.any.run/tasks/6a192ef6-eb2e-407d-b896-5e4ce9c6117f
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.

Malware Trends Tracker     >>>
Analysis date: June 02, 2026, 09:39:35
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
auto-reg
nanocore
rat
remote
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

07774A2C6B1D8430666D1D314C363F69

SHA1:

E195835DCE9FDE97B736D3B54B487347587D1400

SHA256:

5EB4C9E5099FD47511D7E427514E92BE2A2C2C7659BD73EB15B72B4CABA16B2E

SSDEEP:

6144:SNFfUMuzkIM50tYhabwSxH9DyyAoZHutDMMhfeAxgNu6KQFpf9+ZVgulE+mL:SNFaXtaHyjZIDJIAxgVKQFpF+3HlER

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Changes the autorun value in the registry

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)

    • NANOCORE has been detected (SURICATA)

      • Leon.exe (PID: 5376)

    • NANOCORE has been detected (YARA)

      • Leon.exe (PID: 5376)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)

    • The process creates files with name similar to system file names

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)

    • Application launched itself

      • Leon.exe (PID: 7120)

    • Contacting a server suspected of hosting an CnC

      • Leon.exe (PID: 5376)

  • INFO

    • Reads the machine GUID from the registry

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)
      • lanhost.exe (PID: 1604)

    • Checks supported languages

      • Leon.exe (PID: 7120)
      • lanhost.exe (PID: 1604)
      • Leon.exe (PID: 5376)

    • Creates files or folders in the user directory

      • Leon.exe (PID: 7120)

    • Launching a file from a Registry key

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)

    • Process checks whether UAC notifications are on

      • Leon.exe (PID: 7120)
      • Leon.exe (PID: 5376)

    • Reads the computer name

      • Leon.exe (PID: 7120)
      • lanhost.exe (PID: 1604)
      • Leon.exe (PID: 5376)

    • Reads security settings of Internet Explorer

      • Leon.exe (PID: 7120)

    • Process checks computer location settings

      • Leon.exe (PID: 7120)

    • Manual execution by a user

      • lanhost.exe (PID: 1604)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Nanocore

(PID) Process(5376) Leon.exe
KeyboardLoggingTrue
BuildTime2026-06-02 09:35:23.009016
Version1.2.2.0
Mutexe481eb15-a3e9-475e-9c49-e2f04d537b12
DefaultGroupDefault
PrimaryConnectionHostcaym.africa
BackupConnectionHostcomfortconcept.com.co
ConnectionPort443
RunOnStartupTrue
RequestElevationTrue
BypassUserAccountControlFalse
ClearZoneIdentifierTrue
ClearAccessControlFalse
SetCriticalProcessFalse
PreventSystemSleepTrue
ActivateAwayModeFalse
EnableDebugModeFalse
RunDelay21
ConnectDelay4000
RestartDelay5000
TimeoutInterval5000
KeepAliveTimeout29985
MutexTimeout4988
LanTimeout2488
WanTimeout7988
BufferSize65514
MaxPacketSize10485760
GCThreshold10485742
UseCustomDnsServerTrue
PrimaryDnsServer8.8.8.8
BackupDnsServer8.8.4.4
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.2)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.7)

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: 274944
UninitializedDataSize: -
EntryPoint: 0x1e792
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
158
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start leon.exe #NANOCORE leon.exe slui.exe lanhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1604"C:\Program Files (x86)\LAN Host\lanhost.exe"C:\Program Files (x86)\LAN Host\lanhost.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\program files (x86)\lan host\lanhost.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
5376"C:\Users\admin\Desktop\Leon.exe" C:\Users\admin\Desktop\Leon.exe
Leon.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\desktop\leon.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
Nanocore
(PID) Process(5376) Leon.exe
KeyboardLoggingTrue
BuildTime2026-06-02 09:35:23.009016
Version1.2.2.0
Mutexe481eb15-a3e9-475e-9c49-e2f04d537b12
DefaultGroupDefault
PrimaryConnectionHostcaym.africa
BackupConnectionHostcomfortconcept.com.co
ConnectionPort443
RunOnStartupTrue
RequestElevationTrue
BypassUserAccountControlFalse
ClearZoneIdentifierTrue
ClearAccessControlFalse
SetCriticalProcessFalse
PreventSystemSleepTrue
ActivateAwayModeFalse
EnableDebugModeFalse
RunDelay21
ConnectDelay4000
RestartDelay5000
TimeoutInterval5000
KeepAliveTimeout29985
MutexTimeout4988
LanTimeout2488
WanTimeout7988
BufferSize65514
MaxPacketSize10485760
GCThreshold10485742
UseCustomDnsServerTrue
PrimaryDnsServer8.8.8.8
BackupDnsServer8.8.4.4
7120"C:\Users\admin\Desktop\Leon.exe" C:\Users\admin\Desktop\Leon.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\leon.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
8212C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
Total events
4 684
Read events
4 680
Write events
3
Delete events
1

Modification events

(PID) Process:(7120) Leon.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:LAN Host
Value:
C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exe
(PID) Process:(8212) slui.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3d\52C64B7E
Operation:writeName:@%SystemRoot%\System32\sppcomapi.dll,-3200
Value:
Software Licensing
(PID) Process:(5376) Leon.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:LAN Host
Value:
C:\Program Files (x86)\LAN Host\lanhost.exe
(PID) Process:(5376) Leon.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:LAN Host
Value:
C:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exe
Executable files
2
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
7120Leon.exeC:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\run.dattext
MD5:DF861CCCA42C966EAA5AC141574AFF33
SHA256:A85C20838AD5A30B820A49B63BEA23D8AA5491E4891EA2A4C63B2E3C08766207
5376Leon.exeC:\Program Files (x86)\LAN Host\lanhost.exeexecutable
MD5:07774A2C6B1D8430666D1D314C363F69
SHA256:5EB4C9E5099FD47511D7E427514E92BE2A2C2C7659BD73EB15B72B4CABA16B2E
7120Leon.exeC:\Users\admin\AppData\Roaming\BB926E54-E3CA-40FD-AE90-2764341E7792\LAN Host\lanhost.exeexecutable
MD5:07774A2C6B1D8430666D1D314C363F69
SHA256:5EB4C9E5099FD47511D7E427514E92BE2A2C2C7659BD73EB15B72B4CABA16B2E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
79
TCP/UDP connections
54
DNS requests
17
Threats
26

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5276
MoUsoCoreWorker.exe
GET
304
57.153.246.3:443
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
2320
svchost.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
US
binary
814 b
whitelisted
2320
svchost.exe
GET
200
2.16.241.19:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
NL
binary
825 b
whitelisted
5276
MoUsoCoreWorker.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
US
binary
814 b
whitelisted
9108
svchost.exe
POST
200
192.168.1.2:443
https://login.live.com/RST2.srf
unknown
—
—
whitelisted
9108
svchost.exe
POST
200
40.126.31.0:443
https://login.live.com/RST2.srf
US
xml
1.24 Kb
whitelisted
9108
svchost.exe
POST
400
192.168.1.2:443
https://login.live.com/ppsecure/deviceaddcredential.srf
unknown
—
—
whitelisted
9108
svchost.exe
POST
400
40.126.31.0:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
text
204 b
whitelisted
—
—
POST
400
192.168.1.2:443
https://login.live.com/ppsecure/deviceaddcredential.srf
unknown
text
204 b
whitelisted
9108
svchost.exe
POST
400
40.126.31.0:443
https://login.live.com/ppsecure/deviceaddcredential.srf
US
text
204 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
Not routed
—
whitelisted
5276
MoUsoCoreWorker.exe
57.153.246.3:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
9208
slui.exe
48.192.1.65:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
2320
svchost.exe
57.153.246.3:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4
System
192.168.100.255:138
—
Not routed
—
whitelisted
2320
svchost.exe
2.16.241.19:80
crl.microsoft.com
AKAMAI-ASN1
NL
whitelisted
2320
svchost.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
5276
MoUsoCoreWorker.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
3428
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
9108
svchost.exe
40.126.31.0:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
activation-v2.sls.microsoft.com
  • 48.192.1.65
whitelisted
crl.microsoft.com
  • 2.16.241.19
  • 2.16.241.12
  • 23.48.23.143
  • 23.48.23.166
whitelisted
google.com
  • 142.251.14.139
  • 142.251.14.102
  • 142.251.14.100
  • 142.251.14.113
  • 142.251.14.101
  • 142.251.14.138
whitelisted
www.microsoft.com
  • 88.221.169.152
  • 23.52.181.212
whitelisted
settings-win.data.microsoft.com
  • 57.153.246.3
  • 48.209.138.168
whitelisted
login.live.com
  • 40.126.31.0
  • 40.126.31.71
  • 40.126.31.128
  • 20.190.159.23
  • 40.126.31.129
  • 20.190.159.131
  • 20.190.159.64
  • 20.190.159.68
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
slscr.update.microsoft.com
  • 135.232.92.137
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 135.233.95.135
whitelisted
self.events.data.microsoft.com
  • 51.105.71.137
whitelisted

Threats

PID
Process
Class
Message
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
5376
Leon.exe
Malware Command and Control Activity Detected
ET MALWARE NanoCore RAT CnC 7
No debug info
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Reports
Leon.exe