File name:

ntoskrnl.exe

Full analysis: https://app.any.run/tasks/9d6edad3-ebcd-400e-866e-f73b79ade43c
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.

Malware Trends Tracker     >>>
Analysis date: April 21, 2025, 17:52:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
asyncrat
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

5618B6BA6E74AC356D403022B24ABDEA

SHA1:

D385CF7A0A8FEBE06F9ADFCDD4BF22EBD50C7348

SHA256:

7BCB6827F59FE8C33BF687901C2C2C7486D2E8C570ECE4A88F1AB4CDDB2C5165

SSDEEP:

1536:ybWwowH89DsJkRaKpcD15b/iJKvvgsmww:ybWwowH89DsicD15b/DZw

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

      • ntoskrnl.exe (PID: 2060)

    • ASYNCRAT has been detected (YARA)

      • ntoskrnl.exe (PID: 2360)

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • ntoskrnl.exe (PID: 2060)

    • Starts a Microsoft application from unusual location

      • ntoskrnl.exe (PID: 2060)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 2692)

    • Executable content was dropped or overwritten

      • ntoskrnl.exe (PID: 2060)

    • Starts CMD.EXE for commands execution

      • ntoskrnl.exe (PID: 2060)

    • The executable file from the user directory is run by the CMD process

      • ntoskrnl.exe (PID: 2360)

    • Executing commands from a ".bat" file

      • ntoskrnl.exe (PID: 2060)

    • Connects to unusual port

      • ntoskrnl.exe (PID: 2360)

  • INFO

    • Reads the computer name

      • ntoskrnl.exe (PID: 2060)
      • ntoskrnl.exe (PID: 2360)

    • Checks supported languages

      • ntoskrnl.exe (PID: 2060)
      • ntoskrnl.exe (PID: 2360)

    • Reads the machine GUID from the registry

      • ntoskrnl.exe (PID: 2060)
      • ntoskrnl.exe (PID: 2360)

    • Creates files or folders in the user directory

      • ntoskrnl.exe (PID: 2060)

    • Create files in a temporary directory

      • ntoskrnl.exe (PID: 2060)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(2360) ntoskrnl.exe
C2 (1)0.tcp.ngrok.io
Ports (1)14530
Version0.5.8
BotnetDefault
Options
AutoRuntrue
Mutexh0kJRa5OShSV
InstallFolder%AppData%
BSoDtrue
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAIHcyTEvA3IWzzXtjL1ZITANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwNDE5MTczNTUzWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKYX1eNqln8zSK0PB2rbgtUR8EPgzv7kqvgKPaNGNvAIWCDLZSZcuZgB4oPq3Byc38EuAVspw0AZ...
Server_SignatureCzcBNJbNLpByMzMxTmigxzzUnmx3jm6rby5Dk5VNCzFeCGItfBrU6yMJ/8m+NOUyIPce0zsd12luCmdXxBfpufm0bpJ/bVVhgLVmUSj5qHpadcS8+GhOHm3XtiBLe+2qsgTuovc0ZDUjUTWabRs2J6qf7kgbEnJ2oaHf+eqsyx0HbyNbs1hPzPbgyda+grLttDRG3fkVkwM8nxB1Ye7Had3Rc/5zMOFTJZPz6SwiwsTHr84UCgAG7nIuLBv6wsTm2CO7sjn1XxckNzl/sd6QxJaVR5I5iiBy9wMgh+X39Egv...
Keys
AESc505d14b05966609cc777ded8a26e16238b786bb2f6e56900e72bc7a30c973e7
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

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: 45568
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0xd03e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 6.2.26100.3775
ProductVersionNumber: 6.2.26100.3775
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: Microsoft Corporation
FileDescription: NT Kernel & System
FileVersion: 6.2.26100.3775
InternalName: ntkrnlmp.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
LegalTrademarks: -
OriginalFileName: ntkrnlmp.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.2.26100.3775
AssemblyVersion: 6.2.26100.3775
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start ntoskrnl.exe cmd.exe no specs timeout.exe no specs #ASYNCRAT ntoskrnl.exe

Process information

PID
CMD
Path
Indicators
Parent process
2060"C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe" C:\Users\admin\AppData\Local\Temp\ntoskrnl.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
NT Kernel & System
Exit code:
0
Version:
6.2.26100.3775
Modules
Images
c:\users\admin\appdata\local\temp\ntoskrnl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2360"C:\Users\admin\AppData\Roaming\ntoskrnl.exe" C:\Users\admin\AppData\Roaming\ntoskrnl.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
NT Kernel & System
Version:
6.2.26100.3775
Modules
Images
c:\users\admin\appdata\roaming\ntoskrnl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
AsyncRat
(PID) Process(2360) ntoskrnl.exe
C2 (1)0.tcp.ngrok.io
Ports (1)14530
Version0.5.8
BotnetDefault
Options
AutoRuntrue
Mutexh0kJRa5OShSV
InstallFolder%AppData%
BSoDtrue
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAIHcyTEvA3IWzzXtjL1ZITANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwNDE5MTczNTUzWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKYX1eNqln8zSK0PB2rbgtUR8EPgzv7kqvgKPaNGNvAIWCDLZSZcuZgB4oPq3Byc38EuAVspw0AZ...
Server_SignatureCzcBNJbNLpByMzMxTmigxzzUnmx3jm6rby5Dk5VNCzFeCGItfBrU6yMJ/8m+NOUyIPce0zsd12luCmdXxBfpufm0bpJ/bVVhgLVmUSj5qHpadcS8+GhOHm3XtiBLe+2qsgTuovc0ZDUjUTWabRs2J6qf7kgbEnJ2oaHf+eqsyx0HbyNbs1hPzPbgyda+grLttDRG3fkVkwM8nxB1Ye7Had3Rc/5zMOFTJZPz6SwiwsTHr84UCgAG7nIuLBv6wsTm2CO7sjn1XxckNzl/sd6QxJaVR5I5iiBy9wMgh+X39Egv...
Keys
AESc505d14b05966609cc777ded8a26e16238b786bb2f6e56900e72bc7a30c973e7
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
2364timeout 3 C:\Windows\System32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
2692C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp23EE.tmp.bat""C:\Windows\System32\cmd.exe—ntoskrnl.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
670
Read events
641
Write events
29
Delete events
0

Modification events

(PID) Process:(2060) ntoskrnl.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2060) ntoskrnl.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:ntoskrnl
Value:
"C:\Users\admin\AppData\Roaming\ntoskrnl.exe"
(PID) Process:(2360) ntoskrnl.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2060ntoskrnl.exeC:\Users\admin\AppData\Local\Temp\tmp23EE.tmp.battext
MD5:A1CF3F56A706AA7D48BAD250B03EB5BA
SHA256:04CA67913277608E906356FCAFF7D4952F50818B6C849F6E3A570448632974F3
2060ntoskrnl.exeC:\Users\admin\AppData\Roaming\ntoskrnl.exeexecutable
MD5:5618B6BA6E74AC356D403022B24ABDEA
SHA256:7BCB6827F59FE8C33BF687901C2C2C7486D2E8C570ECE4A88F1AB4CDDB2C5165
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
30
DNS requests
2
Threats
1

HTTP requests

No HTTP requests
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
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2360
ntoskrnl.exe
18.190.63.84:14530
0.tcp.ngrok.io
AMAZON-02
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.238
whitelisted
0.tcp.ngrok.io
  • 18.190.63.84
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
No debug info
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Reports
ntoskrnl.exe