File name:

svhost.exe

Full analysis: https://app.any.run/tasks/4c8df13a-a98e-44c9-b7ff-2c0317bd4596
Verdict: Malicious activity
Threats:

Lynx is a double extortion ransomware: attackers encrypt important and sensitive data and demand a ransom for decryption simultaneously threatening to publish or sell the data. Active since mid-2024. Among techniques are terminating processes and services, privilege escalation, deleting shadow copies. Distribution by phishing, malvertising, exploiting vulnerabilities.

Analysis date: January 20, 2025, 04:47:52
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
lynx
ransomware
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (console) Intel 80386, for MS Windows, 4 sections
MD5:

67A44A38CC36BECD6E2E9C20C27FD9AD

SHA1:

3DD215876039EBEE144E18ECB84D8702697DB94B

SHA256:

80908A51E403EFD47B1D3689C3FB9447D3FB962D691D856B8B97581EEFC0C441

SSDEEP:

3072:jBBDFFFiZlsEzKbLhbJ3zbFli4YU+kIQu42JB3p+frug1swxtMKzO4XY8PHm3P:ClN+RNVlv+8u42z3p+frdbRG3P

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

    • LYNX has been detected

      • svhost.exe (PID: 6252)
    • RANSOMWARE has been detected

      • svhost.exe (PID: 6252)
    • Renames files like ransomware

      • svhost.exe (PID: 6252)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • svhost.exe (PID: 6252)
    • There is functionality for taking screenshot (YARA)

      • svhost.exe (PID: 6252)
    • Executes as Windows Service

      • FXSSVC.exe (PID: 6508)
    • Reads security settings of Internet Explorer

      • ONENOTE.EXE (PID: 6540)
    • Checks Windows Trust Settings

      • ONENOTE.EXE (PID: 6540)
    • Reads the date of Windows installation

      • ONENOTE.EXE (PID: 6540)
  • INFO

    • Reads the machine GUID from the registry

      • svhost.exe (PID: 6252)
      • ONENOTE.EXE (PID: 6540)
    • Creates files in the program directory

      • svhost.exe (PID: 6252)
    • Reads the computer name

      • svhost.exe (PID: 6252)
    • Checks supported languages

      • svhost.exe (PID: 6252)
      • ONENOTE.EXE (PID: 6540)
    • Creates files or folders in the user directory

      • svhost.exe (PID: 6252)
      • printfilterpipelinesvc.exe (PID: 6332)
      • ONENOTE.EXE (PID: 6540)
    • Create files in a temporary directory

      • svhost.exe (PID: 6252)
      • ONENOTE.EXE (PID: 6540)
    • Disables trace logs

      • FXSSVC.exe (PID: 6508)
    • Reads Microsoft Office registry keys

      • ONENOTE.EXE (PID: 6540)
    • Reads Environment values

      • ONENOTE.EXE (PID: 6540)
    • Reads product name

      • ONENOTE.EXE (PID: 6540)
    • Reads the software policy settings

      • ONENOTE.EXE (PID: 6540)
    • Checks proxy server information

      • ONENOTE.EXE (PID: 6540)
    • Process checks computer location settings

      • ONENOTE.EXE (PID: 6540)
    • Sends debugging messages

      • ONENOTE.EXE (PID: 6540)
    • Reads CPU info

      • ONENOTE.EXE (PID: 6540)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:12:21 11:37:45+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.37
CodeSize: 120832
InitializedDataSize: 49664
UninitializedDataSize: -
EntryPoint: 0xa341
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows command line
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
137
Monitored processes
5
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start #LYNX svhost.exe conhost.exe no specs printfilterpipelinesvc.exe no specs fxssvc.exe no specs onenote.exe

Process information

PID
CMD
Path
Indicators
Parent process
6252"C:\Users\admin\AppData\Local\Temp\svhost.exe" C:\Users\admin\AppData\Local\Temp\svhost.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\svhost.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\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\crypt32.dll
6260\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exesvhost.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
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6332C:\WINDOWS\system32\printfilterpipelinesvc.exe -EmbeddingC:\Windows\System32\printfilterpipelinesvc.exesvchost.exe
User:
LOCAL SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Print Filter Pipeline Host
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\printfilterpipelinesvc.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
6508C:\WINDOWS\system32\fxssvc.exeC:\Windows\System32\FXSSVC.exeservices.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Fax Service
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\fxssvc.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\shlwapi.dll
6540/insertdoc "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\{658CFE47-B73D-4723-B97F-2A7D73061A87}.xps" 133818221069950000C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
printfilterpipelinesvc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft OneNote
Version:
16.0.16026.20146
Modules
Images
c:\program files\microsoft office\root\office16\onenote.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\ole32.dll
c:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
Total events
11 079
Read events
10 848
Write events
219
Delete events
12

Modification events

(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts
Operation:writeName:Server
Value:
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts
Operation:writeName:From
Value:
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts
Operation:writeName:User
Value:
(PID) Process:(6252) svhost.exeKey:HKEY_CURRENT_USER\Control Panel\Desktop
Operation:writeName:Wallpaper
Value:
C:\Users\admin\AppData\Local\Temp\\background-image.jpg
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax
Operation:writeName:RedirectionGuard
Value:
1
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts
Operation:writeName:Password
Value:
00
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Receipts
Operation:delete valueName:Password
Value:
(PID) Process:(6508) FXSSVC.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fax\Security
Operation:writeName:Descriptor
Value:
010004805C000000680000000000000014000000020048000300000000001800E7020E000102000000000005200000002002000000001400030002000101000000000001000000000000140027020200010100000000000504000000010100000000000514000000010100000000000514000000
(PID) Process:(6540) ONENOTE.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:writeName:12
Value:
012C19000000001000B24E9A3E02000000000000000200000000000000
(PID) Process:(6540) ONENOTE.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\ONENOTE\6540
Operation:writeName:0
Value:
0B0E10B7BE8658CCEDB44F97B207168209259723004690B5D1DFE8DEDAED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC9062E225763446C494E41384C537237784C67357549303451703444396E4730426B415A4C6B6C6361656270562B303D22CA0DC2190000C91003783634C5118C33D2120B6F006E0065006E006F00740065002E00650078006500C51620C517808004C91808323231322D44656300
Executable files
6
Suspicious files
717
Text files
176
Unknown types
0

Dropped files

PID
Process
Filename
Type
6252svhost.exeC:\Users\admin\AppData\Local\VirtualStore\ProgramData\Microsoft\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\Temp\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\ARM\S\388\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\ARM\Acrobat_23.001.20093\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\ARM\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\Users\admin\AppData\Local\VirtualStore\ProgramData\Microsoft\AppV\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\Users\admin\AppData\Local\VirtualStore\ProgramData\Microsoft\ClickToRun\MachineData\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\Adobe\ARM\{291AA914-A987-4CE9-BD63-0C0A92D435E5}\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
6252svhost.exeC:\ProgramData\README.txttext
MD5:49F0B18C2FB14CA960F7B46FEFEB4688
SHA256:DB2CDC61651DAC42E9F1305517CFBA42F2BB9AF0193813E8DCE6C95160939C4B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
36
DNS requests
22
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
2.16.164.72:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1176
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
10180
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
10180
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
6540
ONENOTE.EXE
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D
unknown
whitelisted
6444
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
6540
ONENOTE.EXE
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D
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
2.16.164.72:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:137
whitelisted
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
4.231.128.59:443
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
2.21.65.154:443
www.bing.com
Akamai International B.V.
NL
whitelisted
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
4712
MoUsoCoreWorker.exe
4.231.128.59:443
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
1076
svchost.exe
184.28.89.167:443
go.microsoft.com
AKAMAI-AS
US
whitelisted
1176
svchost.exe
20.190.159.73:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
crl.microsoft.com
  • 2.16.164.72
  • 2.16.164.49
whitelisted
www.microsoft.com
  • 95.101.149.131
  • 184.30.21.171
whitelisted
google.com
  • 142.250.185.78
whitelisted
www.bing.com
  • 2.21.65.154
  • 2.21.65.132
whitelisted
ocsp.digicert.com
  • 2.23.77.188
  • 184.30.131.245
  • 2.17.190.73
whitelisted
go.microsoft.com
  • 184.28.89.167
whitelisted
login.live.com
  • 20.190.159.73
  • 20.190.159.71
  • 20.190.159.2
  • 20.190.159.64
  • 20.190.159.0
  • 20.190.159.23
  • 40.126.31.71
  • 40.126.31.73
whitelisted
settings-win.data.microsoft.com
  • 20.73.194.208
  • 51.104.136.2
whitelisted
slscr.update.microsoft.com
  • 20.109.210.53
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.242.39.171
whitelisted

Threats

No threats detected
Process
Message
ONENOTE.EXE
WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
ONENOTE.EXE
WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
ONENOTE.EXE
WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.