File name:

PuTTY.exe

Full analysis: https://app.any.run/tasks/67235c96-d66b-4e8f-a4a4-4cd6dfc2edee
Verdict: Malicious activity
Analysis date: June 12, 2025, 22:36:19
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (console) x86-64, for MS Windows, 6 sections
MD5:

47D8FA90485FA8E4DF338FB8858E4742

SHA1:

9133A1E657857379AF2BE805510E5E2A387D5813

SHA256:

F60B2C3EC0C0C79AD5E9EF3E6CAE702585780F9A33AD21B7E0324E1EFFF2878C

SSDEEP:

12288:z5ybjxXBT6Flu1IJiCCm9PZcUFlaBs7qiGqpeON:zYb2uGJXCo5k2gON

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

    • Uses Task Scheduler to run other applications

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 420)
  • SUSPICIOUS

    • There is functionality for taking screenshot (YARA)

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 5716)
      • PuTTY.exe (PID: 420)
      • rundll32.exe (PID: 6684)
    • Uses RUNDLL32.EXE to load library

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 420)
    • Reads security settings of Internet Explorer

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 5716)
      • PuTTY.exe (PID: 420)
    • The process executes via Task Scheduler

      • rundll32.exe (PID: 2876)
      • rundll32.exe (PID: 1100)
      • rundll32.exe (PID: 4168)
    • Executable content was dropped or overwritten

      • PuTTY.exe (PID: 420)
      • PuTTY.exe (PID: 5616)
    • Connects to the server without a host name

      • rundll32.exe (PID: 6684)
  • INFO

    • Checks supported languages

      • PuTTY.exe (PID: 5716)
      • PuTTY.exe (PID: 420)
      • PuTTY.exe (PID: 5616)
    • Manual execution by a user

      • PuTTY.exe (PID: 420)
      • PuTTY.exe (PID: 5716)
    • Reads the computer name

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 5716)
      • PuTTY.exe (PID: 420)
    • Creates files or folders in the user directory

      • PuTTY.exe (PID: 5616)
      • rundll32.exe (PID: 6684)
      • PuTTY.exe (PID: 420)
    • Checks proxy server information

      • PuTTY.exe (PID: 5616)
      • rundll32.exe (PID: 6684)
      • PuTTY.exe (PID: 5716)
      • PuTTY.exe (PID: 420)
      • slui.exe (PID: 4216)
    • Launching a file from Task Scheduler

      • PuTTY.exe (PID: 5616)
      • PuTTY.exe (PID: 420)
    • Reads the software policy settings

      • slui.exe (PID: 4216)
    • Reads security settings of Internet Explorer

      • rundll32.exe (PID: 6684)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2025:06:13 02:12:10+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32+
LinkerVersion: 14.43
CodeSize: 542720
InitializedDataSize: 56320
UninitializedDataSize: -
EntryPoint: 0x770ec
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows command line
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
162
Monitored processes
16
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start putty.exe conhost.exe no specs putty.exe conhost.exe no specs slui.exe putty.exe conhost.exe no specs rundll32.exe schtasks.exe no specs schtasks.exe no specs rundll32.exe no specs rundll32.exe no specs schtasks.exe no specs schtasks.exe no specs rundll32.exe no specs rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
420"C:\Users\admin\Desktop\PuTTY.exe" C:\Users\admin\Desktop\PuTTY.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\putty.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
1100"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Roaming\H41jwdp0Zv6y¿\twain_96.dll DllRegisterServerC:\Windows\System32\rundll32.exesvchost.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
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
1324\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exePuTTY.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
1880C:\WINDOWS\System32\schtasks.exe /Create /SC MINUTE /MO 3 /TN "Security Updater" /TR "C:\WINDOWS\System32\rundll32.exe C:\Users\admin\AppData\Roaming\H41jwdp0Zv6y¿\twain_96.dll DllRegisterServer"C:\Windows\System32\schtasks.exePuTTY.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
2348C:\WINDOWS\System32\schtasks.exe /Create /SC MINUTE /MO 3 /TN "Security Updater" /TR "C:\WINDOWS\System32\rundll32.exe C:\Users\admin\AppData\Roaming\ueosSEgc9wRHF\twain_96.dll DllRegisterServer"C:\Windows\System32\schtasks.exePuTTY.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
2876"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Roaming\H41jwdp0Zv6y¿\twain_96.dll DllRegisterServerC:\Windows\System32\rundll32.exesvchost.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
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
3092C:\WINDOWS\System32\schtasks.exe /run /tn "Security Updater"C:\Windows\System32\schtasks.exePuTTY.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
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
3936\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exePuTTY.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
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
4168"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Roaming\H41jwdp0Zv6y¿\twain_96.dll DllRegisterServerC:\Windows\System32\rundll32.exesvchost.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
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
4216C:\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
2 306
Read events
2 294
Write events
12
Delete events
0

Modification events

(PID) Process:(5616) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(5616) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(5616) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(6684) rundll32.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(6684) rundll32.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(6684) rundll32.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(5716) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(5716) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(5716) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(420) PuTTY.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
Executable files
2
Suspicious files
0
Text files
4
Unknown types
0

Dropped files

PID
Process
Filename
Type
5616PuTTY.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\login[1].icoimage
MD5:BB134CA5E61D43BBD203C377B434C541
SHA256:645486E9F8694B8CDA84B6B66F748814E8A1B4A0FE8128B30459AEE008DB85D3
6684rundll32.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\secure[1].icoimage
MD5:E131DAA9710A51BCC8EF4490AB99F420
SHA256:25599852B17539E6A23D2E4F64EB734D0C260E5284E191BCC77EC78B827BBE00
5616PuTTY.exeC:\Users\admin\AppData\Roaming\H41jwdp0Zv6y¿\twain_96.dllexecutable
MD5:F3B42AF1DEA239BEFD2CCE9AC953865A
SHA256:E9E5311FBF76EEA22C42DAA381074FEECB745020DB473184E6236F9A08816925
420PuTTY.exeC:\Users\admin\AppData\Roaming\ueosSEgc9wRHF\twain_96.dllexecutable
MD5:F3B42AF1DEA239BEFD2CCE9AC953865A
SHA256:E9E5311FBF76EEA22C42DAA381074FEECB745020DB473184E6236F9A08816925
420PuTTY.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\login[2].icoimage
MD5:BB134CA5E61D43BBD203C377B434C541
SHA256:645486E9F8694B8CDA84B6B66F748814E8A1B4A0FE8128B30459AEE008DB85D3
420PuTTY.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\E4DJRUXW\reg[1].txttext
MD5:260CA9DD8A4577FC00B7BD5810298076
SHA256:AEE408847D35E44E99430F0979C3357B85FE8DBB4535A494301198ADBEE85F27
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
51
DNS requests
24
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1268
svchost.exe
GET
200
2.16.168.124:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1268
svchost.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
6800
SIHClient.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
6800
SIHClient.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
5848
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
6684
rundll32.exe
GET
200
185.196.8.217:80
http://185.196.8.217/api/kcehc
unknown
unknown
5328
SearchApp.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
6684
rundll32.exe
POST
200
185.196.8.217:80
http://185.196.8.217/api/kcehc
unknown
unknown
2940
svchost.exe
GET
200
2.16.252.233:80
http://x1.c.lencr.org/
unknown
whitelisted
6684
rundll32.exe
POST
200
185.196.8.217:80
http://185.196.8.217/api/jgfnsfnuefcnegfnehjbfncejfh
unknown
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1268
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
5944
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2792
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
1268
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1268
svchost.exe
2.16.168.124:80
crl.microsoft.com
Akamai International B.V.
RU
whitelisted
1268
svchost.exe
23.219.150.101:80
www.microsoft.com
AKAMAI-AS
CL
whitelisted
5944
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6800
SIHClient.exe
20.12.23.50:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.78
whitelisted
crl.microsoft.com
  • 2.16.168.124
  • 2.16.168.114
whitelisted
www.microsoft.com
  • 23.219.150.101
  • 2.23.181.156
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.242.39.171
whitelisted
login.live.com
  • 40.126.31.0
  • 20.190.159.2
  • 40.126.31.69
  • 20.190.159.131
  • 40.126.31.73
  • 40.126.31.71
  • 40.126.31.67
  • 20.190.159.129
  • 40.126.31.129
  • 40.126.31.128
  • 20.190.159.64
  • 40.126.31.130
whitelisted
ocsp.digicert.com
  • 2.23.77.188
  • 184.30.131.245
whitelisted
client.wns.windows.com
  • 172.211.123.249
  • 172.211.123.250
whitelisted
www.bing.com
  • 2.19.96.107
  • 2.19.96.128
whitelisted

Threats

PID
Process
Class
Message
5616
PuTTY.exe
Potentially Bad Traffic
ET INFO HTTP traffic on port 443 (POST)
No debug info