File name:

jarfix.exe

Full analysis: https://app.any.run/tasks/3cab0ea0-375c-447d-9d7c-8b910246131c
Verdict: Malicious activity
Analysis date: July 04, 2025, 10:00:15
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections
MD5:

562FFC6D21FB467401754301A8D826EE

SHA1:

2173672223BAA5B34C14A6CF080A7D18EEE5921E

SHA256:

9044DAC3C977C6AC561C24CDEB2073A8967E563916943EEA10367A56EC5E7ECE

SSDEEP:

768:dwdk1aQk/MxBzLM3PrZS/Sd2bX7P+LPOFyVtMnJoieSqZhhSEflDG2regRwuF:W69IMxWflSQ2T7P+MnJ1uhhSEfliiwE

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

    No malicious indicators.
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
    • The process creates files with name similar to system file names

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
    • Checks for Java to be installed

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 4916)
    • Malware-specific behavior (creating "System.dll" in Temp)

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
  • INFO

    • Checks supported languages

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
    • Create files in a temporary directory

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
    • Reads the computer name

      • jarfix.exe (PID: 5712)
      • jarfix.exe (PID: 4916)
    • Manual execution by a user

      • jarfix.exe (PID: 2180)
      • jarfix.exe (PID: 2148)
      • jarfix.exe (PID: 4916)
      • jarfix.exe (PID: 1944)
    • Reads Microsoft Office registry keys

      • OpenWith.exe (PID: 4860)
    • Checks proxy server information

      • slui.exe (PID: 4808)
    • Reads the software policy settings

      • slui.exe (PID: 4808)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:12:05 22:50:46+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 23552
InitializedDataSize: 119808
UninitializedDataSize: 1024
EntryPoint: 0x323c
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
152
Monitored processes
9
Malicious processes
0
Suspicious processes
2

Behavior graph

Click at the process to see the details
start jarfix.exe rundll32.exe no specs jarfix.exe no specs jarfix.exe openwith.exe no specs jarfix.exe no specs jarfix.exe slui.exe jarfix.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1944"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
2148"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
2
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.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\user32.dll
2180"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
4808C:\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
4860C:\WINDOWS\system32\OpenWith.exe -EmbeddingC:\Windows\System32\OpenWith.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Pick an app
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\openwith.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\ucrtbase.dll
4916"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
2
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.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\user32.dll
5712"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
2
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.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\user32.dll
5808"C:\Users\admin\AppData\Local\Temp\jarfix.exe" C:\Users\admin\AppData\Local\Temp\jarfix.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\jarfix.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
7104C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\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
Total events
1 757
Read events
1 743
Write events
2
Delete events
12

Modification events

(PID) Process:(5712) jarfix.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jar\OpenWithProgids
Operation:writeName:jarfile
Value:
(PID) Process:(5712) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.jar
Operation:delete keyName:(default)
Value:
(PID) Process:(5712) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jarfile\shell\open\command
Operation:delete keyName:(default)
Value:
(PID) Process:(5712) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jarfile\shell\open
Operation:delete keyName:(default)
Value:
(PID) Process:(5712) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jarfile\shell
Operation:delete keyName:(default)
Value:
(PID) Process:(5712) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jarfile
Operation:delete keyName:(default)
Value:
(PID) Process:(4916) jarfix.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jar\OpenWithProgids
Operation:delete keyName:(default)
Value:
(PID) Process:(4916) jarfix.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jar
Operation:delete keyName:(default)
Value:
(PID) Process:(4916) jarfix.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jar\OpenWithProgids
Operation:writeName:jarfile
Value:
(PID) Process:(4916) jarfix.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.jar
Operation:delete keyName:(default)
Value:
Executable files
5
Suspicious files
0
Text files
0
Unknown types
3

Dropped files

PID
Process
Filename
Type
2148jarfix.exeC:\Users\admin\AppData\Local\Temp\nscC640.tmp\System.dllexecutable
MD5:C17103AE9072A06DA581DEC998343FC1
SHA256:DC58D8AD81CACB0C1ED72E33BFF8F23EA40B5252B5BB55D393A0903E6819AE2F
5712jarfix.exeC:\Users\admin\AppData\Local\Temp\nsj4C4C.tmppcx
MD5:BCA3F36C4800B3A6E48EA8B30FC15D70
SHA256:00D52147D27553CB79EB420687D1F359C94F2DE97569FC31B693966E39E9D9C6
4916jarfix.exeC:\Users\admin\AppData\Local\Temp\nsd1615.tmp\UserInfo.dllexecutable
MD5:7579ADE7AE1747A31960A228CE02E666
SHA256:564C80DEC62D76C53497C40094DB360FF8A36E0DC1BDA8383D0F9583138997F5
4916jarfix.exeC:\Users\admin\AppData\Local\Temp\nsd1614.tmppcx
MD5:BCA3F36C4800B3A6E48EA8B30FC15D70
SHA256:00D52147D27553CB79EB420687D1F359C94F2DE97569FC31B693966E39E9D9C6
5712jarfix.exeC:\Users\admin\AppData\Local\Temp\nsj4C4D.tmp\System.dllexecutable
MD5:C17103AE9072A06DA581DEC998343FC1
SHA256:DC58D8AD81CACB0C1ED72E33BFF8F23EA40B5252B5BB55D393A0903E6819AE2F
4916jarfix.exeC:\Users\admin\AppData\Local\Temp\nsd1615.tmp\System.dllexecutable
MD5:C17103AE9072A06DA581DEC998343FC1
SHA256:DC58D8AD81CACB0C1ED72E33BFF8F23EA40B5252B5BB55D393A0903E6819AE2F
5712jarfix.exeC:\Users\admin\AppData\Local\Temp\nsj4C4D.tmp\UserInfo.dllexecutable
MD5:7579ADE7AE1747A31960A228CE02E666
SHA256:564C80DEC62D76C53497C40094DB360FF8A36E0DC1BDA8383D0F9583138997F5
2148jarfix.exeC:\Users\admin\AppData\Local\Temp\nscC63F.tmppcx
MD5:BCA3F36C4800B3A6E48EA8B30FC15D70
SHA256:00D52147D27553CB79EB420687D1F359C94F2DE97569FC31B693966E39E9D9C6
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
26
DNS requests
20
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4320
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
2940
svchost.exe
GET
200
2.23.197.184:80
http://x1.c.lencr.org/
unknown
whitelisted
2388
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
2388
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
1268
svchost.exe
GET
200
23.216.77.35:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1268
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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
4
System
192.168.100.255:137
whitelisted
5944
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1268
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2072
RUXIMICS.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
1268
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1268
svchost.exe
23.216.77.35:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
1268
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4320
svchost.exe
20.190.160.132:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4320
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 51.104.136.2
whitelisted
google.com
  • 142.250.184.206
whitelisted
crl.microsoft.com
  • 23.216.77.35
  • 23.216.77.37
  • 23.216.77.21
  • 23.216.77.36
  • 23.216.77.39
  • 23.216.77.11
  • 23.216.77.8
  • 23.216.77.17
  • 23.216.77.18
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
login.live.com
  • 20.190.160.132
  • 20.190.160.131
  • 20.190.160.22
  • 20.190.160.17
  • 40.126.32.136
  • 40.126.32.76
  • 20.190.160.20
  • 40.126.32.140
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
client.wns.windows.com
  • 172.211.123.250
  • 172.211.123.248
whitelisted
nexusrules.officeapps.live.com
  • 52.111.243.29
whitelisted
slscr.update.microsoft.com
  • 20.109.210.53
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 13.85.23.206
whitelisted

Threats

No threats detected
No debug info