File name:

OnlineFix64.dll

Full analysis: https://app.any.run/tasks/e719672e-343d-4699-a89b-6a2abdf21d4c
Verdict: Malicious activity
Analysis date: January 11, 2025, 18:32:54
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
uac
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (DLL) (console) x86-64, for MS Windows, 8 sections
MD5:

42A032C968E9D0C145BF1BFC3B534A26

SHA1:

6907806BD435475F10B285B076888DCD92554689

SHA256:

FDA7A9E6F445B18F4A8DE9A0529188E3E486D0E8844F892A72B730973A63FA6A

SSDEEP:

98304:j7BdrPbTJjiCufYzsKJGhH1wsaOhzASkUALob6z/e8ujy/4tfSndEBRUGQa3vCMH:e5

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

    • Bypass User Account Control (fodhelper)

      • fodhelper.exe (PID: 4716)

    • Bypass User Account Control (Modify registry)

      • rundll32.exe (PID: 4444)

  • SUSPICIOUS

    • Changes default file association

      • rundll32.exe (PID: 4444)

    • Starts CMD.EXE for commands execution

      • rundll32.exe (PID: 4444)

  • INFO

    • Drops encrypted JS script (Microsoft Script Encoder)

      • rundll32.exe (PID: 4444)

    • The process uses the downloaded file

      • cmd.exe (PID: 1512)

    • Reads security settings of Internet Explorer

      • fodhelper.exe (PID: 4716)

    • Drops encrypted VBS script (Microsoft Script Encoder)

      • rundll32.exe (PID: 4444)
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: 0000:00:00 00:00:00
ImageFileCharacteristics: Executable, Large address aware, DLL
PEType: PE32+
LinkerVersion: 3
CodeSize: 5062656
InitializedDataSize: 479744
UninitializedDataSize: -
EntryPoint: 0x4d4ffa
OSVersion: 6.1
ImageVersion: 1
SubsystemVersion: 6.1
Subsystem: Windows command line
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
127
Monitored processes
7
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start rundll32.exe no specs cmd.exe no specs conhost.exe no specs fodhelper.exe no specs fodhelper.exe no specs fodhelper.exe rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1512cmd.exe /C fodhelperC:\Windows\System32\cmd.exe—rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
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\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\bcrypt.dll
2800fodhelperC:\Windows\System32\fodhelper.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Features On Demand Helper
Exit code:
3221226540
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\fodhelper.exe
c:\windows\system32\ntdll.dll
3612"C:\WINDOWS\system32\fodhelper.exe" C:\Windows\System32\fodhelper.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Features On Demand Helper
Exit code:
3221226540
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\fodhelper.exe
c:\windows\system32\ntdll.dll
3988"C:\WINDOWS\System32\rundll32.exe" C:\Windows\System32\rundll32.exe—fodhelper.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
4444"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\Desktop\OnlineFix64.dll, #1C:\Windows\System32\rundll32.exe—explorer.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
4556\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.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
4716"C:\WINDOWS\system32\fodhelper.exe" C:\Windows\System32\fodhelper.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Features On Demand Helper
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\fodhelper.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\combase.dll
Total events
833
Read events
828
Write events
4
Delete events
1

Modification events

(PID) Process:(4444) rundll32.exeKey:HKEY_CLASSES_ROOT\ms-settings\shell\open\command
Operation:writeName:DelegateExecute
Value:
(PID) Process:(4716) fodhelper.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(4716) fodhelper.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(4716) fodhelper.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(4444) rundll32.exeKey:HKEY_CLASSES_ROOT\ms-settings\shell\open\command
Operation:delete valueName:DelegateExecute
Value:
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
21
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4804
RUXIMICS.exe
GET
200
2.16.241.12:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
3220
svchost.exe
GET
200
2.16.241.12:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
4804
RUXIMICS.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
3220
svchost.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
2.23.246.101:80
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
4804
RUXIMICS.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4712
MoUsoCoreWorker.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
3220
svchost.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
2.23.227.208:443
www.bing.com
Ooredoo Q.S.C.
QA
whitelisted
3220
svchost.exe
2.16.241.12:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4804
RUXIMICS.exe
2.16.241.12:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
3220
svchost.exe
2.23.246.101:80
www.microsoft.com
Ooredoo Q.S.C.
QA
whitelisted
4804
RUXIMICS.exe
2.23.246.101:80
www.microsoft.com
Ooredoo Q.S.C.
QA
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 2.23.227.208
  • 2.23.227.215
whitelisted
google.com
  • 142.250.185.142
whitelisted
crl.microsoft.com
  • 2.16.241.12
  • 2.16.241.19
whitelisted
www.microsoft.com
  • 2.23.246.101
whitelisted
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
self.events.data.microsoft.com
  • 40.79.150.120
whitelisted

Threats

No threats detected
No debug info
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Reports
OnlineFix64.dll