File name:

PDFonlineseguro.exe

Full analysis: https://app.any.run/tasks/5628d9c7-9895-48fe-8f7f-7a8834f3dedf
Verdict: Malicious activity
Analysis date: January 10, 2025, 10:43:22
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
netreactor
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

FDDCC6DB43B7AEA103C315249BC12BBE

SHA1:

97F3CE1E1008DEEF73AED1D4F58BF184146AD243

SHA256:

BF836B14F236CCE4CECD3B261B4E9B3F2F159AC9661CC2BF351E3533A7E8E5EB

SSDEEP:

98304:DMrNXQ6rHW4w/DBDLvzu3cd5XBVb36amB7iIpG421s7MQ4Jv+:P9c

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

      • PDFonlineseguro.exe (PID: 4444)

    • Starts Visual C# compiler

      • PDFonlineseguro.exe (PID: 4444)

  • SUSPICIOUS

    • Connects to unusual port

      • csc.exe (PID: 3988)

  • INFO

    • The sample compiled with english language support

      • PDFonlineseguro.exe (PID: 4444)

    • Reads the machine GUID from the registry

      • csc.exe (PID: 3988)

    • .NET Reactor protector has been detected

      • csc.exe (PID: 3988)

    • Checks supported languages

      • PDFonlineseguro.exe (PID: 4444)
      • csc.exe (PID: 3988)

    • Reads the computer name

      • csc.exe (PID: 3988)
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: 2007:01:30 09:45:54+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 262144
InitializedDataSize: 2068480
UninitializedDataSize: -
EntryPoint: 0xd5c0
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.6.0.1055
ProductVersionNumber: 1.6.0.1055
FileFlagsMask: 0x003f
FileFlags: Private build, Special build
FileOS: Windows NT
ObjectFileType: Driver
FileSubtype: 8
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: -
CompanyName: Trend Micro Inc.
FileDescription: Trend Micro RootkitBuster
FileVersion: 1.6.0.1055
InternalName: RootkitBuster.exe
LegalCopyright: Copyright (C) 2005-2007 Trend Micro Incorporated. All rights reserved.
LegalTrademarks: Copyright (C) Trend Micro Inc.
OriginalFileName: RootkitBuster.exe
PrivateBuild: Build 1055 - 1/30/2007
ProductName: ActiveClean
ProductVersion: 1.6
SpecialBuild: 1055
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
128
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start pdfonlineseguro.exe csc.exe svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
2192C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
3988"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
PDFonlineseguro.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Version:
4.8.9037.0 built by: NET481REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\csc.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\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
4444"C:\Users\admin\AppData\Local\Temp\PDFonlineseguro.exe" C:\Users\admin\AppData\Local\Temp\PDFonlineseguro.exe
explorer.exe
User:
admin
Company:
Trend Micro Inc.
Integrity Level:
MEDIUM
Description:
Trend Micro RootkitBuster
Exit code:
3611307768
Version:
1.6.0.1055
Modules
Images
c:\users\admin\appdata\local\temp\pdfonlineseguro.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
Total events
528
Read events
527
Write events
1
Delete events
0

Modification events

(PID) Process:(4444) PDFonlineseguro.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:NordicVPN
Value:
C:\Users\admin\Documents\NordVPNnetworkTAP\Lang\RemotePCPrinter.exe
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
4444PDFonlineseguro.exeC:\Users\admin\Documents\NordVPNnetworkTAP\Lang\RemotePCPrinter.exe —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
36
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
—
—
GET
200
2.18.121.147:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
4976
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
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
4976
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
3816
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
—
—
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
4
System
192.168.100.255:138
—
—
—
whitelisted
4712
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6092
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SearchApp.exe
104.126.37.153:443
www.bing.com
Akamai International B.V.
DE
whitelisted
—
—
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
—
—
2.18.121.147:80
crl.microsoft.com
AKAMAI-AS
FR
whitelisted
—
—
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
1176
svchost.exe
20.190.160.22:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 20.73.194.208
whitelisted
google.com
  • 142.250.185.110
whitelisted
www.bing.com
  • 104.126.37.153
  • 104.126.37.162
  • 104.126.37.163
  • 104.126.37.155
  • 104.126.37.168
  • 104.126.37.154
  • 104.126.37.160
  • 104.126.37.152
  • 104.126.37.147
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
crl.microsoft.com
  • 2.18.121.147
  • 2.18.121.151
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
login.live.com
  • 20.190.160.22
  • 40.126.32.134
  • 40.126.32.133
  • 20.190.160.20
  • 40.126.32.72
  • 20.190.160.17
  • 40.126.32.68
  • 40.126.32.74
whitelisted
go.microsoft.com
  • 23.35.238.131
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
PDFonlineseguro.exe