File name:

paint.net.4.3.8.install.anycpu.web.exe

Full analysis: https://app.any.run/tasks/d40932be-6115-4cdc-97da-06750ac59194
Verdict: Malicious activity
Analysis date: February 22, 2022, 20:22:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
paintnet
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

DDE9A80C22BF870600F3F4C087460F1A

SHA1:

24A441D41E72D61443928DC7C11F875D75FD9556

SHA256:

477AA007BD7A206AE66F6B1DB1FD7C3E2CE03A14F8EBB2DE9D2F6DDD0DAC3BA1

SSDEEP:

24576:VUYYYYk8Jatbfix4qBmq2B1/qIDIVTqYT9Dk6i8Z9NhY5DO2XIE:VUYYYYk8JFx52BZIdD9Dli8Z9N0Dhn

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

    • Drops executable file immediately after starts

      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)

    • Application was dropped or rewritten from another process

      • SetupShim.exe (PID: 3372)
      • SetupDownloader.exe (PID: 2248)

    • Loads dropped or rewritten executable

      • SetupDownloader.exe (PID: 2248)

    • Changes settings of System certificates

      • SetupDownloader.exe (PID: 2248)

  • SUSPICIOUS

    • Checks supported languages

      • SetupDownloader.exe (PID: 2248)
      • SetupShim.exe (PID: 3372)
      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)

    • Executable content was dropped or overwritten

      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)

    • Drops a file that was compiled in debug mode

      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)

    • Reads the computer name

      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)
      • SetupShim.exe (PID: 3372)
      • SetupDownloader.exe (PID: 2248)

    • Drops a file with a compile date too recent

      • paint.net.4.3.8.install.anycpu.web.exe (PID: 3328)

    • Reads Environment values

      • SetupDownloader.exe (PID: 2248)

    • Adds / modifies Windows certificates

      • SetupDownloader.exe (PID: 2248)

  • INFO

    • Reads settings of System Certificates

      • SetupDownloader.exe (PID: 2248)
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) (76.4)
.exe | Win32 Executable (generic) (12.4)
.exe | Generic Win/DOS Executable (5.5)
.exe | DOS Executable Generic (5.5)

EXIF

EXE

ProductVersion: 4.308.8083.2561
ProductName: paint.net
OriginalFileName: SetupSfx.exe
LegalCopyright: Copyright © 2022 dotPDN LLC, Rick Brewster, and contributors. All Rights Reserved.
InternalName: SetupSfx
FileVersion: 4.308.8083.2561
FileDescription: paint.net Setup
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0017
ProductVersionNumber: 4.308.8083.2561
FileVersionNumber: 4.308.8083.2561
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: -
OSVersion: 6
EntryPoint: 0x37231
UninitializedDataSize: -
InitializedDataSize: 194048
CodeSize: 534528
LinkerVersion: 14.31
PEType: PE32
TimeStamp: 2022:02:17 02:25:29+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Feb-2022 01:25:29
Detected languages:
  • English - United States
Debug artifacts:
  • D:\src\pdn\src_4_3_x\SetupSfx\Release\SetupSfx.pdb
FileDescription: paint.net Setup
FileVersion: 4.308.8083.2561
InternalName: SetupSfx
LegalCopyright: Copyright © 2022 dotPDN LLC, Rick Brewster, and contributors. All Rights Reserved.
OriginalFilename: SetupSfx.exe
ProductName: paint.net
ProductVersion: 4.308.8083.2561

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000108

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 17-Feb-2022 01:25:29
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00082616
0x00082800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.56505
.rdata
0x00084000
0x000119EA
0x00011A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.67076
.data
0x00096000
0x00004AC0
0x00001600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.09598
.rsrc
0x0009B000
0x00013FB8
0x00014000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.57545
.reloc
0x000AF000
0x00004F10
0x00005000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.62714

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.1848
2080
UNKNOWN
English - United States
RT_MANIFEST
2
3.51765
296
UNKNOWN
English - United States
RT_ICON
3
6.11854
2216
UNKNOWN
English - United States
RT_ICON
4
3.7619
1384
UNKNOWN
English - United States
RT_ICON
5
7.99141
57804
UNKNOWN
English - United States
RT_ICON
6
5.14231
9640
UNKNOWN
English - United States
RT_ICON
7
5.27285
4264
UNKNOWN
English - United States
RT_ICON
8
5.09884
1128
UNKNOWN
English - United States
RT_ICON
97
3.20396
242
UNKNOWN
English - United States
RT_DIALOG
188
2.17822
84
UNKNOWN
English - United States
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start paint.net.4.3.8.install.anycpu.web.exe setupshim.exe setupdownloader.exe paint.net.4.3.8.install.anycpu.web.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2248"x86\SetupDownloader\SetupDownloader.exe" /SkipSuccessPrompt "C:\Users\admin\AppData\Local\Temp\7zS00DAAA09\SetupShim.exe" /suppressRebootC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\x86\SetupDownloader\SetupDownloader.exe
SetupShim.exe
User:
admin
Company:
dotPDN LLC
Integrity Level:
HIGH
Description:
paint.net Setup Downloader
Exit code:
0
Version:
4.308.8083.2561
Modules
Images
c:\users\admin\appdata\local\temp\7zs00daaa09\x86\setupdownloader\setupdownloader.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2624"C:\Users\admin\AppData\Local\Temp\paint.net.4.3.8.install.anycpu.web.exe" C:\Users\admin\AppData\Local\Temp\paint.net.4.3.8.install.anycpu.web.exe—Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
paint.net Setup
Exit code:
3221226540
Version:
4.308.8083.2561
Modules
Images
c:\users\admin\appdata\local\temp\paint.net.4.3.8.install.anycpu.web.exe
c:\windows\system32\ntdll.dll
3328"C:\Users\admin\AppData\Local\Temp\paint.net.4.3.8.install.anycpu.web.exe" C:\Users\admin\AppData\Local\Temp\paint.net.4.3.8.install.anycpu.web.exe
Explorer.EXE
User:
admin
Integrity Level:
HIGH
Description:
paint.net Setup
Exit code:
0
Version:
4.308.8083.2561
Modules
Images
c:\users\admin\appdata\local\temp\paint.net.4.3.8.install.anycpu.web.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3372"C:\Users\admin\AppData\Local\Temp\7zS00DAAA09\SetupShim.exe" /suppressRebootC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\SetupShim.exe
paint.net.4.3.8.install.anycpu.web.exe
User:
admin
Integrity Level:
HIGH
Description:
paint.net Setup Bootstrapper
Exit code:
0
Version:
4.308.8083.2561
Modules
Images
c:\users\admin\appdata\local\temp\7zs00daaa09\setupshim.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
Total events
5 243
Read events
5 207
Write events
36
Delete events
0

Modification events

(PID) Process:(3328) paint.net.4.3.8.install.anycpu.web.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3328) paint.net.4.3.8.install.anycpu.web.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3328) paint.net.4.3.8.install.anycpu.web.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3328) paint.net.4.3.8.install.anycpu.web.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2248) SetupDownloader.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\SetupDownloader_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
Executable files
16
Suspicious files
0
Text files
7
Unknown types
0

Dropped files

PID
Process
Filename
Type
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\arm64\SetupDownloader\Newtonsoft.Json.dllexecutable
MD5:283544D7F0173E6B5BFBFBC23D1C2FB0
SHA256:9165E595B3A0DE91AC91A38E742597E12EBB2A5A8FA53058D964A06CEAEF7735
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\arm64\SetupDownloader\ICSharpCode.SharpZipLib.dllexecutable
MD5:C8164876B6F66616D68387443621510C
SHA256:40B3D590F95191F3E33E5D00E534FA40F823D9B1BB2A9AFE05F139C4E0A3AF8D
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\x64\SetupDownloader\SetupDownloader.exeexecutable
MD5:—
SHA256:—
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\arm64\SetupDownloader\AsyncBridge.dllexecutable
MD5:46A3B9624EE066C56D2173019DBF48AC
SHA256:588B5C20B690B6756F0F2A65146D02FEC66058DB698A96694C061C10A33A7C9D
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\x86\SetupDownloader\SetupDownloader.exeexecutable
MD5:—
SHA256:—
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\arm64\SetupDownloader\SetupDownloader.exeexecutable
MD5:—
SHA256:—
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\SetupShim.exeexecutable
MD5:—
SHA256:—
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\arm64\SetupDownloader\SetupDownloader.Configuration.jsontext
MD5:37B5F4ADD19BC808E739E9605240A2BF
SHA256:7905054CB88BB9A83DAA31404217814678BE7C940F4ADDFA4E5E52A4E414CBC6
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\x86\SetupDownloader\ICSharpCode.SharpZipLib.dllexecutable
MD5:C8164876B6F66616D68387443621510C
SHA256:40B3D590F95191F3E33E5D00E534FA40F823D9B1BB2A9AFE05F139C4E0A3AF8D
3328paint.net.4.3.8.install.anycpu.web.exeC:\Users\admin\AppData\Local\Temp\7zS00DAAA09\x64\SetupDownloader\ICSharpCode.SharpZipLib.dllexecutable
MD5:C8164876B6F66616D68387443621510C
SHA256:40B3D590F95191F3E33E5D00E534FA40F823D9B1BB2A9AFE05F139C4E0A3AF8D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
4
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2248
SetupDownloader.exe
208.112.63.123:443
www.getpaint.net
HostMySite
US
unknown
2248
SetupDownloader.exe
208.112.63.116:443
www.dotpdn.com
HostMySite
US
unknown

DNS requests

Domain
IP
Reputation
www.getpaint.net
  • 208.112.63.123
unknown
www.dotpdn.com
  • 208.112.63.116
unknown

Threats

No threats detected
Process
Message
SetupShim.exe
--- paint.net SetupShim starting, lpCmdLine='/suppressReboot', nCmdShow=1
SetupShim.exe
SetupShim.exe
CoInitializeEx() returned 0
SetupShim.exe
SetupShim.exe
GetNativePlatformID: GetNativeSystemInfo() returned wProcessorArchitecture=0
SetupShim.exe
SetupShim.exe
GetNativePlatformID() returned x86
SetupShim.exe
SetupShim.exe
Checking OS requirement
SetupShim.exe
Interactive malware hunting service ANY.RUN
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Reports
paint.net.4.3.8.install.anycpu.web.exe