File name:

SumatraPDF-3.5.2-install.exe

Full analysis: https://app.any.run/tasks/353c21c2-479e-44b8-816e-fc714a67c708
Verdict: Malicious activity
Analysis date: December 13, 2023, 11:25:12
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

B6775D26AFE1E722BCE34636E30A558D

SHA1:

8945D889E9BC5C8C3AEDDA14A3994623D1BA089F

SHA256:

65B514E80E5121D5EC94705B4A94ADF3BF8A6EB6DE58D2707DDD72C3D6D3779D

SSDEEP:

98304:r8PxPLn0pKxyKcOIgH5d8Fa+Y6HFWfKL8lWjlkRlLz6vzIEtvKD5x59RpF0bxUPL:wAufZDE5v4m7gRIdplU

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 the executable file immediately after the start

      • SumatraPDF-3.5.2-install.exe (PID: 2920)

    • Actions looks like stealing of personal data

      • SumatraPDF.exe (PID: 2300)

  • SUSPICIOUS

    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 1352)

    • Searches for installed software

      • SumatraPDF.exe (PID: 2300)

    • Reads the Internet Settings

      • SumatraPDF.exe (PID: 2300)

  • INFO

    • Checks supported languages

      • SumatraPDF-3.5.2-install.exe (PID: 2920)
      • SumatraPDF.exe (PID: 2300)

    • Reads the computer name

      • SumatraPDF-3.5.2-install.exe (PID: 2920)
      • SumatraPDF.exe (PID: 2300)

    • Creates files or folders in the user directory

      • SumatraPDF-3.5.2-install.exe (PID: 2920)
      • SumatraPDF.exe (PID: 2300)

    • Reads CPU info

      • SumatraPDF.exe (PID: 2300)
      • SumatraPDF-3.5.2-install.exe (PID: 2920)

    • Reads the Internet Settings

      • explorer.exe (PID: 1036)

    • Reads the machine GUID from the registry

      • SumatraPDF.exe (PID: 2300)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:10:25 10:12:14+02:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.37
CodeSize: 947712
InitializedDataSize: 6543360
UninitializedDataSize: -
EntryPoint: 0xb786f
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 3.5.2.0
ProductVersionNumber: 3.5.2.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
FileDescription: SumatraPDF
FileVersion: 3.5.2
LegalCopyright: Copyright 2006-2022 all authors (GPLv3)
ProductName: SumatraPDF
ProductVersion: 3.5.2
CompanyName: Krzysztof Kowalczyk
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
4
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start sumatrapdf-3.5.2-install.exe no specs explorer.exe no specs explorer.exe no specs sumatrapdf.exe

Process information

PID
CMD
Path
Indicators
Parent process
1036C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingC:\Windows\explorer.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll
1352"C:\Windows\explorer.exe" "C:\Users\admin\AppData\Local\SumatraPDF\SumatraPDF.exe"C:\Windows\explorer.exe—SumatraPDF-3.5.2-install.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll
2300"C:\Users\admin\AppData\Local\SumatraPDF\SumatraPDF.exe" C:\Users\admin\AppData\Local\SumatraPDF\SumatraPDF.exe
explorer.exe
User:
admin
Company:
Krzysztof Kowalczyk
Integrity Level:
MEDIUM
Description:
SumatraPDF
Exit code:
0
Version:
3.5.2
Modules
Images
c:\users\admin\appdata\local\sumatrapdf\sumatrapdf.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
2920"C:\Users\admin\AppData\Local\Temp\SumatraPDF-3.5.2-install.exe" C:\Users\admin\AppData\Local\Temp\SumatraPDF-3.5.2-install.exe—explorer.exe
User:
admin
Company:
Krzysztof Kowalczyk
Integrity Level:
MEDIUM
Description:
SumatraPDF
Exit code:
0
Version:
3.5.2
Modules
Images
c:\users\admin\appdata\local\temp\sumatrapdf-3.5.2-install.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
Total events
2 572
Read events
2 505
Write events
66
Delete events
1

Modification events

(PID) Process:(1036) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1036) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1036) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1036) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
07000000020000000100000000000000060000000C0000000B0000000D0000000A0000000900000008000000030000000500000004000000FFFFFFFF
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
02000000070000000100000000000000060000000C0000000B0000000D0000000A0000000900000008000000030000000500000004000000FFFFFFFF
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_FolderType
Value:
{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewID
Value:
{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
(PID) Process:(2300) SumatraPDF.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewVersion
Value:
0
Executable files
4
Suspicious files
2
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\AppData\Local\SumatraPDF\PdfFilter.dllexecutable
MD5:AB67435580F14D444449F065AE73F002
SHA256:239440753267D7E03F4871ABF0CE5EE3CE112FEEC228A2F854012D5F269BF710
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\Desktop\SumatraPDF.lnkbinary
MD5:B23522B40B0464D33928766354AEAE04
SHA256:09BBFFC0C3E2F54727FC1F5464D6D44BF6CDC4C6119F406E7BB97B3BBF7A8EF2
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\SumatraPDF.lnklnk
MD5:FB0D45684BE99E012EF1DD75599FAE7A
SHA256:00D1AEE7106007FA55886DA768B9E3FA960114640301C37CD48CB03B012BE70D
2300SumatraPDF.exeC:\Users\admin\AppData\Local\SumatraPDF\sumatrapdfcache\4500c41a17794f86abaddda592e57644.pngimage
MD5:2D6ACC9BC3F6829014CCA0972E691A10
SHA256:67B9E11F4D462EE6459D4476B1C66DE14402E81F079E23159495CF2E5DB492C9
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\AppData\Local\SumatraPDF\SumatraPDF.exeexecutable
MD5:B6775D26AFE1E722BCE34636E30A558D
SHA256:65B514E80E5121D5EC94705B4A94ADF3BF8A6EB6DE58D2707DDD72C3D6D3779D
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\AppData\Local\SumatraPDF\libmupdf.dllexecutable
MD5:C13809F62A92DB4C8A966ABEBEBC7674
SHA256:42F8E05D018C00EB5EE2D7C6C41C7B0F9CA8028F0E7F31992B75B98EBB662E06
2920SumatraPDF-3.5.2-install.exeC:\Users\admin\AppData\Local\SumatraPDF\PdfPreview.dllexecutable
MD5:2715163F694C30C7859A3B75E1D91BE1
SHA256:0BDE253C06C6221CA96A92699FC6A66377C72C6BFF35556DF665FA6173A6CE60
2300SumatraPDF.exeC:\Users\admin\AppData\Local\SumatraPDF\SumatraPDF-settings.txttext
MD5:F93D2A22A60258D9CF2304813A2F0FAE
SHA256:55E04CAF9EC233DFFDFF3366E2494FD7A0F5F6CC30598D2A96C3F7F57290661E
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
0
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
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
SumatraPDF-3.5.2-install.exe