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download:

pdf24-creator-9.0.3.exe

Full analysis: https://app.any.run/tasks/75eaa036-96a0-456e-a4a5-176c89420315
Verdict: Malicious activity
Analysis date: January 20, 2020, 06:52:57
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

3C88EA802E54759D401DA5F25253A97F

SHA1:

50E5CFD06D1841E61D0DD1B82D3E5869F55B3AE1

SHA256:

2334D0BC87229D22FF75B770BE7A991B94EA5F44FE700C7D62FE0DF8008FA99E

SSDEEP:

786432:Svr0bXPGYOQAomkdrvszMb3zVCBmdUiOqLC09kOei74:SvI1O2dr4MtCAdkAz8

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

    • Loads dropped or rewritten executable

      • pdf24-PrinterInstall.exe (PID: 2420)
      • spoolsv.exe (PID: 1204)
      • pdf24-PrinterInstall.exe (PID: 896)
      • pdf24-PrinterInstall.exe (PID: 1852)
      • pdf24.exe (PID: 1712)
      • pdf24.exe (PID: 3432)
      • gswin32c.exe (PID: 2332)
      • pdf24-DocTool.exe (PID: 1532)
      • pdf24-Launcher.exe (PID: 1036)
      • pdf24.exe (PID: 1744)

    • Changes the autorun value in the registry

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Application was dropped or rewritten from another process

      • pdf24-PrinterInstall.exe (PID: 2420)
      • pdf24-PrinterInstall.exe (PID: 896)
      • pdf24-PrinterInstall.exe (PID: 1852)
      • gswin32c.exe (PID: 2332)
      • pdf24.exe (PID: 1744)
      • pdf24.exe (PID: 1712)
      • pdf24-DocTool.exe (PID: 1532)
      • pdf24-Launcher.exe (PID: 1036)
      • pdf24.exe (PID: 3432)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • pdf24-creator-9.0.3.exe (PID: 4036)
      • pdf24-creator-9.0.3.exe (PID: 1028)
      • pdf24-creator-9.0.3.tmp (PID: 3972)
      • expand.exe (PID: 3480)
      • expand.exe (PID: 1448)
      • spoolsv.exe (PID: 1204)

    • Reads Windows owner or organization settings

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Reads the Windows organization settings

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Creates files in the program directory

      • pdf24-PrinterInstall.exe (PID: 2420)
      • pdf24-PrinterInstall.exe (PID: 896)
      • pdf24.exe (PID: 1712)
      • pdf24-PrinterInstall.exe (PID: 1852)
      • gswin32c.exe (PID: 2332)

    • Removes files from Windows directory

      • expand.exe (PID: 2988)
      • expand.exe (PID: 1448)
      • expand.exe (PID: 3480)
      • expand.exe (PID: 1976)
      • spoolsv.exe (PID: 1204)
      • pdf24-PrinterInstall.exe (PID: 2420)

    • Modifies the open verb of a shell class

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Creates files in the Windows directory

      • pdf24-PrinterInstall.exe (PID: 2420)
      • expand.exe (PID: 2988)
      • expand.exe (PID: 1448)
      • expand.exe (PID: 3480)
      • expand.exe (PID: 1976)
      • spoolsv.exe (PID: 1204)

    • Starts CMD.EXE for commands execution

      • pdf24-PrinterInstall.exe (PID: 2420)

    • Executed as Windows Service

      • pdf24.exe (PID: 3432)

    • Starts Internet Explorer

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Reads internet explorer settings

      • pdf24-Launcher.exe (PID: 1036)

  • INFO

    • Application was dropped or rewritten from another process

      • pdf24-creator-9.0.3.tmp (PID: 3592)
      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Dropped object may contain Bitcoin addresses

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Creates a software uninstall entry

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Creates files in the program directory

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Loads dropped or rewritten executable

      • pdf24-creator-9.0.3.tmp (PID: 3972)

    • Creates files in the user directory

      • iexplore.exe (PID: 1704)

    • Application launched itself

      • iexplore.exe (PID: 3308)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1704)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1704)

    • Changes internet zones settings

      • iexplore.exe (PID: 3308)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1704)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Inno Setup installer (67.7)
.exe | Win32 EXE PECompact compressed (generic) (25.6)
.exe | Win32 Executable (generic) (2.7)
.exe | Win16/32 Executable Delphi generic (1.2)
.exe | Generic Win/DOS Executable (1.2)

EXIF

EXE

ProductVersion: 9.0.3
ProductName: PDF24 Creator
OriginalFileName:
LegalCopyright: https://www.pdf24.org
FileVersion: 9.0.3
FileDescription: PDF24 Creator
CompanyName: Geek Software GmbH
Comments: This installation was built with Inno Setup.
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 9.0.3.0
FileVersionNumber: 9.0.3.0
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: 6
OSVersion: 6
EntryPoint: 0xa7ed0
UninitializedDataSize: -
InitializedDataSize: 147456
CodeSize: 682496
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 2019:10:12 13:15:57+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Oct-2019 11:15:57
Detected languages:
  • English - United States
Comments: This installation was built with Inno Setup.
CompanyName: Geek Software GmbH
FileDescription: PDF24 Creator
FileVersion: 9.0.3
LegalCopyright: https://www.pdf24.org
OriginalFileName: -
ProductName: PDF24 Creator
ProductVersion: 9.0.3

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 10
Time date stamp: 12-Oct-2019 11:15:57
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000A50E8
0x000A5200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.36928
.itext
0x000A7000
0x00001668
0x00001800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.95181
.data
0x000A9000
0x000037A4
0x00003800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.03517
.bss
0x000AD000
0x00006778
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x000B4000
0x00000F1C
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.79161
.didata
0x000B5000
0x000001A4
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.74582
.edata
0x000B6000
0x0000009A
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.88107
.tls
0x000B7000
0x00000018
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x000B8000
0x0000005D
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.37999
.rsrc
0x000B9000
0x0001F1AC
0x0001F200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.46919

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.13965
1580
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.17805
67624
Latin 1 / Western European
English - United States
RT_ICON
3
3.49295
16936
Latin 1 / Western European
English - United States
RT_ICON
4
4.60817
9640
Latin 1 / Western European
English - United States
RT_ICON
5
3.85663
4264
Latin 1 / Western European
English - United States
RT_ICON
6
4.11862
1128
Latin 1 / Western European
English - United States
RT_ICON
4086
3.16547
864
Latin 1 / Western European
UNKNOWN
RT_STRING
4087
3.40938
608
Latin 1 / Western European
UNKNOWN
RT_STRING
4088
3.31153
1116
Latin 1 / Western European
UNKNOWN
RT_STRING
4089
3.33977
1036
Latin 1 / Western European
UNKNOWN
RT_STRING

Imports

advapi32.dll
comctl32.dll
kernel32.dll
kernel32.dll (delay-loaded)
netapi32.dll
oleaut32.dll
user32.dll
version.dll

Exports

Title
Ordinal
Address
dbkFCallWrapperAddr
1
0x000B063C
__dbk_fcall_wrapper
2
0x0000D3DC
TMethodImplementationIntercept
3
0x00053AC0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
65
Monitored processes
24
Malicious processes
14
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start drop and start drop and start drop and start drop and start drop and start drop and start pdf24-creator-9.0.3.exe pdf24-creator-9.0.3.tmp no specs pdf24-creator-9.0.3.exe pdf24-creator-9.0.3.tmp pdf24-printerinstall.exe no specs cmd.exe no specs expand.exe no specs cmd.exe no specs expand.exe cmd.exe no specs expand.exe cmd.exe no specs expand.exe no specs pdf24-printerinstall.exe no specs spoolsv.exe pdf24-printerinstall.exe no specs pdf24.exe no specs pdf24.exe no specs gswin32c.exe no specs pdf24-doctool.exe no specs pdf24.exe no specs pdf24-launcher.exe iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
4036"C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe" C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe
explorer.exe
User:
admin
Company:
Geek Software GmbH
Integrity Level:
MEDIUM
Description:
PDF24 Creator
Exit code:
0
Version:
9.0.3
3592"C:\Users\admin\AppData\Local\Temp\is-7MOCF.tmp\pdf24-creator-9.0.3.tmp" /SL5="$4012C,26086030,830976,C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe" C:\Users\admin\AppData\Local\Temp\is-7MOCF.tmp\pdf24-creator-9.0.3.tmp—pdf24-creator-9.0.3.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Setup/Uninstall
Exit code:
0
Version:
51.1052.0.0
1028"C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe" /SPAWNWND=$40126 /NOTIFYWND=$4012C C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe
pdf24-creator-9.0.3.tmp
User:
admin
Company:
Geek Software GmbH
Integrity Level:
HIGH
Description:
PDF24 Creator
Exit code:
0
Version:
9.0.3
3972"C:\Users\admin\AppData\Local\Temp\is-R31C1.tmp\pdf24-creator-9.0.3.tmp" /SL5="$50128,26086030,830976,C:\Users\admin\AppData\Local\Temp\pdf24-creator-9.0.3.exe" /SPAWNWND=$40126 /NOTIFYWND=$4012C C:\Users\admin\AppData\Local\Temp\is-R31C1.tmp\pdf24-creator-9.0.3.tmp
pdf24-creator-9.0.3.exe
User:
admin
Integrity Level:
HIGH
Description:
Setup/Uninstall
Exit code:
0
Version:
51.1052.0.0
2420"C:\Program Files\PDF24\pdf24-PrinterInstall.exe" -log "C:\Program Files\PDF24\prnDrvInst.log" -upgrade installPrinterDriverC:\Program Files\PDF24\pdf24-PrinterInstall.exe—pdf24-creator-9.0.3.tmp
User:
admin
Company:
Geek Software GmbH
Integrity Level:
HIGH
Description:
PDF24 PrinterInstall
Exit code:
0
Version:
9.0.3
2160C:\Windows\system32\cmd.exe /c expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PSCRIPT.NTF "C:\Windows\system32\spool\DRIVERS\W32X86"C:\Windows\system32\cmd.exe—pdf24-PrinterInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2988expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PSCRIPT.NTF "C:\Windows\system32\spool\DRIVERS\W32X86"C:\Windows\system32\expand.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
LZ Expansion Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
928C:\Windows\system32\cmd.exe /c expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PS5UI.DLL "C:\Windows\system32\spool\DRIVERS\W32X86"C:\Windows\system32\cmd.exe—pdf24-PrinterInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
1448expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PS5UI.DLL "C:\Windows\system32\spool\DRIVERS\W32X86"C:\Windows\system32\expand.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
LZ Expansion Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
1152C:\Windows\system32\cmd.exe /c expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PSCRIPT5.DLL "C:\Windows\system32\spool\DRIVERS\W32X86"C:\Windows\system32\cmd.exe—pdf24-PrinterInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Total events
2 862
Read events
1 586
Write events
0
Delete events
0

Modification events

No data
Executable files
99
Suspicious files
12
Text files
414
Unknown types
107

Dropped files

PID
Process
Filename
Type
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-AE7DP.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-PFI9P.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-ST1I4.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-06I94.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-HA3UB.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-E9QJN.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-21BMO.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-EK7V8.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-J5V7V.tmp —
MD5:—
SHA256:—
3972pdf24-creator-9.0.3.tmpC:\Program Files\PDF24\is-I5DAN.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
19
DNS requests
12
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3308
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1704
iexplore.exe
185.60.216.19:443
connect.facebook.net
Facebook, Inc.
IE
whitelisted
3308
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1704
iexplore.exe
172.217.16.206:443
www.google-analytics.com
Google Inc.
US
whitelisted
1704
iexplore.exe
13.225.78.120:443
tools.pdf24.org
—
US
suspicious
1704
iexplore.exe
78.46.139.116:443
www.pdf24.org
Hetzner Online GmbH
DE
unknown
1036
pdf24-Launcher.exe
88.99.123.166:443
creator.pdf24.org
Hetzner Online GmbH
DE
suspicious
1036
pdf24-Launcher.exe
78.46.139.116:443
www.pdf24.org
Hetzner Online GmbH
DE
unknown
1704
iexplore.exe
151.101.12.157:443
platform.twitter.com
Fastly
US
suspicious
1704
iexplore.exe
185.60.216.35:443
www.facebook.com
Facebook, Inc.
IE
whitelisted
1704
iexplore.exe
74.125.206.155:443
stats.g.doubleclick.net
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
creator.pdf24.org
  • 88.99.123.166
whitelisted
www.pdf24.org
  • 78.46.139.116
unknown
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
en.pdf24.org
  • 78.46.139.116
unknown
platform.twitter.com
  • 151.101.12.157
whitelisted
tools.pdf24.org
  • 13.225.78.120
  • 13.225.78.78
  • 13.225.78.108
  • 13.225.78.27
shared
connect.facebook.net
  • 185.60.216.19
whitelisted
www.google-analytics.com
  • 172.217.16.206
whitelisted
www.facebook.com
  • 185.60.216.35
whitelisted
stats.g.doubleclick.net
  • 74.125.206.155
  • 74.125.206.157
  • 74.125.206.154
  • 74.125.206.156
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
pdf24-creator-9.0.3.exe