| 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: | |
| 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 |
MALICIOUS
Changes the autorun value in the registry
- pdf24-creator-9.0.3.tmp (PID: 3972)
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.exe (PID: 1744)
- pdf24-Launcher.exe (PID: 1036)
Application was dropped or rewritten from another process
- pdf24-PrinterInstall.exe (PID: 896)
- pdf24-PrinterInstall.exe (PID: 2420)
- pdf24-PrinterInstall.exe (PID: 1852)
- gswin32c.exe (PID: 2332)
- pdf24-DocTool.exe (PID: 1532)
- pdf24-Launcher.exe (PID: 1036)
- pdf24.exe (PID: 1712)
- pdf24.exe (PID: 3432)
- pdf24.exe (PID: 1744)
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: 1448)
- spoolsv.exe (PID: 1204)
- expand.exe (PID: 3480)
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)
Removes files from Windows directory
- expand.exe (PID: 1448)
- expand.exe (PID: 2988)
- spoolsv.exe (PID: 1204)
- pdf24-PrinterInstall.exe (PID: 2420)
- expand.exe (PID: 3480)
- expand.exe (PID: 1976)
Modifies the open verb of a shell class
- 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-PrinterInstall.exe (PID: 1852)
- pdf24.exe (PID: 1712)
- gswin32c.exe (PID: 2332)
Starts CMD.EXE for commands execution
- pdf24-PrinterInstall.exe (PID: 2420)
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)
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)
Changes internet zones settings
- iexplore.exe (PID: 3308)
Loads dropped or rewritten executable
- pdf24-creator-9.0.3.tmp (PID: 3972)
Application launched itself
- iexplore.exe (PID: 3308)
Reads internet explorer settings
- iexplore.exe (PID: 1704)
Changes settings of System certificates
- iexplore.exe (PID: 1704)
Adds / modifies Windows certificates
- iexplore.exe (PID: 1704)
Creates files in the user directory
- iexplore.exe (PID: 1704)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:10:12 13:15:57+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 682496 |
| InitializedDataSize: | 147456 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xa7ed0 |
| OSVersion: | 6 |
| ImageVersion: | 6 |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 9.0.3.0 |
| ProductVersionNumber: | 9.0.3.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| 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 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 12-Oct-2019 11:15:57 |
| Detected languages: |
|
| 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: |
|
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 |
Total processes
65
Monitored processes
24
Malicious processes
14
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 504 | C:\Windows\system32\cmd.exe /c expand "c:\windows\system32\spool\drivers\w32x86\pcc\ntprint.inf_x86_neutral_88459cb66b0e2d44.cab" -F:PSCRIPT.HLP "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) Modules
| |||||||||||||||
| 896 | "C:\Program Files\PDF24\pdf24-PrinterInstall.exe" -printerName "PDF24" -portName "\\.\pipe\PDFPrint" -log "C:\Program Files\PDF24\pdfPrnInst.log" installPrinter installCompatiblePrinter | C:\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 Modules
| |||||||||||||||
| 928 | C:\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) Modules
| |||||||||||||||
| 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 Modules
| |||||||||||||||
| 1036 | "C:\Program Files\PDF24\pdf24-Launcher.exe" | C:\Program Files\PDF24\pdf24-Launcher.exe | pdf24-creator-9.0.3.tmp | ||||||||||||
User: admin Company: Geek Software GmbH Integrity Level: MEDIUM Description: PDF24 Lancher Exit code: 0 Version: 9.0.3 Modules
| |||||||||||||||
| 1152 | C:\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) Modules
| |||||||||||||||
| 1204 | C:\Windows\System32\spoolsv.exe | C:\Windows\System32\spoolsv.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Spooler SubSystem App Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1448 | 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\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) Modules
| |||||||||||||||
| 1532 | "C:\Program Files\PDF24\pdf24-DocTool.exe" -createFontMapFile -noBackendCheck lib\fontmap.gs | C:\Program Files\PDF24\pdf24-DocTool.exe | — | pdf24-creator-9.0.3.tmp | |||||||||||
User: admin Company: Geek Software GmbH Integrity Level: HIGH Description: PDF24 DocTool Exit code: 0 Version: 9.0.3 Modules
| |||||||||||||||
| 1704 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3308 CREDAT:79873 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
2 862
Read events
1 586
Write events
1 265
Delete events
11
Modification events
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Owner |
Value: 840F0000EEB131655ECFD501 | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | SessionHash |
Value: 1813919A7F9F88AB3D7E866A822439488881A1A3BFFD8959C9A355AAEA7B901E | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Sequence |
Value: 1 | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | RegFiles0000 |
Value: C:\Program Files\PDF24\api-ms-win-core-console-l1-1-0.dll | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | RegFilesHash |
Value: 2224866FAB9BFE9D5AB5E6A712152F30FD3206170BE5C45F34CE0E99E12CD815 | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\PDFPrint |
| Operation: | write | Name: | LogoClickUrl |
Value: https://www.pdf24.org/products/pdf-creator/logoClick.php | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\PDFPrint |
| Operation: | write | Name: | Label |
Value: pdf24 | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\PDFPrint |
| Operation: | write | Name: | CreatorID |
Value: pdf24 | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\PDFPrint |
| Operation: | write | Name: | CreatorName |
Value: pdf24.org | |||
| (PID) Process: | (3972) pdf24-creator-9.0.3.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\PDFPrint |
| Operation: | write | Name: | CreatorEmail |
Value: team@pdf24.org | |||
Executable files
99
Suspicious files
12
Text files
414
Unknown types
107
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-AE7DP.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-PFI9P.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-ST1I4.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-06I94.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-HA3UB.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-E9QJN.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-21BMO.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-EK7V8.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\Program Files\PDF24\is-J5V7V.tmp | — | |
MD5:— | SHA256:— | |||
| 3972 | pdf24-creator-9.0.3.tmp | C:\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 |
|---|---|---|---|---|---|---|
1036 | pdf24-Launcher.exe | 88.99.123.166:443 | creator.pdf24.org | Hetzner Online GmbH | DE | suspicious |
3308 | iexplore.exe | 204.79.197.200:80 | www.bing.com | Microsoft Corporation | US | whitelisted |
1704 | iexplore.exe | 78.46.139.116:443 | www.pdf24.org | Hetzner Online GmbH | DE | unknown |
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 | 13.225.78.120:443 | tools.pdf24.org | — | US | suspicious |
1704 | iexplore.exe | 185.60.216.19:443 | connect.facebook.net | Facebook, Inc. | IE | whitelisted |
1704 | iexplore.exe | 172.217.16.206:443 | www.google-analytics.com | Google Inc. | US | whitelisted |
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 |
| whitelisted |
www.pdf24.org |
| unknown |
www.bing.com |
| whitelisted |
en.pdf24.org |
| unknown |
platform.twitter.com |
| whitelisted |
tools.pdf24.org |
| shared |
connect.facebook.net |
| whitelisted |
www.google-analytics.com |
| whitelisted |
www.facebook.com |
| whitelisted |
stats.g.doubleclick.net |
| whitelisted |