| File name: | pdfskills.exe |
| Full analysis: | https://app.any.run/tasks/418af14d-7309-45d3-baa1-fe1b747b8f98 |
| Verdict: | Malicious activity |
| Analysis date: | December 04, 2024, 10:36:58 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections |
| MD5: | 3FED63BA4527B108772F0B932D48A875 |
| SHA1: | 66BCE2303A39E2F676502E5C77D3D3746730F33B |
| SHA256: | 2DC119979DB7AF6999E4E003CDD827987F5D60035049A8F9998A66EDA1864453 |
| SSDEEP: | 98304:UWw4DuwYxT2ZyydrgUxeLSzW8Uxj2iXrVfYdcPnqzdFhb4+yH1ZK304Qb9M:xeg1 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Searches for installed software
- pdfskills.exe (PID: 2992)
Creates a software uninstall entry
- pdfskills.exe (PID: 2992)
Executable content was dropped or overwritten
- pdfskills.exe (PID: 2992)
Reads security settings of Internet Explorer
- pdfskills.exe (PID: 2992)
INFO
Reads the computer name
- pdfskills.exe (PID: 2992)
- PDFSkillsApp.exe (PID: 2512)
Checks supported languages
- pdfskills.exe (PID: 2992)
Creates files or folders in the user directory
- pdfskills.exe (PID: 2992)
Reads the machine GUID from the registry
- pdfskills.exe (PID: 2992)
- PDFSkillsApp.exe (PID: 2512)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2045:06:10 17:16:52+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 48 |
| CodeSize: | 2272768 |
| InitializedDataSize: | 17408 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x0000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 247.8.41.102 |
| ProductVersionNumber: | 247.8.41.102 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | PDFSkills |
| FileVersion: | 247.8.41.102 |
| InternalName: | PDFSkills.exe |
| LegalCopyright: | Copyright © 2015-2023 RED ROOT All rights reserved |
| LegalTrademarks: | - |
| OriginalFileName: | PDFSkills.exe |
| ProductName: | PDFSkills |
| ProductVersion: | 247.8.41.102 |
| AssemblyVersion: | 247.8.41.102 |
Total processes
129
Monitored processes
3
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2512 | "C:\Users\admin\AppData\Local\PDFSkills\PDFSkillsApp.exe" | C:\Users\admin\AppData\Local\PDFSkills\PDFSkillsApp.exe | — | pdfskills.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: PDFSkillsApp Version: 56.20.0.1 Modules
| |||||||||||||||
| 2992 | "C:\Users\admin\AppData\Local\Temp\pdfskills.exe" | C:\Users\admin\AppData\Local\Temp\pdfskills.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: PDFSkills Exit code: 0 Version: 247.8.41.102 Modules
| |||||||||||||||
| 3612 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
3 017
Read events
2 996
Write events
21
Delete events
0
Modification events
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (2992) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
2
Suspicious files
1
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2992 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\Uninstall.exe | executable | |
MD5:810259C5C89AB2652B4FEEDA974FBBDA | SHA256:E938F64D33317C64A7F25EE69325D02AD8779A819E4037F586091CC552E39A96 | |||
| 2992 | pdfskills.exe | C:\Users\admin\AppData\Roaming\SMCR\userId.txt | text | |
MD5:BF2B40AF96A4563B993CA1006DC1CF87 | SHA256:3796F62C4F832F95BC2E347E51B646C27CB2B3F84FF8A3052FBB625E441319BE | |||
| 2992 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\PDFSkills.Belongings.favicon.ico | image | |
MD5:FC5F48AAF4694FABB338180E78FCFDCB | SHA256:575233647D440DF001566E8092FD408E1F3C840BC3991A1866408AFDA3DC6F99 | |||
| 2992 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\PDFSkillsApp.exe | executable | |
MD5:CC27C18E7BECCED15C8A682B0BBC9D4A | SHA256:9C9CDB1A91444DC9C99DF071F2DAC4791D20112E0DF786DA40069A1E76594803 | |||
| 2992 | pdfskills.exe | C:\Users\admin\Desktop\PDFSkillsApp.lnk | binary | |
MD5:2DF8E8F4266703F69CC26227B154DD91 | SHA256:B4FB1D7AC4C455B3C31BF24EB2F284C6EE07C047CE7A1FB276B18DA45E5F0607 | |||
| 2992 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\skillsUserId.txt | text | |
MD5:BF2B40AF96A4563B993CA1006DC1CF87 | SHA256:3796F62C4F832F95BC2E347E51B646C27CB2B3F84FF8A3052FBB625E441319BE | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
37
DNS requests
18
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.16.164.24:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.16.164.24:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5064 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
4668 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
2008 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2008 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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 |
|---|---|---|---|---|---|---|
5200 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5064 | SearchApp.exe | 2.23.209.177:443 | — | Akamai International B.V. | GB | unknown |
4712 | MoUsoCoreWorker.exe | 2.16.164.24:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 2.16.164.24:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
2992 | pdfskills.exe | 198.71.59.132:443 | val.skillcli.com | IONOS SE | US | unknown |
3976 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
val.skillcli.com |
| unknown |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
cbn.skillcli.com |
| unknown |
slscr.update.microsoft.com |
| whitelisted |