| File name: | VNC-Viewer-7.10.0-Windows.exe |
| Full analysis: | https://app.any.run/tasks/536b0edd-2e30-4b6a-9bdf-19683bc0b62a |
| Verdict: | Malicious activity |
| Analysis date: | March 05, 2024, 17:24:45 |
| 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: | D68A7F4511B29DA8EFD83161F7FBBF8C |
| SHA1: | 4F070EA7418C58A87E78941C22FF30361FF68B10 |
| SHA256: | B89A47758FB4C59336DA5EEDAFF33ECD840646F35594C41EC4BCC23CBEB1AB77 |
| SSDEEP: | 98304:LtcUlVo/ABmx4c1tWiakxzwQBP/5XCv0NA2SgH4QgUb6gQITLK8E3JxBqQEOezij:CLMgjpEWurOI |
MALICIOUS
Drops the executable file immediately after the start
- VNC-Viewer-7.10.0-Windows.exe (PID: 3700)
SUSPICIOUS
Executes as Windows Service
- VSSVC.exe (PID: 2036)
Reads the Internet Settings
- vncviewer.exe (PID: 1572)
- sipnotify.exe (PID: 1940)
The process executes via Task Scheduler
- ctfmon.exe (PID: 2036)
- sipnotify.exe (PID: 1940)
Reads settings of System Certificates
- sipnotify.exe (PID: 1940)
INFO
Checks supported languages
- VNC-Viewer-7.10.0-Windows.exe (PID: 3700)
- vncviewer.exe (PID: 1572)
- wmpnscfg.exe (PID: 1340)
- IMEKLMG.EXE (PID: 2088)
- IMEKLMG.EXE (PID: 2100)
- wmpnscfg.exe (PID: 2368)
- wmpnscfg.exe (PID: 2412)
Reads the computer name
- VNC-Viewer-7.10.0-Windows.exe (PID: 3700)
- vncviewer.exe (PID: 1572)
- wmpnscfg.exe (PID: 1340)
- IMEKLMG.EXE (PID: 2100)
- wmpnscfg.exe (PID: 2368)
- IMEKLMG.EXE (PID: 2088)
- wmpnscfg.exe (PID: 2412)
Create files in a temporary directory
- VNC-Viewer-7.10.0-Windows.exe (PID: 3700)
Reads security settings of Internet Explorer
- msiexec.exe (PID: 3656)
- sipnotify.exe (PID: 1940)
Reads the software policy settings
- msiexec.exe (PID: 3656)
- sipnotify.exe (PID: 1940)
Manual execution by a user
- vncviewer.exe (PID: 1572)
- wmpnscfg.exe (PID: 1340)
- IMEKLMG.EXE (PID: 2088)
- IMEKLMG.EXE (PID: 2100)
- wmpnscfg.exe (PID: 2368)
- wmpnscfg.exe (PID: 2412)
Creates files or folders in the user directory
- vncviewer.exe (PID: 1572)
Reads the machine GUID from the registry
- vncviewer.exe (PID: 1572)
Process checks whether UAC notifications are on
- IMEKLMG.EXE (PID: 2100)
- IMEKLMG.EXE (PID: 2088)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 2024:02:21 14:17:07+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.16 |
| CodeSize: | 1191424 |
| InitializedDataSize: | 11063808 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7b564 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 7.10.0.52294 |
| ProductVersionNumber: | 7.10.0.52294 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (British) |
| CharacterSet: | Unicode |
| CompanyName: | RealVNC |
| FileDescription: | VNC® Viewer Installer |
| FileVersion: | 7.10.0 (r52294) |
| InternalName: | vncviewer-installer |
| LegalCopyright: | Copyright © RealVNC Ltd. |
| LegalTrademarks: | RealVNC and VNC are trademarks of RealVNC Ltd and are protected by trademark registrations and/or pending trademark applications in the European Union, United States of America and other jurisdictions. |
| OriginalFileName: | vncviewer-installer.exe |
| ProductName: | VNC® |
| ProductVersion: | 7.10.0 (r52294) |
| ProgramName: | VNC® Viewer Installer |
Total processes
88
Monitored processes
11
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1340 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1572 | "C:\Program Files\RealVNC\VNC Viewer\vncviewer.exe" | C:\Program Files\RealVNC\VNC Viewer\vncviewer.exe | explorer.exe | ||||||||||||
User: admin Company: RealVNC Integrity Level: MEDIUM Description: VNC® Viewer Exit code: 0 Version: 7.10.0 (r52294) Modules
| |||||||||||||||
| 1940 | C:\Windows\system32\sipnotify.exe -LogonOrUnlock | C:\Windows\System32\sipnotify.exe | taskeng.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: sipnotify Exit code: 0 Version: 6.1.7602.20480 (win7sp1_ldr_escrow.191010-1716) Modules
| |||||||||||||||
| 2036 | C:\Windows\system32\vssvc.exe | C:\Windows\System32\VSSVC.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft® Volume Shadow Copy Service Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2036 | C:\Windows\System32\ctfmon.exe | C:\Windows\System32\ctfmon.exe | — | taskeng.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CTF Loader Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2088 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /JPN /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
| 2100 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /KOR /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
| 2368 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2412 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3656 | C:\Windows\system32\msiexec.exe /i C:\Users\admin\AppData\Local\Temp\vnc32.msi ProductLanguage=1033 | C:\Windows\System32\msiexec.exe | — | VNC-Viewer-7.10.0-Windows.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Exit code: 0 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
8 894
Read events
8 713
Write events
168
Delete events
13
Modification events
| (PID) Process: | (3656) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000086F6A1A226FDA01F40700001C0B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000086F6A1A226FDA01F4070000240B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 400000000000000062D16C1A226FDA01F4070000400A0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 400000000000000062D16C1A226FDA01F4070000840D0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer |
| Operation: | write | Name: | IDENTIFY (Leave) |
Value: 4000000000000000BC336F1A226FDA01F4070000240B0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer |
| Operation: | write | Name: | IDENTIFY (Leave) |
Value: 4000000000000000BC336F1A226FDA01F4070000400A0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer |
| Operation: | write | Name: | IDENTIFY (Leave) |
Value: 40000000000000001696711A226FDA01F4070000840D0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer |
| Operation: | write | Name: | IDENTIFY (Leave) |
Value: 40000000000000001696711A226FDA01F40700001C0B0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2036) VSSVC.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} |
| Operation: | write | Name: | PROVIDER_BEGINPREPARE (Enter) |
Value: 4000000000000000E4F8BF1D226FDA01F40700001C0B000001040000010000000000000000000000B670AE68FFEAC046B29066A0C13357880000000000000000 | |||
Executable files
0
Suspicious files
0
Text files
6
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3700 | VNC-Viewer-7.10.0-Windows.exe | C:\Users\admin\AppData\Local\Temp\vnc32.msi | — | |
MD5:— | SHA256:— | |||
| 1572 | vncviewer.exe | C:\Users\admin\AppData\Local\RealVNC\vncviewer.log | text | |
MD5:918E082A6A2E7A5FDB67F4056F88CEB9 | SHA256:213344F99FB3A39EC10C4814DDA5666977CC2B5919AE9E55CFDE7779084926CD | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\styles.css | text | |
MD5:3383EEF350240253D7C2C2564381B3CB | SHA256:85443493D86D6D7FB0E07BC9705DFC9C858086FBA1B0E508092AB328D5F145E8 | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\metadata.json | binary | |
MD5:E8A970BA6CE386EED9A5E724F26212A6 | SHA256:7E06107D585D8FC7870998F3856DCC3E35800AA97E4406AAB83BC8444B6CBDE3 | |||
| 1572 | vncviewer.exe | C:\Users\admin\AppData\Local\RealVNC\vncviewer.d\BootstrapCache.pkg | binary | |
MD5:D7B29AA92C4D24B84A0DC0ECE9A9CDB0 | SHA256:BD01C579B6BC70ED23A1AAB5934F3E409C2134921C6678CE270371B97B5CE485 | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\main.jpg | image | |
MD5:B342ACE63F77961249A084C61EABC884 | SHA256:E5067BBA2095B5DA7C3171EC116E9A92337E24E471339B0860A160076EFE49B9 | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\microsoft-logo.png | image | |
MD5:B7C73A0CFBA68CC70C35EF9C63703CE4 | SHA256:1D8B27A0266FF526CF95447F3701592A908848467D37C09A00A2516C1F29A013 | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\en-us.html | html | |
MD5:9752942B57692148B9F614CF4C119A36 | SHA256:E31B834DD53FA6815F396FC09C726636ABF98F3367F0CF1590EF5EB3801C75D1 | |||
| 1572 | vncviewer.exe | C:\Users\admin\AppData\Local\RealVNC\vncviewer.d\BootstrapCache.pkg.tmp | binary | |
MD5:D7B29AA92C4D24B84A0DC0ECE9A9CDB0 | SHA256:BD01C579B6BC70ED23A1AAB5934F3E409C2134921C6678CE270371B97B5CE485 | |||
| 1940 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\script.js | text | |
MD5:A2682382967C351F7ED21762F9E5DE9E | SHA256:36B1D26F1EC69685648C0528C2FCE95A3C2DBECF828CDFA4A8B4239A15B644A2 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
13
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1940 | sipnotify.exe | HEAD | 200 | 23.59.15.205:80 | http://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2JgkA?v=133541332133590000 | JP | — | — | unknown |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1572 | vncviewer.exe | 165.254.191.229:443 | hb-c.services.vnc.com | NTT-LTD-2914 | US | unknown |
1120 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1444 | svchost.exe | 239.255.255.250:3702 | — | — | — | unknown |
1940 | sipnotify.exe | 23.59.15.205:80 | query.prod.cms.rt.microsoft.com | AKAMAI-AS | JP | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
hb-c.services.vnc.com |
| unknown |
query.prod.cms.rt.microsoft.com |
| whitelisted |