| File name: | vnc-4.0-x86_win.exe |
| Full analysis: | https://app.any.run/tasks/4bd3e1bd-a9a7-4086-9a03-d08123f32910 |
| Verdict: | Malicious activity |
| Analysis date: | December 14, 2023, 08:50:36 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, InnoSetup self-extracting archive |
| MD5: | 98EE2C22C45BBE3F250B73226D357845 |
| SHA1: | 1849E83BD4C85E2B102430B61D4D7368539FB490 |
| SHA256: | 3B8AF9FF8B62B4EE1189280CFAF01D4B6F3529C2E12272BFE7560AABC579B3B6 |
| SSDEEP: | 12288:aXGhddSgXLn30mxaR0g2KnFZKCJMFx38LyiD6uwqp0LAGi3j3TmKt58zhIYYt6st:gUdSg7Nk8CaFxAyiD6FK00jkOZNt |
MALICIOUS
Drops the executable file immediately after the start
- vnc-4.0-x86_win.exe (PID: 2688)
- is-QHTRR.tmp (PID: 1104)
SUSPICIOUS
Process drops legitimate windows executable
- is-QHTRR.tmp (PID: 1104)
Reads the Windows owner or organization settings
- is-QHTRR.tmp (PID: 1104)
Executes as Windows Service
- winvnc4.exe (PID: 2788)
INFO
Checks supported languages
- vnc-4.0-x86_win.exe (PID: 2688)
- is-QHTRR.tmp (PID: 1104)
- winvnc4.exe (PID: 588)
- winvnc4.exe (PID: 2436)
- winvnc4.exe (PID: 2672)
- winvnc4.exe (PID: 2788)
- vncconfig.exe (PID: 244)
- winvnc4.exe (PID: 2936)
Reads the computer name
- is-QHTRR.tmp (PID: 1104)
- winvnc4.exe (PID: 588)
- winvnc4.exe (PID: 2436)
- winvnc4.exe (PID: 2672)
- winvnc4.exe (PID: 2788)
- vncconfig.exe (PID: 244)
- winvnc4.exe (PID: 2936)
Create files in a temporary directory
- vnc-4.0-x86_win.exe (PID: 2688)
- is-QHTRR.tmp (PID: 1104)
Creates files in the program directory
- is-QHTRR.tmp (PID: 1104)
Manual execution by a user
- winvnc4.exe (PID: 2936)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Inno Setup installer (82.8) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (10.7) |
| .exe | | | Win32 Executable (generic) (3.4) |
| .exe | | | Generic Win/DOS Executable (1.5) |
| .exe | | | DOS Executable Generic (1.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:20 00:22:17+02:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 35328 |
| InitializedDataSize: | 16896 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x9220 |
| OSVersion: | 1 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| Comments: | This installation was built with Inno Setup: http://www.innosetup.com |
| CompanyName: | RealVNC Ltd. |
| FileDescription: | VNC Setup |
| FileVersion: | |
| InternalName: | - |
| OriginalFileName: | - |
| ProductName: | - |
| ProductVersion: | - |
Total processes
47
Monitored processes
9
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 244 | "C:\Program Files (x86)\RealVNC\VNC4\vncconfig.exe" -service | C:\Program Files (x86)\RealVNC\VNC4\vncconfig.exe | — | is-QHTRR.tmp | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: HIGH Description: VNC Server Configuration Applet for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
| 588 | "C:\Program Files (x86)\RealVNC\VNC4\WinVNC4.exe" -stop | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | — | is-QHTRR.tmp | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: HIGH Description: VNC Server for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
| 1104 | "C:\Users\admin\AppData\Local\Temp\is-O0QNS.tmp\is-QHTRR.tmp" /SL4 $1C03D8 C:\Users\admin\AppData\Local\Temp\vnc-4.0-x86_win.exe 511279 50688 | C:\Users\admin\AppData\Local\Temp\is-O0QNS.tmp\is-QHTRR.tmp | — | vnc-4.0-x86_win.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2436 | "C:\Program Files (x86)\RealVNC\VNC4\WinVNC4.exe" -unregister -register | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | — | is-QHTRR.tmp | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: HIGH Description: VNC Server for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
| 2672 | "C:\Program Files (x86)\RealVNC\VNC4\WinVNC4.exe" -start | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | — | is-QHTRR.tmp | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: HIGH Description: VNC Server for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
| 2688 | "C:\Users\admin\AppData\Local\Temp\vnc-4.0-x86_win.exe" | C:\Users\admin\AppData\Local\Temp\vnc-4.0-x86_win.exe | explorer.exe | ||||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: HIGH Description: VNC Setup Exit code: 0 Version: Modules
| |||||||||||||||
| 2784 | "C:\Users\admin\AppData\Local\Temp\vnc-4.0-x86_win.exe" | C:\Users\admin\AppData\Local\Temp\vnc-4.0-x86_win.exe | — | explorer.exe | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: MEDIUM Description: VNC Setup Exit code: 3221226540 Version: Modules
| |||||||||||||||
| 2788 | "C:\Program Files (x86)\RealVNC\VNC4\WinVNC4.exe" -service | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | — | services.exe | |||||||||||
User: SYSTEM Company: RealVNC Ltd. Integrity Level: SYSTEM Description: VNC Server for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
| 2936 | "C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe" -noconsole | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | — | explorer.exe | |||||||||||
User: admin Company: RealVNC Ltd. Integrity Level: MEDIUM Description: VNC Server for Win32 Exit code: 0 Version: 4.0 Modules
| |||||||||||||||
Total events
1 382
Read events
1 381
Write events
1
Delete events
0
Modification events
| (PID) Process: | (1104) is-QHTRR.tmp | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer |
| Operation: | write | Name: | GlobalAssocChangedCounter |
Value: 27 | |||
Executable files
15
Suspicious files
10
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\unins000.exe | executable | |
MD5:A73B4C19A233181CD4CF0B9B8B3F7FBF | SHA256:B2C14524F74DE7831B3246313485E4DEBECBD235647791A025653720BEF850B6 | |||
| 1104 | is-QHTRR.tmp | C:\Users\admin\AppData\Local\Temp\is-MDAVG.tmp\_isdecmp.dll | executable | |
MD5:B4786EB1E1A93633AD1B4C112514C893 | SHA256:2AE4169F721BEB389A661E6DBB18BC84EF38556AF1F46807DA9D87AEC2A6F06F | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\is-L6F7K.tmp | executable | |
MD5:7D042213EC10B666923C72DA24EE4B9E | SHA256:9E1E76C0EBD31BECCE60F214CC1034314FB374B6CB011E919F33F58970DFB816 | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\vncconfig.exe | executable | |
MD5:4A84D7C950986D3AE898143451EFAE29 | SHA256:B82FD264F28D6EEB49CDE267866E0E153E364128DA228FF8E8B0BBF22289B626 | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\winvnc4.exe | executable | |
MD5:7043DDF51D7135C1D1B83B4213DFED61 | SHA256:B00D8EA00CB9C6CEF087E574795FE2E309BD8EF61F21BF7E6F6595D3F3707315 | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\is-PTJV7.tmp | executable | |
MD5:7043DDF51D7135C1D1B83B4213DFED61 | SHA256:B00D8EA00CB9C6CEF087E574795FE2E309BD8EF61F21BF7E6F6595D3F3707315 | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\is-M7U7J.tmp | executable | |
MD5:4A84D7C950986D3AE898143451EFAE29 | SHA256:B82FD264F28D6EEB49CDE267866E0E153E364128DA228FF8E8B0BBF22289B626 | |||
| 1104 | is-QHTRR.tmp | C:\Users\admin\AppData\Local\Temp\is-MDAVG.tmp\_shfoldr.dll | executable | |
MD5:92DC6EF532FBB4A5C3201469A5B5EB63 | SHA256:9884E9D1B4F8A873CCBD81F8AD0AE257776D2348D027D811A56475E028360D87 | |||
| 1104 | is-QHTRR.tmp | C:\Program Files (x86)\RealVNC\VNC4\is-Q6G7D.tmp | executable | |
MD5:A73B4C19A233181CD4CF0B9B8B3F7FBF | SHA256:B2C14524F74DE7831B3246313485E4DEBECBD235647791A025653720BEF850B6 | |||
| 1104 | is-QHTRR.tmp | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\RealVNC\VNC Server 4 (User-Mode)\Run VNC Server.lnk | binary | |
MD5:CB37A003132966F61013A8CA8DB73FC4 | SHA256:F63A158829238A2DB0214F09766DF8490496C395888957900436C75642805AEE | |||
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
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1956 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
324 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |