| File name: | TCPOptimizer.exe |
| Full analysis: | https://app.any.run/tasks/6a5a7ae3-ea96-4d6e-b6ed-7cb6b1eb1116 |
| Verdict: | Malicious activity |
| Analysis date: | January 25, 2024, 02:10:59 |
| 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: | 853FD4057B5F6F449AC8AA7884E31C25 |
| SHA1: | EE37A6F65AA1E159FCDC1F32AA5A876FB3D94D5E |
| SHA256: | FCCFFE55DF57DB636D1399BFD518AA1AB53ABBD8A4A845D46689D38F09B6C563 |
| SSDEEP: | 12288:h6ePjAb+10wU0iXk+ezOncoD5fSCFreJOS97M2IccUOV0X8c9VLlS8s5k:hVjAb+10j0i11DvarRr |
MALICIOUS
Drops the executable file immediately after the start
- TCPOptimizer.exe (PID: 3456)
SUSPICIOUS
Suspicious use of NETSH.EXE
- TCPOptimizer.exe (PID: 3456)
INFO
Checks supported languages
- TCPOptimizer.exe (PID: 3456)
- wmpnscfg.exe (PID: 2756)
Reads the machine GUID from the registry
- TCPOptimizer.exe (PID: 3456)
Create files in a temporary directory
- TCPOptimizer.exe (PID: 3456)
Reads the computer name
- TCPOptimizer.exe (PID: 3456)
- wmpnscfg.exe (PID: 2756)
Reads product name
- TCPOptimizer.exe (PID: 3456)
Reads Environment values
- TCPOptimizer.exe (PID: 3456)
Manual execution by a user
- wmpnscfg.exe (PID: 2756)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | InstallShield setup (33) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (23.9) |
| .exe | | | Win64 Executable (generic) (21.2) |
| .scr | | | Windows screen saver (10) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:02:22 15:26:49+01:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 348160 |
| InitializedDataSize: | 720896 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x3201f |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 4.1.0.0 |
| ProductVersionNumber: | 4.1.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | Coded and (c) Speed Guide, Inc. - [email protected] / [email protected] |
| CompanyName: | Speed Guide Inc. |
| FileDescription: | SG TCP Optimizer |
| FileVersion: | 4.1.0.0 |
| InternalName: | TCP Optimizer |
| LegalCopyright: | Copyright (c) 2001-2019 |
| LegalTrademarks: | Speed Guide Inc |
| OriginalFileName: | TCPOptimizer.exe |
| PrivateBuild: | - |
| ProductName: | SG TCP Optimizer Application |
| ProductVersion: | 4.1.0.0 |
| SpecialBuild: | - |
Total processes
52
Monitored processes
9
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 376 | netsh int ip show interfaces | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2100 | netsh interface tcp show global | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2324 | netsh interface tcp show heuristics | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2756 | "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
| |||||||||||||||
| 2808 | netsh int tcp show supplemental | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2892 | netsh int ip show interfaces | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3400 | netsh interface tcp show global | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3456 | "C:\Users\admin\AppData\Local\Temp\TCPOptimizer.exe" | C:\Users\admin\AppData\Local\Temp\TCPOptimizer.exe | — | explorer.exe | |||||||||||
User: admin Company: Speed Guide Inc. Integrity Level: MEDIUM Description: SG TCP Optimizer Exit code: 0 Version: 4.1.0.0 Modules
| |||||||||||||||
| 3564 | netsh interface tcp show heuristics | C:\Windows\System32\netsh.exe | — | TCPOptimizer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 630
Read events
3 308
Write events
322
Delete events
0
Modification events
| (PID) Process: | (2808) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (376) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2100) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2324) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2892) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3400) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3564) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3456 | TCPOptimizer.exe | C:\Users\admin\AppData\Local\Temp\FirstBackup.spg | text | |
MD5:44A1912199EE76F3C8185781600D2094 | SHA256:8FBF53CFC0E825A80F80595912E06AE34138C965F70B9FF0B7C138DC4C8A3B1D | |||
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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | unknown |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |