What is netsys.exe?
netsys.exe is usually located in the 'c:\windows\' folder.
Some of the anti-virus scanners at VirusTotal detected netsys.exe.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Digital signatures [?]
netsys.exe is not signed.
VirusTotal report
53 of the 72 anti-virus programs at VirusTotal detected the netsys.exe file. That's a 74% detection rate.
| Scanner | Detection Name |
|---|---|
| Acronis | suspicious |
| Ad-Aware | Gen:Variant.Razy.594772 |
| AegisLab | Trojan.Win32.Staser.4!c |
| AhnLab-V3 | Trojan/Win32.Staser.R306877 |
| Alibaba | Trojan:Win32/Staser.bb3f4d03 |
| ALYac | Gen:Variant.Razy.594772 |
| Antiy-AVL | Trojan/Win32.Staser |
| APEX | Malicious |
| Arcabit | Trojan.Razy.D91354 |
| Avast | Win32:MalwareX-gen [Trj] |
| AVG | Win32:MalwareX-gen [Trj] |
| BitDefender | Gen:Variant.Razy.594772 |
| BitDefenderTheta | Gen:NN.ZexaF.33564.7uW@aml19pii |
| Bkav | W32.AIDetectVM.malware |
| Comodo | Malware@#3mul7zc5amm7t |
| CrowdStrike | win/malicious_confidence_60% (W) |
| Cybereason | malicious.52a8b6 |
| Cylance | Unsafe |
| Cyren | W32/Trojan.ZWRD-2183 |
| DrWeb | Trojan.DownLoader32.43809 |
| eGambit | Unsafe.AI_Score_99% |
| Emsisoft | Gen:Variant.Razy.594772 (B) |
| Endgame | malicious (high confidence) |
| ESET-NOD32 | a variant of Win32/Agent.UAF |
| F-Secure | Trojan.TR/Agent.nypzb |
| FireEye | Generic.mg.fb53d3153fec8be4 |
| Fortinet | W32/AGENT.UAF!tr |
| GData | Gen:Variant.Razy.594772 |
| Ikarus | Trojan.Win32.Agent |
| Invincea | heuristic |
| Jiangmin | Trojan.Staser.cce |
| K7AntiVirus | Trojan ( 0046f3e51 ) |
| K7GW | Trojan ( 0046f3e51 ) |
| Kaspersky | HEUR:Trojan.Win32.Staser.vho |
| Malwarebytes | Trojan.Downloader |
| MAX | malware (ai score=84) |
| McAfee | GenericRXAA-AA!FB53D3153FEC |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.dh |
| Microsoft | Trojan:Win32/Occamy.C |
| MicroWorld-eScan | Gen:Variant.Razy.594772 |
| Paloalto | generic.ml |
| Panda | Trj/GdSda.A |
| Qihoo-360 | Win32/Trojan.5a3 |
| Rising | Trojan.Agent!8.B1E (CLOUD) |
| Sangfor | Malware |
| SentinelOne | DFI - Malicious PE |
| Sophos | Mal/Generic-S |
| Symantec | ML.Attribute.HighConfidence |
| TrendMicro | TROJ_GEN.R002C0WA520 |
| TrendMicro-HouseCall | TROJ_GEN.R002C0WA520 |
| VBA32 | Trojan.Staser |
| Webroot | W32.Trojan.Gen |
| ZoneAlarm | HEUR:Trojan.Win32.Staser.vho |
Sandbox Report
The following information was gathered by executing the file inside Cuckoo Sandbox.
Summary
Successfully executed process in sandbox.
Summary
{
"file_recreated": [
"\\??\\Nul",
"\\??\\Nsi"
],
"dll_loaded": [
"credssp.dll",
"SspiCli.dll",
"kernel32",
"cryptsp.dll",
"DNSAPI.dll",
"kernel32.dll",
"C:\\Windows\\system32\\mswsock.dll",
"RPCRT4.dll",
"ADVAPI32.dll",
"rpcrt4.dll",
"C:\\Windows\\System32\\wshtcpip.dll",
"SHLWAPI.dll",
"WS2_32.dll",
"C:\\Windows\\System32\\wship6.dll",
"winhttp.dll"
],
"file_opened": [
"C:\\",
"C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
],
"file_copied": [
[
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Windows\\netsys.exe"
]
],
"regkey_opened": [
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LsaExtensionConfig\\SspiCli",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing",
"HKEY_LOCAL_MACHINE\\Software\\Policies\\Microsoft\\Windows NT\\Rpc",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip6\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip6",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Command Processor",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp",
"HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\System",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Parameters",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Rpc",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders\\SaslProfiles",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Lsa\\SspiCache",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Setup Migration\\Providers"
],
"resolves_host": [
"ip-api.com",
"1.1.1.1",
"api.ip.sb"
],
"file_deleted": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin"
],
"file_exists": [
"C:\\Users\\All Users\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\cuck\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\Public\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\cuck\\AppData\\Local\\Temp",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Users\\Default User\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Windows\\netsys.exe",
"C:\\Users\\Default\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies"
],
"command_line": [
"cmd.exe \/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del \/f \/q \"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin\"",
"ping 1.1.1.1 -n 1 -w 3000 "
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\TokenSize",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\AutoRun",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DisableUNCCheck",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Rpc\\MaxRpcSize",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MaxSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\UseDelayedAcceptance",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureRoutine",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DelayedExpansion",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\CompletionChar",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\SecurityProviders\\SecurityProviders",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MinSockaddrLength",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DefaultColor",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DelayedExpansion",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing\\Enabled",
"HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\SystemSetupInProgress",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\EnableExtensions",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\DefaultTTL",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\PathCompletionChar",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ShareCredsWithWinHttp",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\CompletionChar",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureDll",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Type",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Parameters\\Transports",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\EnableExtensions",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Comment",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Name",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\DisableBranchCache",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\CEIPEnable",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Version",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\MaxSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\ComputerName\\ActiveComputerName\\ComputerName",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip\\WinSock 2.0 Provider ID",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Capabilities",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\HelperDllName",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\HelperDllName",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip6\\WinSock 2.0 Provider ID",
"HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\OOBEInProgress",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\PathCompletionChar",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\MinSockaddrLength",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DisableUNCCheck",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\WinHttpSettings",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\RpcId",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\UseDelayedAcceptance",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DefaultColor",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\AutoRun"
],
"directory_enumerated": [
"C:\\Users\\*",
"C:\\Windows\\System32\\PING.EXE",
"C:\\Python27\\ping",
"C:\\Users\\cuck\\AppData",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\ping",
"C:\\Python27\\ping.*",
"C:\\Python27\\Scripts\\ping",
"C:\\Windows\\System32\\PING.COM",
"C:\\Users\\cuck\\AppData\\Local\\Temp",
"C:\\Users\\cuck",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\ping.*",
"C:\\Users",
"C:\\Python27\\Scripts\\ping.*",
"C:\\Windows\\System32\\ping.*",
"C:\\Users\\cuck\\AppData\\Local"
]
}Dropped
[
{
"yara": [],
"sha1": "51b894352a8b64e9e5ee54f411415802d87f1ba7",
"name": "660c4e20267b528b_660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"filepath": "C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"type": "PE32 executable (GUI) Intel 80386, for MS Windows",
"sha256": "660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f",
"urls": [
"https:\/\/www.facebook.com\/."
],
"crc32": "B50E95F1",
"path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/4904\/files\/660c4e20267b528b_660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"ssdeep": null,
"size": 980992,
"sha512": "8902e906e842d0696053515a966c356dabca8fd76fdbebf25138d00e066810ae2559c5a8a6c1d0ddab9c615d09bb4689e5df6126e33bdf3f536b2fa5c102a3b3",
"pids": [],
"md5": "fb53d3153fec8be47308cdfe85265f1f"
}
]Generic
[
{
"process_path": "C:\\Windows\\SysWOW64\\cmd.exe",
"process_name": "cmd.exe",
"pid": 1480,
"summary": {
"file_recreated": [
"\\??\\Nul"
],
"dll_loaded": [
"kernel32.dll"
],
"file_opened": [
"C:\\",
"C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
],
"regkey_opened": [
"HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\System",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Command Processor"
],
"file_deleted": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin"
],
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Users\\cuck\\AppData\\Local\\Temp"
],
"command_line": [
"ping 1.1.1.1 -n 1 -w 3000 "
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DefaultColor",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\AutoRun",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DelayedExpansion",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DisableUNCCheck",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\EnableExtensions",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\CompletionChar",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\EnableExtensions",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\PathCompletionChar",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\PathCompletionChar",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\DisableUNCCheck",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DelayedExpansion",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\AutoRun",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Command Processor\\DefaultColor",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Command Processor\\CompletionChar"
],
"directory_enumerated": [
"C:\\Windows\\System32\\PING.EXE",
"C:\\Python27\\ping",
"C:\\Users\\cuck\\AppData",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\ping",
"C:\\Python27\\ping.*",
"C:\\Python27\\Scripts\\ping",
"C:\\Windows\\System32\\PING.COM",
"C:\\Users\\cuck\\AppData\\Local\\Temp",
"C:\\Users\\cuck",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\ping.*",
"C:\\Users",
"C:\\Python27\\Scripts\\ping.*",
"C:\\Windows\\System32\\ping.*",
"C:\\Users\\cuck\\AppData\\Local"
]
},
"first_seen": 1578631987.078125,
"ppid": 2740
},
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1578631986.46875,
"ppid": 376
},
{
"process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"process_name": "660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"pid": 2740,
"summary": {
"dll_loaded": [
"credssp.dll",
"C:\\Windows\\system32\\mswsock.dll",
"kernel32",
"cryptsp.dll",
"DNSAPI.dll",
"kernel32.dll",
"SspiCli.dll",
"ADVAPI32.dll",
"RPCRT4.dll",
"C:\\Windows\\System32\\wshtcpip.dll",
"SHLWAPI.dll",
"WS2_32.dll",
"C:\\Windows\\System32\\wship6.dll",
"winhttp.dll"
],
"command_line": [
"cmd.exe \/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del \/f \/q \"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin\""
],
"file_copied": [
[
"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"C:\\Windows\\netsys.exe"
]
],
"regkey_opened": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LsaExtensionConfig\\SspiCli",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip6",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip6\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Parameters",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Setup Migration\\Providers",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders\\SaslProfiles",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Lsa\\SspiCache",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections"
],
"resolves_host": [
"ip-api.com",
"api.ip.sb"
],
"file_exists": [
"C:\\Users\\All Users\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\cuck\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\Public\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Users\\Default User\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"C:\\Windows\\netsys.exe",
"C:\\Users\\Default\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\TokenSize",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MaxSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\UseDelayedAcceptance",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureRoutine",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\SecurityProviders\\SecurityProviders",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MinSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip\\WinSock 2.0 Provider ID",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ShareCredsWithWinHttp",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing\\Enabled",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\MinSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureDll",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Parameters\\Transports",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Comment",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Name",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\DisableBranchCache",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\CEIPEnable",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\RpcId",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\MaxSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\UseDelayedAcceptance",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Capabilities",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\HelperDllName",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\HelperDllName",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip6\\WinSock 2.0 Provider ID",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\WinHttpSettings",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Version",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Type"
],
"directory_enumerated": [
"C:\\Users\\*"
]
},
"first_seen": 1578631986.78125,
"ppid": 2456
},
{
"process_path": "C:\\Windows\\SysWOW64\\PING.EXE",
"process_name": "PING.EXE",
"pid": 2244,
"summary": {
"file_recreated": [
"\\??\\Nsi"
],
"regkey_opened": [
"HKEY_LOCAL_MACHINE\\Software\\Policies\\Microsoft\\Windows NT\\Rpc",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip6\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Winsock",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Parameters",
"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Rpc",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip",
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Winsock\\Setup Migration\\Providers"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MinSockaddrLength",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\TCPIP6\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\HelperDllName",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Rpc\\MaxRpcSize",
"HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\SystemSetupInProgress",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\MaxSockaddrLength",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\DefaultTTL",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Parameters\\Transports",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\Mapping",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Tcpip\\Parameters\\Winsock\\UseDelayedAcceptance",
"HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\OOBEInProgress",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\ComputerName\\ActiveComputerName\\ComputerName",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\CEIPEnable",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winsock\\Setup Migration\\Providers\\Tcpip\\WinSock 2.0 Provider ID"
],
"dll_loaded": [
"rpcrt4.dll",
"C:\\Windows\\System32\\wshtcpip.dll",
"C:\\Windows\\system32\\mswsock.dll"
],
"resolves_host": [
"1.1.1.1"
]
},
"first_seen": 1578631987.25,
"ppid": 1480
}
]Signatures
[
{
"markcount": 1,
"families": [],
"description": "This executable has a PDB path",
"severity": 1,
"marks": [
{
"category": "pdb_path",
"ioc": "D:\\workspace\\fb\\download_o\\Release\\netsystem.pdb",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "has_pdb"
},
{
"markcount": 1,
"families": [],
"description": "Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available",
"severity": 1,
"marks": [
{
"call": {
"category": "system",
"status": 1,
"stacktrace": [],
"api": "GlobalMemoryStatusEx",
"return_value": 1,
"arguments": {},
"time": 1578631987.312,
"tid": 2468,
"flags": {}
},
"pid": 2244,
"type": "call",
"cid": 22
}
],
"references": [],
"name": "antivm_memory_available"
},
{
"markcount": 5,
"families": [],
"description": "Steals private information from local Internet browsers",
"severity": 2,
"marks": [
{
"category": "file",
"ioc": "C:\\Users\\cuck\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"type": "ioc",
"description": null
},
{
"category": "file",
"ioc": "C:\\Users\\All Users\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"type": "ioc",
"description": null
},
{
"category": "file",
"ioc": "C:\\Users\\Public\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"type": "ioc",
"description": null
},
{
"category": "file",
"ioc": "C:\\Users\\Default\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"type": "ioc",
"description": null
},
{
"category": "file",
"ioc": "C:\\Users\\Default User\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Cookies",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "infostealer_browser"
},
{
"markcount": 1,
"families": [],
"description": "Creates a suspicious process",
"severity": 2,
"marks": [
{
"category": "cmdline",
"ioc": "cmd.exe \/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del \/f \/q \"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin\"",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "suspicious_process"
},
{
"markcount": 1,
"families": [],
"description": "Drops an executable to the user AppData folder",
"severity": 2,
"marks": [
{
"category": "file",
"ioc": "C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "exe_appdata"
},
{
"markcount": 1,
"families": [],
"description": "A process created a hidden window",
"severity": 2,
"marks": [
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "CreateProcessInternalW",
"return_value": 1,
"arguments": {
"thread_identifier": 1516,
"thread_handle": "0x00000180",
"process_identifier": 1480,
"current_directory": "",
"filepath": "",
"track": 1,
"command_line": "cmd.exe \/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del \/f \/q \"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin\"",
"filepath_r": "",
"stack_pivoted": 0,
"creation_flags": 134217728,
"process_handle": "0x00000104",
"inherit_handles": 0
},
"time": 1578631987.01525,
"tid": 2436,
"flags": {
"creation_flags": "CREATE_NO_WINDOW"
}
},
"pid": 2740,
"type": "call",
"cid": 300
}
],
"references": [],
"name": "stealth_window"
},
{
"markcount": 2,
"families": [],
"description": "Uses Windows utilities for basic Windows functionality",
"severity": 2,
"marks": [
{
"category": "cmdline",
"ioc": "cmd.exe \/C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del \/f \/q \"C:\\Users\\cuck\\AppData\\Local\\Temp\\660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f.bin\"",
"type": "ioc",
"description": null
},
{
"category": "cmdline",
"ioc": "ping 1.1.1.1 -n 1 -w 3000 ",
"type": "ioc",
"description": null
}
],
"references": [
"http:\/\/blog.jpcert.or.jp\/2016\/01\/windows-commands-abused-by-attackers.html"
],
"name": "uses_windows_utilities"
},
{
"markcount": 1,
"families": [],
"description": "Installs itself for autorun at Windows startup",
"severity": 3,
"marks": [
{
"service_name": "networksys",
"type": "generic",
"service_path": "C:\\Windows\\netsys.exe"
}
],
"references": [],
"name": "persistence_autorun"
},
{
"markcount": 1,
"families": [],
"description": "Created a service where a service was also not started",
"severity": 3,
"marks": [
{
"call": {
"category": "services",
"status": 1,
"stacktrace": [],
"api": "CreateServiceW",
"return_value": 3816600,
"arguments": {
"service_start_name": "",
"start_type": 2,
"service_handle": "0x003a3c98",
"display_name": "Network System",
"error_control": 1,
"service_name": "networksys",
"filepath": "C:\\Windows\\netsys.exe",
"filepath_r": "C:\\Windows\\netsys.exe",
"service_manager_handle": "0x003b9638",
"desired_access": 983551,
"service_type": 16,
"password": ""
},
"time": 1578631986.98425,
"tid": 2436,
"flags": {}
},
"pid": 2740,
"type": "call",
"cid": 299
}
],
"references": [],
"name": "creates_service"
}
]Yara
The Yara rules did not detect anything in the file.
Network
{
"tls": [],
"udp": [
{
"src": "192.168.56.101",
"dst": "192.168.56.255",
"offset": 546,
"time": 3.079200029373169,
"dport": 137,
"sport": 137
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4318,
"time": 3.0164899826049805,
"dport": 5355,
"sport": 51001
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4646,
"time": 1.0300440788269043,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4974,
"time": 3.0239369869232178,
"dport": 5355,
"sport": 53848
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5302,
"time": 1.6619439125061035,
"dport": 5355,
"sport": 54255
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5630,
"time": -0.09462809562683105,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 5958,
"time": 1.0517749786376953,
"dport": 1900,
"sport": 1900
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 15628,
"time": 1.0520389080047607,
"dport": 3702,
"sport": 49152
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 19820,
"time": 3.1273810863494873,
"dport": 1900,
"sport": 53598
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "3bc9d6f1868262325a091352661778eed03caffd94e49ed9549e57862e8a0bf1",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "8fef1d1a98a508aa03a35221355b65369f89cae9f6d8bd74a9090cf33bed7dc1",
"irc": [],
"https_ex": []
}Screenshots
netsys.exe removal instructions
The instructions below shows how to remove netsys.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the netsys.exe file for removal, restart your computer and scan it again to verify that netsys.exe has been successfully removed. Here are the removal instructions in more detail:
- Download and install FreeFixer: http://www.freefixer.com/download.html
- Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
- When the scan is finished, locate netsys.exe in the scan result and tick the checkbox next to the netsys.exe file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate netsys.exe in the scan result.
c:\windows\netsys.exe 
- Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the netsys.exe file.
- Restart your computer.
- Start FreeFixer and scan your computer again. If netsys.exe still remains in the scan result, proceed with the next step. If netsys.exe is gone from the scan result you're done.
- If netsys.exe still remains in the scan result, check its checkbox again in the scan result and click Fix.
- Restart your computer.
- Start FreeFixer and scan your computer again. Verify that netsys.exe no longer appear in the scan result.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | fb53d3153fec8be47308cdfe85265f1f |
| SHA256 | 660c4e20267b528bccf84113b51e3885dc83ec33ed0e394c9a0e128da8b2649f |
Error Messages
These are some of the error messages that can appear related to netsys.exe:
netsys.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
netsys.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.
netsys.exe has stopped working.
End Program - netsys.exe. This program is not responding.
netsys.exe is not a valid Win32 application.
netsys.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
What will you do with netsys.exe?
To help other users, please let us know what you will do with netsys.exe:
What did other users do?
The poll result listed below shows what users chose to do with netsys.exe. 100% have voted for removal. Based on votes from 1 user.
| Votes | |||
|---|---|---|---|
| Keep | 0 % | 0 | |
| Remove | 100 % | 1 |
NOTE: Please do not use this poll as the only source of input to determine what you will do with netsys.exe. Only 1 user has voted so far so it does not offer a high degree of confidence.
Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.