What is winoacnac.dll?
winoacnac.dll is developed by TEC Solutions Limited. according to the winoacnac.dll version information.
winoacnac.dll's description is "RunNacAgent DLL"
winoacnac.dll is digitally signed by T.E.C Solutions (G.Z.)Limited.
winoacnac.dll is usually located in the 'c:\Windows\SysWOW64\' folder.
Some of the anti-virus scanners at VirusTotal detected winoacnac.dll.
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.
Vendor and version information [?]
The following is the available information on winoacnac.dll:
| Property | Value |
|---|---|
| Company name | TEC Solutions Limited. |
| File description | RunNacAgent DLL |
| Comments | http://www.register-center.com/ |
| Legal copyright | Copyright 2001-2010, TEC Solutions Limited |
| Legal trademark | OCular |
| Product version | 4, 26, 1101, 0 |
| File version | 4, 26, 1101, 0 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Company name | TEC Solutions Limited. |
| File description | RunNacAgent DLL |
| Comments | http://www.register-center.com/ |
| Legal copyright | Copyright 2001-2010, TEC Solutions L.. |
| Legal trademark | OCular |
| Product version | 4, 26, 1101, 0 |
| File version | 4, 26, 1101, 0 |
Digital signatures [?]
winoacnac.dll has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | T.E.C Solutions (G.Z.)Limited |
| Certificate issuer name | VeriSign Class 3 Code Signing 2010 CA |
| Certificate serial number | 2c37ad6aea04cfd4c745055e6d28946b |
VirusTotal report
1 of the 70 anti-virus programs at VirusTotal detected the winoacnac.dll file. That's a 1% detection rate.
| Scanner | Detection Name |
|---|---|
| ESET-NOD32 | a variant of Win32/IP-guard.D potentially unsafe |
Sandbox Report
The following information was gathered by executing the file inside Cuckoo Sandbox.
Summary
Successfully executed process in sandbox.
Summary
{
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll.manifest",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
],
"dll_loaded": [
"ntdll.dll",
"kernel32.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll"
]
}Generic
[
{
"process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
"process_name": "rundll32.exe",
"pid": 2740,
"summary": {
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll.manifest",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
],
"dll_loaded": [
"ntdll.dll",
"kernel32.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7.bin.dll"
]
},
"first_seen": 1606305187.6875,
"ppid": 1664
},
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1606305187.328125,
"ppid": 376
}
]Signatures
[
{
"markcount": 1,
"families": [],
"description": "The executable uses a known packer",
"severity": 1,
"marks": [
{
"category": "packer",
"ioc": "Armadillo v1.xx - v2.xx",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "peid_packer"
},
{
"markcount": 4,
"families": [],
"description": "Allocates read-write-execute memory (usually to unpack itself)",
"severity": 2,
"marks": [
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2740,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x1008b000"
},
"time": 1606305187.8125,
"tid": 2436,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2740,
"type": "call",
"cid": 10
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2740,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x77351000"
},
"time": 1606305187.8125,
"tid": 2436,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2740,
"type": "call",
"cid": 12
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2740,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x74f11000"
},
"time": 1606305187.8125,
"tid": 2436,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2740,
"type": "call",
"cid": 14
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2740,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x77311000"
},
"time": 1606305187.8125,
"tid": 2436,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2740,
"type": "call",
"cid": 16
}
],
"references": [],
"name": "allocates_rwx"
},
{
"markcount": 20,
"families": [],
"description": "Foreign language identified in PE resource",
"severity": 2,
"marks": [
{
"name": "RT_CURSOR",
"language": "LANG_CHINESE",
"offset": "0x000ae948",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000000b4"
},
{
"name": "RT_CURSOR",
"language": "LANG_CHINESE",
"offset": "0x000ae948",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000000b4"
},
{
"name": "RT_BITMAP",
"language": "LANG_CHINESE",
"offset": "0x000af320",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000144"
},
{
"name": "RT_BITMAP",
"language": "LANG_CHINESE",
"offset": "0x000af320",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000144"
},
{
"name": "RT_BITMAP",
"language": "LANG_CHINESE",
"offset": "0x000af320",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000144"
},
{
"name": "RT_BITMAP",
"language": "LANG_CHINESE",
"offset": "0x000af320",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000144"
},
{
"name": "RT_DIALOG",
"language": "LANG_CHINESE",
"offset": "0x000af010",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000000e2"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000afd38",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000024"
},
{
"name": "RT_GROUP_CURSOR",
"language": "LANG_CHINESE",
"offset": "0x000aea00",
"filetype": "MS Windows cursor resource - 2 icons, 32x256, hotspot @1x1",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000022"
},
{
"name": "RT_VERSION",
"language": "LANG_CHINESE",
"offset": "0x000ae460",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000003ac"
}
],
"references": [],
"name": "origin_langid"
}
]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": 3.0793819427490234,
"dport": 137,
"sport": 137
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5074,
"time": 3.0369961261749268,
"dport": 5355,
"sport": 51001
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5402,
"time": 1.0162420272827148,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5730,
"time": 3.0481040477752686,
"dport": 5355,
"sport": 53848
},
{
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"dst": "224.0.0.252",
"offset": 6058,
"time": 1.5188660621643066,
"dport": 5355,
"sport": 54255
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 6386,
"time": -0.09957003593444824,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 6714,
"time": 1.5332300662994385,
"dport": 1900,
"sport": 1900
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 16512,
"time": 1.048501968383789,
"dport": 3702,
"sport": 49152
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 24896,
"time": 3.125638961791992,
"dport": 1900,
"sport": 53598
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "32950bf0ff3810dea73968f9c1dc1fe22f0056ffd1a3c2b7f537c5efeb78472d",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "3bd6687935127961b41dbf2e02b39c3226008a7f001b7daf3600b5d6c24520c9",
"irc": [],
"https_ex": []
}Screenshots
Hashes [?]
| Property | Value |
|---|---|
| MD5 | de118bbf3377b965b72223e5daa35c01 |
| SHA256 | 10c39f2502dfa18018abb0318bdac21eb1145479ffb4b2023ba05b70881f0cc7 |
What will you do with winoacnac.dll?
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Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
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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.
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