What is core.exe?

core.exe is part of GAS Tecnologia - Protection and developed by GAS Tecnologia LTDA according to the core.exe version information.

core.exe's description is "GAS Tecnologia - Core"

core.exe is digitally signed by Gas Informatica Ltda.

core.exe is usually located in the 'c:\program files\diebold\warsaw\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about core.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.

Vendor and version information [?]

The following is the available information on core.exe:

PropertyValue
Product nameGAS Tecnologia - Protection
Company nameGAS Tecnologia LTDA
File descriptionGAS Tecnologia - Core
Legal copyrightCopyright © 2019 - GAS Tecnologia
Product version2.8.5.0
File version2.8.5.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameGAS Tecnologia - Protection
Company nameGAS Tecnologia LTDA
File descriptionGAS Tecnologia - Core
Legal copyrightCopyright © 2019 - GAS Tecnologia
Product version2.8.5.0
File version2.8.5.0

Digital signatures [?]

core.exe has a valid digital signature.

PropertyValue
Signer nameGas Informatica Ltda
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number024e4dbc3ce7f612e666a167ee4a1299

VirusTotal report

None of the 66 anti-virus programs at VirusTotal detected the core.exe file.

None of the 66 anti-virus programs detected the core.exe file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1565985185.5312,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\buildagent\\workspace\\2579\\_tmp\\core\\msvc-12.0\\production\\address-model-64\\debug-symbols-on\\threadapi-win32\\threading-multi\\user-interface-gui\\core.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".gas0",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 10,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010cf58",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_GROUP_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010d3c0",
                "filetype": "MS Windows icon resource - 7 icons, 48x48",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000068"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010d428",
                "filetype": "data",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x0000029c"
            },
            {
                "name": "RT_MANIFEST",
                "language": "LANG_PORTUGUESE",
                "offset": "0x0010d6c8",
                "filetype": "XML 1.0 document, ASCII text",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x000004cc"
            }
        ],
        "references": [],
        "name": "origin_langid"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.9948136559804,
                "section": {
                    "size_of_data": "0x00009000",
                    "virtual_address": "0x000e3000",
                    "entropy": 7.9948136559804,
                    "name": ".pdata",
                    "virtual_size": "0x00008fc4"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    }
]

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": 662,
            "time": 6.2182619571686,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5190,
            "time": 6.1505088806152,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5518,
            "time": 4.1507649421692,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5846,
            "time": 6.1576409339905,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6174,
            "time": 4.7554459571838,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6502,
            "time": 3.041928768158,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6830,
            "time": 4.6714828014374,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15512,
            "time": 4.1710579395294,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 19704,
            "time": 6.249862909317,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "dccbea4264ba1ce53b2eb5e97a7b479a6dc8224b10d5ef568f109038a7d81eba",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "2e45d51e525a939cada4290ad560c60938d7f41b125ba3424d0947e348ba7692",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named core.exe

core.exe (9 votes)

Hashes [?]

PropertyValue
MD5fc808e703273dff228af0c707036cd08
SHA2567c72be5e98bd868be09e6580aec9dcd57935b38b5b18b48d1bb0527ed613fc59

Error Messages

These are some of the error messages that can appear related to core.exe:

core.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

core.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.

GAS Tecnologia - Core has stopped working.

End Program - core.exe. This program is not responding.

core.exe is not a valid Win32 application.

core.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with core.exe?

To help other users, please let us know what you will do with core.exe:



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.

Please select the option that best describe your thoughts on the information provided on this web page


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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.

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.

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