What is cht4sx64.sys?

cht4sx64.sys is part of Chelsio Communications iSCSI Controller and developed by Chelsio Communications according to the cht4sx64.sys version information.

cht4sx64.sys's description is "Chelsio iSCSI VMiniport Driver"

cht4sx64.sys is digitally signed by Microsoft Windows.

cht4sx64.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about cht4sx64.sys.

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 cht4sx64.sys:

PropertyValue
Product nameChelsio Communications iSCSI Controller
Company nameChelsio Communications
File descriptionChelsio iSCSI VMiniport Driver
Internal namecht4iscsi.sys
Original filenamecht4iscsi.sys
Legal copyrightCopyright © 2016 Chelsio Communications. All rights reserved.
Product version10.0.10011.16384
File version6.9.12.400

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

Product nameChelsio Communications iSCSI Control..
Company nameChelsio Communications
File descriptionChelsio iSCSI VMiniport Driver
Internal namecht4iscsi.sys
Original filenamecht4iscsi.sys
Legal copyrightCopyright © 2016 Chelsio Communicat..
Product version10.0.10011.16384
File version6.9.12.400

Digital signatures [?]

cht4sx64.sys has a valid digital signature.

PropertyValue
Signer nameMicrosoft Windows
Certificate issuer nameMicrosoft Windows Production PCA 2011
Certificate serial number33000001c422b2f79b793dacb20000000001c4

VirusTotal report

None of the 65 anti-virus programs at VirusTotal detected the cht4sx64.sys file.

None of the 65 anti-virus programs detected the cht4sx64.sys file.

Sandbox Report

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

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1565787184.3281,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "cht4sx64.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "PAGE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "INIT",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 710,
            "time": 1.0150911808014,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1038,
            "time": -0.10058784484863,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1366,
            "time": 1.0512371063232,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "d44edaa5f410ccd94daf54a67bbe2116225e91a1f8ffaa09fe24ebd1639a94a3",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "3a8d538deb258d3bff45d28391aa591097af88e99b1a81d3a05079c1843179ad",
    "irc": [],
    "https_ex": []
}

Hashes [?]

PropertyValue
MD5e5259475d04aa9c04d2b44db0bac05d8
SHA256d474c0ac0d6fcd11d94c10b6d0b756918b61a326046ef49d82b8a89a98294f70

What will you do with cht4sx64.sys?

To help other users, please let us know what you will do with cht4sx64.sys:



Malware or legitimate?

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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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