What is slack.exe?

slack.exe is part of Slack and developed by Slack Technologies Inc. according to the slack.exe version information.

slack.exe's description is "Slack"

slack.exe is digitally signed by Slack Technologies, Inc..

slack.exe is usually located in the 'c:\users\%USERNAME%\appdata\local\slack\' folder.

Some of the anti-virus scanners at VirusTotal detected slack.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.

VirusTotal report

1 of the 72 anti-virus programs at VirusTotal detected the slack.exe file. That's a 1% detection rate.

Scanner	Detection Name
Jiangmin	AdWare.Generic.lomx

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "directory_enumerated": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\app-*"
    ],
    "dll_loaded": [
        "kernel32",
        "advapi32",
        "api-ms-win-core-localization-l1-2-1",
        "api-ms-win-core-fibers-l1-1-1",
        "api-ms-win-core-synch-l1-2-0"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\eb047a9c9060cd9d7352db2c771878efd54889004c46ba004db7b7180b82cbcd.bin",
        "process_name": "eb047a9c9060cd9d7352db2c771878efd54889004c46ba004db7b7180b82cbcd.bin",
        "pid": 2816,
        "summary": {
            "directory_enumerated": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\app-*"
            ],
            "dll_loaded": [
                "kernel32",
                "advapi32",
                "api-ms-win-core-localization-l1-2-1",
                "api-ms-win-core-fibers-l1-1-1",
                "api-ms-win-core-synch-l1-2-0"
            ]
        },
        "first_seen": 1594083186.640625,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1594083186.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\Users\\paulb\\code\\squirrel\\squirrel.windows\\src\\StubExecutable\\bin\\Release\\StubExecutable.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": ".gfids",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "One or more processes crashed",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "__notification__",
                    "status": 1,
                    "stacktrace": [],
                    "raw": [
                        "stacktrace"
                    ],
                    "api": "__exception__",
                    "return_value": 0,
                    "arguments": {
                        "stacktrace": "e\nb\n0\n4\n7\na\n9\nc\n9\n0\n6\n0\nc\nd\n9\nd\n7\n3\n5\n2\nd\nb\n2\nc\n7\n7\n1\n8\n7\n8\ne\nf\nd\n5\n4\n8\n8\n9\n0\n0\n4\nc\n4\n6\nb\na\n0\n0\n4\nd\nb\n7\nb\n7\n1\n8\n0\nb\n8\n2\nc\nb\nc\nd\n+\n0\nx\n4\nb\n5\n7\n \n@\n \n0\nx\n1\nb\n4\nb\n5\n7\n\n\ne\nb\n0\n4\n7\na\n9\nc\n9\n0\n6\n0\nc\nd\n9\nd\n7\n3\n5\n2\nd\nb\n2\nc\n7\n7\n1\n8\n7\n8\ne\nf\nd\n5\n4\n8\n8\n9\n0\n0\n4\nc\n4\n6\nb\na\n0\n0\n4\nd\nb\n7\nb\n7\n1\n8\n0\nb\n8\n2\nc\nb\nc\nd\n+\n0\nx\n4\n5\na\n6\n \n@\n \n0\nx\n1\nb\n4\n5\na\n6\n\n\ne\nb\n0\n4\n7\na\n9\nc\n9\n0\n6\n0\nc\nd\n9\nd\n7\n3\n5\n2\nd\nb\n2\nc\n7\n7\n1\n8\n7\n8\ne\nf\nd\n5\n4\n8\n8\n9\n0\n0\n4\nc\n4\n6\nb\na\n0\n0\n4\nd\nb\n7\nb\n7\n1\n8\n0\nb\n8\n2\nc\nb\nc\nd\n+\n0\nx\n4\n9\nd\n6\n \n@\n \n0\nx\n1\nb\n4\n9\nd\n6\n\n\ne\nb\n0\n4\n7\na\n9\nc\n9\n0\n6\n0\nc\nd\n9\nd\n7\n3\n5\n2\nd\nb\n2\nc\n7\n7\n1\n8\n7\n8\ne\nf\nd\n5\n4\n8\n8\n9\n0\n0\n4\nc\n4\n6\nb\na\n0\n0\n4\nd\nb\n7\nb\n7\n1\n8\n0\nb\n8\n2\nc\nb\nc\nd\n+\n0\nx\n8\nf\nc\n1\n \n@\n \n0\nx\n1\nb\n8\nf\nc\n1\n\n\nB\na\ns\ne\nT\nh\nr\ne\na\nd\nI\nn\ni\nt\nT\nh\nu\nn\nk\n+\n0\nx\n1\n2\n \nV\ne\nr\ni\nf\ny\nC\no\nn\ns\no\nl\ne\nI\no\nH\na\nn\nd\nl\ne\n-\n0\nx\nb\n3\n \nk\ne\nr\nn\ne\nl\n3\n2\n+\n0\nx\n1\n3\n3\nc\na\n \n@\n \n0\nx\n7\n5\nb\nc\n3\n3\nc\na\n\n\nR\nt\nl\nI\nn\ni\nt\ni\na\nl\ni\nz\ne\nE\nx\nc\ne\np\nt\ni\no\nn\nC\nh\na\ni\nn\n+\n0\nx\n6\n3\n \nR\nt\nl\nA\nl\nl\no\nc\na\nt\ne\nA\nc\nt\ni\nv\na\nt\ni\no\nn\nC\no\nn\nt\ne\nx\nt\nS\nt\na\nc\nk\n-\n0\nx\na\n1\n \nn\nt\nd\nl\nl\n+\n0\nx\n3\n9\ne\nd\n2\n \n@\n \n0\nx\n7\n7\nb\nc\n9\ne\nd\n2\n\n\nR\nt\nl\nI\nn\ni\nt\ni\na\nl\ni\nz\ne\nE\nx\nc\ne\np\nt\ni\no\nn\nC\nh\na\ni\nn\n+\n0\nx\n3\n6\n \nR\nt\nl\nA\nl\nl\no\nc\na\nt\ne\nA\nc\nt\ni\nv\na\nt\ni\no\nn\nC\no\nn\nt\ne\nx\nt\nS\nt\na\nc\nk\n-\n0\nx\nc\ne\n \nn\nt\nd\nl\nl\n+\n0\nx\n3\n9\ne\na\n5\n \n@\n \n0\nx\n7\n7\nb\nc\n9\ne\na\n5",
                        "registers": {
                            "esp": 5110092,
                            "edi": 5111252,
                            "eax": 0,
                            "ebp": 5110092,
                            "edx": 0,
                            "ebx": 0,
                            "esi": 5111252,
                            "ecx": 0
                        },
                        "exception": {
                            "instruction_r": "66 39 0a 74 16 56 8d 72 02 66 8b 02 83 c2 02 66",
                            "symbol": "eb047a9c9060cd9d7352db2c771878efd54889004c46ba004db7b7180b82cbcd+0x721e",
                            "instruction": "cmp word ptr [edx], cx",
                            "module": "eb047a9c9060cd9d7352db2c771878efd54889004c46ba004db7b7180b82cbcd.bin",
                            "exception_code": "0xc0000005",
                            "offset": 29214,
                            "address": "0x1b721e"
                        }
                    },
                    "time": 1594083186.734625,
                    "tid": 2420,
                    "flags": {}
                },
                "pid": 2816,
                "type": "call",
                "cid": 66
            }
        ],
        "references": [],
        "name": "raises_exception"
    }
]

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": 6.184270858764648,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3462,
            "time": 6.146776914596558,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3790,
            "time": 4.142982006072998,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4118,
            "time": 6.1579320430755615,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4446,
            "time": 4.641652822494507,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4774,
            "time": 3.0223779678344727,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5102,
            "time": 4.669179916381836,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11572,
            "time": 4.176733016967773,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15764,
            "time": 6.231637954711914,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "37883291456ad0ff024b8ae331d77df357c9b6367cd4c536cff7fa060a540f08",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "942ab10115b78810b1ea3ddcd9b0eddc06b58da251cf59643185774f3f8240c7",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named slack.exe

slack.exe (7 votes)

Error Messages

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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