MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a
SHA3-384 hash: 52bbf14781c71a509639597a82789b454a95f7e41a9101da61a24bfc26303f8eaef60bda37883d49f11f4c6f76a895a4
SHA1 hash: 7c4288d0625c2f2ca165347f47f0febae29a16f5
MD5 hash: 6345160bb604b872d66ee9cc99289d7e
humanhash: grey-bulldog-aspen-video
File name:1.sh
Download: download sample
Signature Mirai
Create hunting rule
File size:3'284 bytes
First seen:2026-03-27 11:50:32 UTC
Last seen:2026-03-27 11:51:51 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 96:i57Q5oq5tg5Ua52S5ae5T85z45ysL55g5ge52435lYL53M56WY:w7eootuUY2gaETyz2yk5ugE24JlYV3CI
TLSH T1E3616295314242B12EBD8F37627E49243183E0A76CEF7F59D5EE24E8849CEDAF040752
TrID 70.0% (.SH) Linux/UNIX shell script (7000/1)
30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika shell
Reporter adliwahid
Tags:mirai
URLMalware sample (SHA256 hash)SignatureTags
http://165.22.252.236/windyloveyou/windy.x86n/an/an/a
http://165.22.252.236/windyloveyou/windy.mipsn/an/an/a
http://165.22.252.236/windyloveyou/windy.arcn/an/an/a
http://165.22.252.236/windyloveyou/windy.i468n/an/an/a
http://165.22.252.236/windyloveyou/windy.i686n/an/an/a
http://165.22.252.236/windyloveyou/windy.x86_64n/an/an/a
http://165.22.252.236/windyloveyou/windy.mpsln/an/an/a
http://165.22.252.236/windyloveyou/windy.armn/an/an/a
http://165.22.252.236/windyloveyou/windy.arm5n/an/an/a
http://165.22.252.236/windyloveyou/windy.arm6n/an/an/a
http://165.22.252.236/windyloveyou/windy.arm7n/an/an/a
http://165.22.252.236/windyloveyou/windy.ppcn/an/an/a
http://165.22.252.236/windyloveyou/windy.spcn/an/an/a
http://165.22.252.236/windyloveyou/windy.m68kn/an/an/a
http://165.22.252.236/windyloveyou/windy.sh4n/an/an/a

Intelligence

File Origin
# of uploads :
2
# of downloads :
43
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
busybox evasive medusa mirai
Link:
https://www.filescan.io/uploads/69c67027e2df9aa488ba991b/reports/1bf24b1d-988e-4700-9834-dd1903a63993/overview
Result
Gathering data
Verdict:
Malicious
File Type:
unix shell
Detections:
HEUR:Trojan-Downloader.Shell.Agent.a HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen
Link:
https://opentip.kaspersky.com/b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/69f0c458-2a56-4d64-8977-9d2e1d7448aa
Behavior Graph:
Download SVG
%3 guuid=245576c7-1e00-0000-ed98-5af9d40a0000 pid=2772 /usr/bin/sudo guuid=c80cbac9-1e00-0000-ed98-5af9db0a0000 pid=2779 /tmp/sample.bin guuid=245576c7-1e00-0000-ed98-5af9d40a0000 pid=2772->guuid=c80cbac9-1e00-0000-ed98-5af9db0a0000 pid=2779 execve guuid=f95822ca-1e00-0000-ed98-5af9dd0a0000 pid=2781 /usr/bin/cp guuid=c80cbac9-1e00-0000-ed98-5af9db0a0000 pid=2779->guuid=f95822ca-1e00-0000-ed98-5af9dd0a0000 pid=2781 execve guuid=c72ed9cb-1e00-0000-ed98-5af9e20a0000 pid=2786 /usr/bin/wget guuid=c80cbac9-1e00-0000-ed98-5af9db0a0000 pid=2779->guuid=c72ed9cb-1e00-0000-ed98-5af9e20a0000 pid=2786 execve
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a
Threat name:
Linux.Downloader.Medusa
Create hunting rule
Status:
Malicious
First seen:
2026-03-26 16:16:10 UTC
File Type:
Text (Shell)
AV detection:
21 of 36 (58.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvzimwdehnmet2nkqexeyxqt6zeamq4o3g7ejletgox7lkdby4na._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/260327-nz9y4abt7t/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Enumerates running processes
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Mirai
Mirai family
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5728658643b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.37
Link:
https://yomi.yoroi.company/submissions/b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Linux_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders
Rule name:MAL_Linux_IoT_MultiArch_BotnetLoader_Generic
Create hunting rule
Author:Anish Bogati
Description:Technique-based detection of IoT/Linux botnet loader shell scripts downloading binaries from numeric IPs, chmodding, and executing multi-architecture payloads
Reference:MalwareBazaar sample lilin.sh

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh b5728658643b5849e9aa812e4c5e13f64806438ed9be44ac9333aff5a861c71a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3806257/
  
Delivery method
Distributed via web download

Comments