MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f
SHA3-384 hash: 7555734f46a76d50231d247273c100443d37dc7e52033cc680500bc792934cf3944615e21620e0cd4c4f813d5ab6220b
SHA1 hash: 7d94f8b98e9b3e48084a80f0243f092c8cc8869a
MD5 hash: 3110891118671660a4293cbb9ded9b83
humanhash: bravo-march-avocado-undress
File name:ntb.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:110'357 bytes
First seen:2026-08-29 04:01:40 UTC
Last seen:2026-08-29 05:17:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:eJ6A5qZs+CzRhvr/7kSbGYGDdxiyyoutK8g:A6AoG+IX/rKDvyoSK8g
TLSH T13DB312C6F2A78640917DA0B10B4CEF545DBD996CFC0581DA28B4F5E9E312BB93B3E412
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Launching a process
Manages services
Runs as daemon
Changes access rights for a written file
Creating a file
Creates or modifies symbolic links
Creates directories
Creating a file in the %temp% directory
Creating a process from a recently created file
Sets a written file as executable
Collects information on the CPU
Traces processes
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6a9259c9b4c59560c1aba3eb/reports/30189f64-6d7d-4121-af02-45c8034f9809/overview
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/da337d5b-9c42-4ed6-b428-6a02b8d3ed26
Behavior Graph:
Download SVG
%3 guuid=894ce570-1b00-0000-bc12-92d092090000 pid=2450 /usr/bin/sudo guuid=ee07df74-1b00-0000-bc12-92d09b090000 pid=2459 /tmp/sample.bin guuid=894ce570-1b00-0000-bc12-92d092090000 pid=2450->guuid=ee07df74-1b00-0000-bc12-92d09b090000 pid=2459 execve guuid=bf97e978-1b00-0000-bc12-92d0a5090000 pid=2469 /tmp/sample.bin guuid=ee07df74-1b00-0000-bc12-92d09b090000 pid=2459->guuid=bf97e978-1b00-0000-bc12-92d0a5090000 pid=2469 clone guuid=6d018179-1b00-0000-bc12-92d0a7090000 pid=2471 /tmp/sample.bin guuid=ee07df74-1b00-0000-bc12-92d09b090000 pid=2459->guuid=6d018179-1b00-0000-bc12-92d0a7090000 pid=2471 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bce505c1-1b32-4616-bdd3-a4115084cbf9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-29 04:02:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5spaqh32lzvhdwxhql5wa4dvlh76tuppufs7j4tobsws7pqvmxq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260829-elxxyafr3t/
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates a desktop entry file
Modifies Bash startup script
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Schedules an At job
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information

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

Web download

Mirai

elf 4764f040fbd2f3538ed73c17db0383aacfff4e8f7d0b2fa7937065697df0ab2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3907294/
  
Delivery method
Distributed via web download

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