MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329
SHA3-384 hash: 36bae5b62a8f08c91cadcba2a7fe174ffacb95edc95149da7ecb3ec8cb75dd3abd8f409eec071dc7a416220c7011adf0
SHA1 hash: be24d7f89b3493e0db58ad5f55fd8c8124fc14de
MD5 hash: aa333096a961e7abf347068751ce3abc
humanhash: blue-sweet-summer-johnny
File name:top1miku.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:70'972 bytes
First seen:2025-07-15 12:33:07 UTC
Last seen:2025-07-16 03:31:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:h/EuENtvavyzWCAKDRCK7GMoiPWuCqV/pOcryj2j:hZEfv08BHDjLo0Wub/ptej2
TLSH T19C63AE67D4264A49D18645F070A8CE361F2395C0A3875EF717AAC3B6A017EACF506FF4
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Generic-9910198-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10042712-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/68764a9f19132d9848804da3/reports/2113ed79-002c-4b1e-ae9a-23dda8d98199/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e4a85a49-0795-4ffe-8770-581d226638ea
Behavior Graph:
Download SVG
%3 guuid=e994b711-1c00-0000-d427-1fc880070000 pid=1920 /usr/bin/sudo guuid=93804913-1c00-0000-d427-1fc881070000 pid=1921 /tmp/sample.bin guuid=e994b711-1c00-0000-d427-1fc880070000 pid=1920->guuid=93804913-1c00-0000-d427-1fc881070000 pid=1921 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/92de29de-7f38-4e4e-8b94-c9fc26f82dda
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1737005
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1737005 Sample: top1miku.sh4.elf Startdate: 15/07/2025 Architecture: LINUX Score: 72 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Mirai 2->47 9 top1miku.sh4.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 process4 15 top1miku.sh4.elf 9->15         started        17 top1miku.sh4.elf 9->17         started        19 top1miku.sh4.elf 9->19         started        process5 21 top1miku.sh4.elf 15->21         started        23 top1miku.sh4.elf 15->23         started        25 top1miku.sh4.elf 17->25         started        27 top1miku.sh4.elf 17->27         started        process6 29 top1miku.sh4.elf 21->29         started        31 top1miku.sh4.elf 21->31         started        33 top1miku.sh4.elf 25->33         started        35 top1miku.sh4.elf 27->35         started        process7 37 top1miku.sh4.elf 29->37         started        39 top1miku.sh4.elf 31->39         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 12:33:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdkr7ynwfpj5knqy76pxw46plzagnzomsz7klfa6kr5jlpz3mmuq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/250715-pre97at1dx/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/3947e9b5-5e82-482d-adaf-1ebd1dc47bbd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf a8d51fe1b62bd3d53618ff9f7b73cf5e4066e5cc967ea5941e547a95bf3b6329

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581186/
  
Delivery method
Distributed via web download

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