MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a143523ec44feb3319c7945bd0b5a7b7b73bbab15e028d0773ba05ceea4251. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21a143523ec44feb3319c7945bd0b5a7b7b73bbab15e028d0773ba05ceea4251
SHA3-384 hash: 5a05686ac0f248d176220f090f6cd29e8328bfea274a343770d662f0bab018e6b492635af50bcf3dc3265334534e4038
SHA1 hash: 1a490c4bd37c09117e4d187c30e01345d0a2d59c
MD5 hash: e8ca8d8ee9d4a007601f207e2e65fea0
humanhash: south-timing-triple-yankee
File name:jklx86
Download: download sample
Signature Mirai
Create hunting rule
File size:91'124 bytes
First seen:2026-01-18 19:14:38 UTC
Last seen:2026-01-18 23:37:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:01mirIwCKKGJWRJ8l6PGUn7us6Rv2n469AME6yt0zY/++4TirGI8D/fcJb5VQj4L:0IirxhZkRJ4Ri8RK469AM4msn4TirrE4
TLSH T18B936CC18183E4F5E9080675607AF3376532DDB90178FEF3F7549AB278256A0B18AB4E
telfhash t1e821b2b81bb20ce8abd0a912f20d9771dd1deb7f61607bb315b254283212481577bd3e
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 :
2
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/696d315ffdafd7624ab03e33/reports/e3b91535-7b9e-45ca-8169-a8377f8798a0/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3dd9c69c-cb39-477d-a17f-1715af9e4c7e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1853013
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 dnsIp2 2 Behavior Graph ID: 1853013 Sample: jklx86.elf Startdate: 18/01/2026 Architecture: LINUX Score: 72 16 13.20.51.165 XEROX-ELLUS United States 2->16 18 63.141.18.95 WYAN-ASUS United States 2->18 20 100 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 jklx86.elf 2->8         started        signatures3 process4 process5 10 jklx86.elf 8->10         started        process6 12 jklx86.elf 10->12         started        14 jklx86.elf 10->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21a143523ec44feb3319c7945bd0b5a7b7b73bbab15e028d0773ba05ceea4251
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21a143523ec44feb3319c7945bd0b5a7b7b73bbab15e028d0773ba05ceea4251/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 19:15:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egqugur6yrh6wmyzy6kfxufvu633oo52wfpafdihoo5altxkijiq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260118-xymlvad13b/
Behaviour
Reads runtime system information
Enumerates running processes
Renames itself
Contacts a large (69869) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/a9ddaa31-ca47-4d68-b25f-bcb9580af5a5
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 21a143523ec44feb3319c7945bd0b5a7b7b73bbab15e028d0773ba05ceea4251

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739130/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739137/
  
URLhaus
https://urlhaus.abuse.ch/url/3739129/
  
URLhaus
https://urlhaus.abuse.ch/url/3739135/

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