MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688
SHA3-384 hash: f0016875fc0ff5784d75e5a4ef3622facc51527f968273a1d29fdaee1fcc6bf3d229df789b523de0e3664379ec6a3eb8
SHA1 hash: b5355990f6670d0ebef5c00e424b3360fcdda938
MD5 hash: 94b32bf47d7baf47ae403151df542419
humanhash: sink-arkansas-river-blossom
File name:tux.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:79'508 bytes
First seen:2026-03-25 03:07:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Bmn8PjdGaWTzIuWj+9Ief/2bY9z6GWa6npKw37MwiBDJWP5vYRJhn:PQaMzvWj+lnw0z6GWa6ODJWPVmn
TLSH T12573185AB8818F11D5C112BAFA2E118D331357BCE3DE73129D106F24778BA2B0E7B955
telfhash t13501b1531e801dcc5be00354504b427bc53930d83b28691b8f6d3f8f865bd917196436
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 :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/8f24e766-3453-4b47-9c18-d1fa9d42dbca/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136070-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7c5ccf87-da65-4974-86a7-7d096869156e
Behavior Graph:
Download SVG
%3 guuid=bf5b21e2-1700-0000-76c5-065d1e0c0000 pid=3102 /usr/bin/sudo guuid=f75647e4-1700-0000-76c5-065d200c0000 pid=3104 /tmp/sample.bin guuid=bf5b21e2-1700-0000-76c5-065d1e0c0000 pid=3102->guuid=f75647e4-1700-0000-76c5-065d200c0000 pid=3104 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06b030a5-6e9a-412b-be9d-e78ac8fb5e11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-25 03:08:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehzbnw6jqpnur2wcnfbnppboj6tnpntir4626c27eianxh3ay2ea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/260325-dm16baev5m/
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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 21f216dbc983db48eac26942d7bc2e4fa6d7b6688f3daf0b5f2200db9f60c688

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3802211/
  
Delivery method
Distributed via web download

Comments