MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments
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SHA256 hash: 83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c
SHA3-384 hash: 42e4d264edfbe6abb9e3e15a43ebf70c94245720ca26e99ceed759e9c1e209938078f6301e84d8c0502966ebca1fa4ed
SHA1 hash: 4d231a2dd14789d1310e13241cb92b9fb6ee6373
MD5 hash: db8c18a1db38e4e154f7b4a51032ae57
humanhash: bulldog-mountain-low-nevada
File name:mao.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:58'672 bytes
First seen:2026-02-08 01:32:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/451DYLkOoAg0wxEuFrdtIqAER5Fs/RzhkkM:/I1DYLkOou6EgFAiFsZ9c
TLSH T141435BC8E5D7DCF9EC2506302276EF719B77E63E216CDE97C79859239982503E80268C
telfhash t1ee11eeff1a7e1dd5f7e8a800830b5f651929d23b15b073f0027295692293ec1c176cb9
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 :
48
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/dbc759df-087d-4e02-b064-572c946ba3fd/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6987e7d9981ff1d38a4cab99/reports/6c78c6ca-001f-4f0b-9099-425ce378395c/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-06T21:02:00Z UTC
Last seen:
2026-02-06T21:36:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/44b0a4f0-947a-4ef4-ad7f-d3b15e4a1407
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1865418
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865418 Sample: mao.x86.elf Startdate: 08/02/2026 Architecture: LINUX Score: 64 18 mn.34509.su 45.95.146.23, 25565, 39840, 39842 EKMEDIANL Netherlands 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Okiru 2->24 8 mao.x86.elf 2->8         started        signatures3 process4 process5 10 mao.x86.elf 8->10         started        12 mao.x86.elf 8->12         started        process6 14 mao.x86.elf 10->14         started        16 mao.x86.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-06 22:56:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpyahy5xmaluqnwipfvvrvym7owahxfor55fabxxpestlritxzwa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion linux
Link:
https://tria.ge/reports/260208-byme7ahz4d/
Behaviour
Changes its process name
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c

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_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
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: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 83f003e3b760174836c8796b58d70cfbac03dcae8f7a5006f7792535c513be6c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766749/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3774301/

Comments