MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fc202383dfd40ff57a379cd4413cbab65a62250085733a0dc13bfb20ea8f647. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 8fc202383dfd40ff57a379cd4413cbab65a62250085733a0dc13bfb20ea8f647
SHA3-384 hash: 8bbc3733f14cced060844d3bbe9b685f44f17951d2082988fcaf2f87a596b679633bb46d7acad1597d20adfdc1060ae4
SHA1 hash: 58b43bc5570e74774d1b2be94a4366e88e8403d8
MD5 hash: 1dba3179654a5f780c1d5e68e3fd1c72
humanhash: arizona-lemon-louisiana-stream
File name:nklx86
Download: download sample
Signature Mirai
File size:49'808 bytes
First seen:2025-12-05 18:12:55 UTC
Last seen:2025-12-06 05:25:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:0CVW5MMDKvoud+tGolK9z1wkjuljuGjuAjuZAZxYY7lNt6u:0CVGRDKvNI7lKQSAXH3Qu
TLSH T1C02318C5A903D8FCDC1A1D742563F3366EF6FC791028E983DB94EA36B852701A64729C
telfhash t17911e7f76e6648f8b7c05c88c36f96d2173ad53726a1769986f2944413e0dc151bec3c
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 :
21
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T16:20:00Z UTC
Last seen:
2025-12-06T02:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827542 Sample: nklx86.elf Startdate: 05/12/2025 Architecture: LINUX Score: 56 18 156.158.98.34 airtel-tz-asTZ Tanzania United Republic of 2->18 20 71.18.153.85 WINDSTREAMUS United States 2->20 22 100 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 nklx86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklx86.elf 8->14         started        process6 16 nklx86.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-05 18:14:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Contacts a large (127250) 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_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 8fc202383dfd40ff57a379cd4413cbab65a62250085733a0dc13bfb20ea8f647

(this sample)

  
Delivery method
Distributed via web download

Comments