MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d
SHA3-384 hash: 829712d0553afb19c14d05e9810c514e5d7ebc5e0684d857ff0e604a4f9f6a7c8dc2a420ab68b89193c757e6b313d481
SHA1 hash: 5e99c5f0623ea41f9655f207389227897ad254ee
MD5 hash: c17e2a1ac891e11b75de5a9ca059a5b3
humanhash: echo-cola-texas-missouri
File name:kt8
Download: download sample
Signature Mirai
Create hunting rule
File size:78'740 bytes
First seen:2025-08-14 15:48:33 UTC
Last seen:2025-08-16 05:10:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:vqXgtS+p1AtLs1NGVDQ3rUD/MvPJDAWNbMCXatvG:GuIm2+NbOtO
TLSH T1EA73D5DF9A3D0A43C4E745B23D2737E48F6CF53652A421C59206AFC507BA9B62032F69
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7100807-0
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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:

Behaviour
DNS request
Runs as daemon
Opens a port
Connection attempt
Substitutes an application name
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/52ec1a15-553e-4ce6-8103-52c8151d1bdd
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1757185
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: 1757185 Sample: kt8.elf Startdate: 14/08/2025 Architecture: LINUX Score: 72 20 787892.dynv6.net 156.225.31.132, 49194, 49196, 49198 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->20 22 j48asd.dns.army 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 kt8.elf 2->8         started        signatures3 process4 process5 10 kt8.elf 8->10         started        process6 12 kt8.elf 10->12         started        14 kt8.elf 10->14         started        16 kt8.elf 10->16         started        18 20 other processes 10->18
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 15:49:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnqedkl642iyggpi3ac455ot5r37gef6l3gwsdocyaze53jdcmwq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250814-s9mc1axzax/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/b8d123ef-ebb7-4aa2-baea-cf54b1ca9f89
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_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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: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 3b6041a97ee6918319e8d805cef5d3ec77f310be5ecd690dc2c0324eed23132d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532681/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3603952/

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