MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments
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SHA256 hash: b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f
SHA3-384 hash: 9064091c4dc5623bab58f00bf0bf3fa604ac5d0d8355ac318f468107248d72cb055a134a129bf1d3daed9d199f1dc4d5
SHA1 hash: 7ea132597c4a2900fc65cbe5b88285d6c015f6c4
MD5 hash: 9c67b799c1d4e315721a9cef0b6c3ebe
humanhash: mexico-west-blossom-table
File name:kt12
Download: download sample
Signature Mirai
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File size:86'075 bytes
First seen:2025-08-14 16:24:23 UTC
Last seen:2025-08-15 06:55:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:4vKzGV8qHiJescD23+PixnDBz5tpY85EMAT8uJZv5TV3esX:4vKzGlDPivVzm8wZRVd
TLSH T168831893FD00FFBDF41BE53909821B1AAB24AE47DF43161A7257795719372C02C27A0A
telfhash t1cc21cb718b309a2a5ea1cd949ded6772612896072709fe33dd31848c20244ace53bc5f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.32134.LX.BOT.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135928-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Dropper.Mirai-7136070-0
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Unix.Dropper.Mirai-7139229-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-10018298-0
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Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb31a87d-6409-456e-8162-8386722d68bc
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1757226
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
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: 1757226 Sample: kt12.elf Startdate: 14/08/2025 Architecture: LINUX Score: 84 20 787892.dynv6.net 156.225.31.132, 53260, 53262, 53264 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 2 other signatures 2->30 8 kt12.elf 2->8         started        signatures3 process4 process5 10 kt12.elf 8->10         started        process6 12 kt12.elf 10->12         started        14 kt12.elf 10->14         started        16 kt12.elf 10->16         started        18 18 other processes 10->18
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-08-14 16:25:50 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhl7mf5pla7m4vato4h5bkkk7ytdoyc2shsnlhg5ngrdua7unrxq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250814-twqc6sysfy/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/7fd543f1-6845-4927-836c-fc3f17a4491c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f

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
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Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:Mirai_Botnet_Malware
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Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
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Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 b9d7f617af583ece5413770fd0a94afe2637605a91e4d59cdd69a23a03f46c6f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532685/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3603961/

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