MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483
SHA3-384 hash: d9223e24df6457f6822b6019d1576008fe65480d5e729a0f360f95e9af226139a298b599a7dc0eef2db44e83394f76a5
SHA1 hash: 816a6fb1bb2b82acca626c1451a1b73ee5b88385
MD5 hash: 7cb14706c867fdff01c108f7a3dd925f
humanhash: robert-tennis-mexico-eleven
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:64'204 bytes
First seen:2025-08-14 09:36:40 UTC
Last seen:2025-08-14 13:24:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:S2lAuWPeaSUsc6FeCfJDC6pE1795isxgVqWbLJC:S2lAuX0L6FeCf9C6Kt98sgtfI
TLSH T12153E8427642D8B2E40311F22455CFA00635FA3E35A1D89FF3827D7BF53AA819562B6F
telfhash t13a21c4fb6bee4de4a7d66040929b2b65054cf13f5d607be08362c818376ef8151bac39
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 :
4
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

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:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ce03034-bd60-41d8-acce-342fcaf91112
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1756706
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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483/
Verdict:
Malicious
Threat:
Linux.Worm.Mirai
Link:
https://tip.neiki.dev/file/d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 09:37:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s3wywpp62pwvv463hsskpamxtbb3qa3lxej5b52ctmiv7sy4sbq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit
Link:
https://tria.ge/reports/250814-llbg9s1nt2/
Behaviour
Loads a kernel module
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_389ee3e9
Link:
https://app.threat.zone/submission/3d64b818-de9b-4ab0-86d9-6d8235a92ed4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483

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
Create hunting rule
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:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
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 d4b76c59eff69f6ad79ed9e5253c0cbcc21dc01b5dc89e87ba14d88afe58e483

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532680/
  
Delivery method
Distributed via web download

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