MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe. 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: b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe
SHA3-384 hash: 472698e7603941b0434535649f9384dd057e68f0f1dfca62c268fefa995b2e4c201a09a43149ebafcaaf806ec7e47526
SHA1 hash: 04d6a693342a667a28e1ba48ecc68f5e097e2240
MD5 hash: e2bc56bbbf5eec22b77dbb46873676a3
humanhash: snake-wolfram-papa-bluebird
File name:kt12
Download: download sample
Signature Mirai
Create hunting rule
File size:88'742 bytes
First seen:2025-05-07 12:21:47 UTC
Last seen:2025-05-08 11:41:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:CzGhmA+gyIxNOaw+YjMczg408aTQGgaZpeK8M2/9:CzGh1xNOaVYjwr/pZE7
TLSH T180831993F800FFBDF85BE53909920A19A728AE47DF43191A7257799758372C02C27E4B
telfhash t19b21bb718b31aa2a5ea1cd94dded6b72611cc207670afa33de31848c20240acf52bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135928-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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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Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681b50c491991ead82b5cebflinux22vpnfull_triage
Tags:
mirai
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai
Link:
https://www.filescan.io/uploads/681b5079d95f3e34e962f5e0/reports/9fd780b4-d101-496f-a138-497f7217574d/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5559e113-f7a4-47b4-9c4c-160dd683f897
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1683246
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: 1683246 Sample: kt12.elf Startdate: 07/05/2025 Architecture: LINUX Score: 84 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 3 other IPs or domains 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        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt12.elf 8->14         started        process6 16 kt12.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 12:22:12 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcwph5v5kukc4tiyhsbmcbyj3vkzw74ae7dzj3xkp74tngjlb77a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250507-pjznvsaq8v/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/511e53ff-da03-407c-abb2-56d5868fe0d3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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:setsockopt
Create hunting rule
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
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 b0acf3f6bd55142e4d183c82c10709dd559b7f8027c794eeea7ff936992b0ffe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531156/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532685/

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