MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0
SHA3-384 hash: b0e4bed54754c3d9a3475c0aa8381bf10879ba41b2cff5bf7399d022f6bd2a8a11853f9be8df6f2636a7eb15df9bc5d3
SHA1 hash: e82006adc86d122f0bf31984a0eb7587c1636e12
MD5 hash: 0cd35cb0ca990b6e516f66c4fbef69b3
humanhash: delaware-harry-texas-whiskey
File name:.k
Download: download sample
Signature Mirai
Create hunting rule
File size:239'892 bytes
First seen:2026-01-05 01:08:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:PrFUxdRUXffp+ney6N+wd4EhAHwMjLeS8:PFCeS8
TLSH T1A0345EC7B901CFBEF847E7B649670905B430FB6608630A77B227BCA6AD250D61D13E85
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/711bc16d-ac3b-482f-aad8-c07e229c6dcf/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-17215 gafgyt gcc masquerade mirai tsunami
Link:
https://www.filescan.io/uploads/695b0f3c127d6a14e0cfd766/reports/a34167d5-0a6f-45fd-9f02-fd73cad192a5/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-04T18:05:00Z UTC
Last seen:
2026-01-05T00:41:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a
Link:
https://opentip.kaspersky.com/b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/32a93c77-2bb3-4e56-b850-79beca35e627
Behavior Graph:
Download SVG
%3 guuid=53e2e3ec-1600-0000-fa5f-b65a4e0e0000 pid=3662 /usr/bin/sudo guuid=6c92f2ee-1600-0000-fa5f-b65a530e0000 pid=3667 /tmp/sample.bin guuid=53e2e3ec-1600-0000-fa5f-b65a4e0e0000 pid=3662->guuid=6c92f2ee-1600-0000-fa5f-b65a530e0000 pid=3667 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a896efd7-f7c8-44f5-a24d-5168319d85c6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1844635
Signature
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844635 Sample: .k.elf Startdate: 05/01/2026 Architecture: LINUX Score: 92 55 41.202.14.231 ZIPNETGH Ghana 2->55 57 124.83.180.158 YAHOO-JP-AS-APYahooJapanJP Japan 2->57 59 99 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Mirai 2->63 11 .k.elf 2->11         started        13 systemd .sh 2->13         started        15 systemd snapd-env-generator 2->15         started        17 17 other processes 2->17 signatures3 process4 process5 19 .k.elf 11->19         started        21 .sh 13->21         started        process6 23 .k.elf 19->23         started        27 .sh 21->27         started        file7 53 /usr/bin/.sh, ELF 23->53 dropped 65 Drops invisible ELF files 23->65 67 Drops files in suspicious directories 23->67 69 Sample deletes itself 23->69 29 .k.elf 23->29         started        31 .k.elf sh 23->31         started        33 .k.elf sh 23->33         started        35 2 other processes 23->35 signatures8 process9 process10 37 .k.elf 29->37         started        39 .k.elf 29->39         started        41 .k.elf 29->41         started        49 8 other processes 29->49 43 sh systemctl 31->43         started        45 sh systemctl 33->45         started        47 sh systemctl 35->47         started        process11 51 .k.elf 37->51         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-04 21:00:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvd35dzti2ytmiaz2beuubjfscu23jsezdi7zxt3oo5urupq7hia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260105-bh41asbx9b/
Malware Config
C2 Extraction:
86.54.42.154
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f182d61d-ee32-463c-9a02-167e5192753f
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/b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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 b547be8f3346b1362019d0494a052590a9ada644c8d1fcde7b73bb48d1f0f9d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3750244/
  
Delivery method
Distributed via web download

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