MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37
SHA3-384 hash: 126d57c66c2739beef12671f765d5e365fd2c07dfdc19bc396423bf041a5d016502b503301924f5351292de9a279a5ad
SHA1 hash: d631963f7dbf276134ab5910448997fad819a9df
MD5 hash: 6f699f0e35433fc0e6f0621c898858f3
humanhash: september-spaghetti-island-massachusetts
File name:tux.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:92'928 bytes
First seen:2026-03-25 03:12:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sUercTlDRTGh+b29XT2zzUMA3nwIHMAz6H6bclrCZeGHIJQOuYdA:QrcTlDZl29XT2zzUXVHMAz6H9WzRX
TLSH T12F93E85E2E319FACFB98823547B34E31979833D626E1C685E25CE6011E7034D745FBA8
telfhash t1ed111e0c883813f497665c9d7bedff76e49160db5b266e33cd10eaae9b19a415e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
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/40597c4d-5bba-4e44-bd41-25a04a8d672b/
Detection(s):
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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bash botnet lolbin masquerade mirai mirai obfuscated obfuscated
Link:
https://www.filescan.io/uploads/69c352900ab403384b57fea5/reports/acb01980-1cb1-405a-994d-7bb2196d3519/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.hw HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.c
Link:
https://opentip.kaspersky.com/bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f52a813b-96b9-4adf-9459-341c0fb7b6e2
Behavior Graph:
Download SVG
%3 guuid=4d2210fd-1600-0000-24e8-51bdeb0f0000 pid=4075 /usr/bin/sudo guuid=6379afff-1600-0000-24e8-51bdf50f0000 pid=4085 /tmp/sample.bin guuid=4d2210fd-1600-0000-24e8-51bdeb0f0000 pid=4075->guuid=6379afff-1600-0000-24e8-51bdf50f0000 pid=4085 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6de50a57-3ac5-46e4-a78d-e89d11e8e09f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-25 03:12:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4zraqcu62uboi5f22mjmcc73en57j4ytokevwpsfw4rgxvbhm3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai credential_access defense_evasion discovery
Link:
https://tria.ge/reports/260325-dqasjaev7p/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads process memory
Creates a large amount of network flows
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (4961) amount of remote hosts
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: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: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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 bf33104054f6a81723a5d69896085fd91bdfa7989b944ad9f22db9135ea13b37

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3802181/
  
Delivery method
Distributed via web download

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