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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3. 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: 5


Intelligence 5 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3
SHA3-384 hash: 39819c7030fe0d6ab6d136f7bb6f9ab0661450d2e987a5f23ef4aa7038eb5e1991d527a69805c626fb816a3dd9beffa1
SHA1 hash: f771054bc4a2be7e4178744220d5d19b5567b7ec
MD5 hash: aaaaed9c5666b64b1312bf5da09646d8
humanhash: dakota-bravo-cold-florida
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:135'472 bytes
First seen:2026-09-22 17:37:20 UTC
Last seen:2026-09-23 03:54:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:ZLzWFR+5cgH5ymClsCZpuqNM41Nb207CFneVDTKVXINza:ZLzERiZymIsCZ84r2NnetcAa
TLSH T1F6D37CDAF500EDBEF80ED73B84574A05B230E36119825A36635B7573FD361E4282BE86
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-45.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-10004218-0
Create hunting rule

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

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

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6ab2bd056e5c5962c9f012f7/reports/61b25497-250a-45c2-b619-e9adb3163749/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-09-22T16:14:00Z UTC
Last seen:
2026-09-22T16:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5d5da63e-1000-4c87-9d30-593cfe04046d
Behavior Graph:
Download SVG
%3 guuid=7f8be1cb-1500-0000-bf50-d4dcd00b0000 pid=3024 /usr/bin/sudo guuid=28bd58d0-1500-0000-bf50-d4dcd90b0000 pid=3033 /tmp/sample.bin guuid=7f8be1cb-1500-0000-bf50-d4dcd00b0000 pid=3024->guuid=28bd58d0-1500-0000-bf50-d4dcd90b0000 pid=3033 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3d2f2433-6c70-41f4-83de-3ec82f338980
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-09-22 17:38:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yp2auifh6ebgnoso5spv2nkuuhatyeltn6t4tn6rl2okw3hmuhjq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260922-v7s4wazdqf/
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/c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3

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_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:test_rule_vldslv
Create hunting rule
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
Rule name:virustotal
Create hunting rule
Author:Tracel
Rule name:Web_Generic_Binary_URL_Download
Create hunting rule
Author:Serhii Kocherhan
Description:Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf c3f40a20a7f10266ba4eec9f5d3554a1c13c11736fa7c9b7d15e9cab6ceca1d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3919169/
  
Delivery method
Distributed via web download

Comments