MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41df3a9d5671c1e05e5be4a7b57321abbc1971de532c7c9f0dab0db987277864. 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 14 File information Comments

SHA256 hash: 41df3a9d5671c1e05e5be4a7b57321abbc1971de532c7c9f0dab0db987277864
SHA3-384 hash: b28998126ecd23bd4cd8ae385fe6d07e8d437fe736bbd36e78f18dac394d9b5d2de37a10e8bd3086ea9542b9ea3f8a72
SHA1 hash: c5179bc40a1b1e9a9565d8e813d94f5c4dbd40a3
MD5 hash: 85373af7ff4e9401202fc79aa8a03227
humanhash: enemy-artist-music-pennsylvania
File name:tux.x86
Download: download sample
Signature Mirai
File size:62'604 bytes
First seen:2026-03-25 15:59:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WS/51TJIiFC/udSJ5ylzoAjrjCpn1JDszUEGKdk3s1tsWOaArW3zLZLSS6:WSh1TWiFCJjGfrjCLJDGUEGKdk3srsWk
TLSH T10B535CC59583D8F6FC1609716137AB336777F07A102AEA86C7ED7A32EC41A01A61739C
telfhash t15a21b4fb1daf49f9f7e96844c31e1ba6562ed67725b036644172ec9022d3ac240e9c38
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 :
1
# of downloads :
57
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Runs as daemon
Opens a port
Substitutes an application name
Gathering data
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=c6e27faf-1a00-0000-3a55-f172840a0000 pid=2692 /usr/bin/sudo guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699 /tmp/sample.bin net guuid=c6e27faf-1a00-0000-3a55-f172840a0000 pid=2692->guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9c6b92b1-1a00-0000-3a55-f1728d0a0000 pid=2701 /tmp/sample.bin zombie guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699->guuid=9c6b92b1-1a00-0000-3a55-f1728d0a0000 pid=2701 clone guuid=b9559bb1-1a00-0000-3a55-f1728e0a0000 pid=2702 /tmp/sample.bin guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699->guuid=b9559bb1-1a00-0000-3a55-f1728e0a0000 pid=2702 clone guuid=e92cb0b1-1a00-0000-3a55-f1728f0a0000 pid=2703 /tmp/sample.bin guuid=8f1d7db1-1a00-0000-3a55-f1728b0a0000 pid=2699->guuid=e92cb0b1-1a00-0000-3a55-f1728f0a0000 pid=2703 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-25 16:00:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai credential_access defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (24003) amount of remote hosts
Creates a large amount of network flows
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_mirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 41df3a9d5671c1e05e5be4a7b57321abbc1971de532c7c9f0dab0db987277864

(this sample)

  
Delivery method
Distributed via web download

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