MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640ea324dc2237e42d2b398ccdd71a3416570e3d30345726a412fc8d9f5ffb39. 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 16 File information Comments

SHA256 hash:	640ea324dc2237e42d2b398ccdd71a3416570e3d30345726a412fc8d9f5ffb39
SHA3-384 hash:	1a49e7d90d2ad12d5da4bf598a64ed917e36a9196a485fb60a45910c4a5fc9fea5a331a5eac6c2eebba3ab303e62ae93
SHA1 hash:	a9c73fa45028c71f55d42a72e8d5f11bcad7e5bc
MD5 hash:	d20377db094d05046684cd557a15370b
humanhash:	saturn-may-april-sierra
File name:	bot.i686
Download:	download sample
Signature	Mirai Create hunting rule
File size:	107'408 bytes
First seen:	2026-08-12 05:14:42 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:2yQ+OKDBy9NczSlh+XW+niqQxeXspGfrIcgf:jQ+OKDBy9NczSf+XWnEof
TLSH	T13AA3E881F9CB41F5C807483460A7B33FC772E9758170AA6DEF99AF36D637A01912228D
telfhash	t18a3138f995764cfcabd0c807a6cf6b50dd0ca67b3a6036b94aa5592035b7090a57cc3c
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 :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/2cf9ffb7-a5ce-4cc6-b04d-21896f9e3416/

Detection(s):

Unix.Trojan.Mirai-7135937-0

Unix.Dropper.Mirai-7136014-0

Unix.Trojan.Mirai-9907086-0

Unix.Trojan.Mirai-9951087-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sends data to a server

Receives data from a server

Runs as daemon

Mounts file systems

Opens a port

Connection attempt

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade obfuscated

Link:

https://www.filescan.io/uploads/6a7c018435d97fcc5b8668fc/reports/bd51b521-a8b4-4c3a-b18e-d496ce68381e/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-09T10:47:00Z UTC

Last seen:

2026-08-11T14:29:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/640ea324dc2237e42d2b398ccdd71a3416570e3d30345726a412fc8d9f5ffb39/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/3b2c0c75-7839-4ad4-95d1-c63866124603

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/04f6666c-a576-47ea-a669-d43f46f58e4e

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/640ea324dc2237e42d2b398ccdd71a3416570e3d30345726a412fc8d9f5ffb39

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/640ea324dc2237e42d2b398ccdd71a3416570e3d30345726a412fc8d9f5ffb39/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-09 16:08:13 UTC

File Type:

ELF32 Little (Exe)

AV detection:

24 of 36 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mqhkgjg4ei36iljlhggm3vy2gqlfodr5ga2fojvecl6i3h277m4q._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet credential_access defense_evasion discovery linux

Link:

https://tria.ge/reports/260812-fx6jwszbkf/

Behaviour

Reads runtime system information

Changes its process name

Reads process memory

Enumerates running processes

Writes file to system bin folder

Modifies Watchdog functionality

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_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_da28eb8b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0cb1699c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0d73971c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_268aac0b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_2e3f67a9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_485c4b13 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_575f5bc8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_70ef58f1 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

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/