MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832. 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: 10

Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash:	4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832
SHA3-384 hash:	a5a4bb13259c0d69f96517303d786012f6ed47e8e60e94838030d2bb0ef3ff5a3ad52472e8e34d606852a9e2d61f0899
SHA1 hash:	587371fdc743de07851174758a44b79d2118229c
MD5 hash:	366c878a160137ed36678981bab4105d
humanhash:	december-ack-don-grey
File name:	yakuza.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	62'560 bytes
First seen:	2026-04-03 17:39:33 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:pHqzrpmPj837s38tIP5Xsc+qwI+P6641Rat2yYBkH1vp:yAPj837s38tIP5XsiwBi6410t2XKVx
TLSH	T19D533AC4E583E9F5DC0505B06167AF328A77F1BA2229FE97D3EA65337C42602D107A9C
telfhash	t186112bf91eff0ce8f7c8a680429fbf01187de57b25b0779445619c592697c8250b9c3a
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 upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 d66a8eff096d72081b02ec2b4c2037e724da13305d024b7de4a4c3738c23b19e

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	25'880 bytes
File size (de-compressed) :	62'560 bytes
Format:	linux/i386
Packed file:	d66a8eff096d72081b02ec2b4c2037e724da13305d024b7de4a4c3738c23b19e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Gathering data

Detection(s):

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL

Unix.Trojan.Mirai-9441505-0

Unix.Trojan.Mirai-10011027-0

Unix.Trojan.Mirai-10011918-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Runs as daemon

Receives data from a server

Opens a port

Sends data to a server

Connection attempt

Substitutes an application name

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

37215

Full report:

https://elfdigest.com/brief/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

type:Mirai 176.65.139.102:8

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-04-03T14:45:00Z UTC

Last seen:

2026-04-04T10:11:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.Linux.Mirai.kv HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b

Link:

https://opentip.kaspersky.com/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/95b363aa-e129-4205-a639-21b66dfa1474

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/86746866-e53d-4705-b106-d6dfd28b1679

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-04-03 17:39:59 UTC

File Type:

ELF32 Little (Exe)

AV detection:

23 of 36 (63.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jy5umlcizvynvfx7ohglyr36khp563bmtswmzcfpet4p7qycfaza._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai credential_access defense_evasion discovery linux

Link:

https://tria.ge/reports/260403-v8zytabx5y/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Reads process memory

Enumerates active TCP sockets

Enumerates running processes

Modifies Watchdog functionality

Contacts a large (356024) 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.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/4e3b462c48cd70da96ff71ccbc477e51dfdf6c2c9caccc88af24f8ffc3022832

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:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

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/