MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f. 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: 8

Intelligence 8 IOCs YARA 22 File information Comments

SHA256 hash:	d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f
SHA3-384 hash:	d5720f0cef081f2170226b7e2be8881ef8ab58a6de0157582fcadc5dd7e645570572a494a03e5446cf6838b85a3479a8
SHA1 hash:	ba1c57683dc6cd6033068d3f30decaeb4e2c507d
MD5 hash:	0fd52d758347d8ccf693bedbba448a84
humanhash:	sixteen-fillet-berlin-salami
File name:	nyx_bot_linux_mips_443
Download:	download sample
Signature	Mirai Create hunting rule
File size:	6'947'031 bytes
First seen:	2026-10-22 18:25:21 UTC
Last seen:	2026-10-22 20:20:06 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:BsyLN3cxHTx3HcGbeNB262bMtjxaYsj22blUy/b3/mK9b0ovVoNmHH4t5En:pEo2vd2wtZoNmn4jEn
TLSH	T1706628136B2CEB0EC624313408B1DA9867691C8641D7911BB399F718F8F61BD8E6EDF1
telfhash	t11ea0026205d5940d65a409b49d2df3146af0dc56e038081fbe152dd7140c415225c8aa
gimphash	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika	elf
Reporter	BlinkzSec
Tags:	mirai

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) :	1'697'824 bytes
File size (de-compressed) :	6'947'031 bytes
Format:	linux/mips
Packed file:	4c5cb33fb634b9264ed96b04564a14e618e187ffc24865d7a085081bb2113712

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.29052.TSource.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Runs as daemon

Creating a file in the %temp% directory

Sends data to a server

Launching a process

Changes the time when the file was created, accessed, or modified

Creating a process from a recently created file

Connection attempt

Manages services

Creating a file

Receives data from a server

Changes access rights for a written file

Creates directories

Creates or modifies files in /cron to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Creates or modifies files in /init.d to set up autorun

Gathering data

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

mips

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f

Behaviour

Persistence

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-20T07:24:00Z UTC

Last seen:

2026-10-22T22:30:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/f6854585-ce13-4d89-863c-764d2dbe52bc

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f/

Threat name:

Linux.Trojan.Generic

Status:

Suspicious

First seen:

2026-10-20 15:00:23 UTC

File Type:

ELF32 Big (Exe)

AV detection:

12 of 38 (31.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2mcusjcw2nvj2ey3f7x4jevkobxnw23zk3eg6qx7yvgxcr3lzjpq._file

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/261022-w2zvxaew4s/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Creates/modifies Cron job

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	JP_Lure_Content_Hunt Create hunting rule
Author:	sumeshi
Description:	Hunts for files containing Japanese kana text or common Japanese lure terminology

Rule name:	MIRAI_TELNETCURL_payload Create hunting rule
Author:	AfterPacket
Description:	Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:	https://github.com/Afterpacket/drosera-threat-intel

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

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 d305492456d36a9d131b2fefc492aa706edb6b7956c86f42ffc54d71476bca5f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3955977/

Delivery method

Distributed via web download

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