MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1. 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: 9

Intelligence 9 IOCs YARA 17 File information Comments

SHA256 hash:	04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1
SHA3-384 hash:	217a27db0d47895a3133d66e3936ea9324548fe771b1c7dbe2915179ecabf01b84401ee27df4e9f22e8ca681381182b9
SHA1 hash:	972948d4389f85e8e5bfeaa11ed7995d5f7eb9be
MD5 hash:	b78a0439efe75686559a90861fb019db
humanhash:	kentucky-violet-mexico-fix
File name:	04256374f18eab92.bin
Download:	download sample
Signature	Mirai Create hunting rule
File size:	446'592 bytes
First seen:	2026-10-31 07:26:08 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:P4YKI5KrGhcJYuf1mrPQUqGc1IH3y/2tjn4S3uhLw8uehh:5KI5hNuNmrC1k3QKywpehh
TLSH	T1BC94198953B1DFDDF264EA7003636E175DB6063735D3B186E16EE92323A124848AFE70
telfhash	t12ce0ec28543803b091c8cd2e44ddfb289c7195e7d6752d2bc950c9b89734d855d01d68
Magika	elf
Reporter	Tuxxin
Tags:	elf mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.32144.LX.BOT.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL

Unix.Trojan.Mirai-10058997-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Connection attempt

Creating a file

Opens a port

Sends data to a server

DNS request

Runs as daemon

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 expand gcc lolbin masquerade mirai obfuscated

Link:

https://www.filescan.io/uploads/6ae5981aef72075a95530da0/reports/e532b672-d656-4c3e-9e94-44e4ecbbde53/overview

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?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

type: 192.0.2.14:153
type: 198.51.100.42:153
type: 203.0.113.77:153
type: 192.0.2.201:153
type: 198.51.100.13:153
type: 192.0.2.14:253
type: 198.51.100.42:253
type: 203.0.113.77:253
type: 192.0.2.201:253
type: 198.51.100.13:253
type: 192.0.2.14:353
type: 198.51.100.42:353
type: 203.0.113.77:353
type: 192.0.2.201:353
type: 198.51.100.13:353

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-28T11:25:00Z UTC

Last seen:

2026-11-01T19:33:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/01bd1b69-2b0e-433a-bb29-c71bec9031e1

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/22d77dea-8c5a-4e0c-bce0-e35549611822

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1/

Threat name:

Linux.Exploit.DirtyFrag

Status:

Malicious

First seen:

2026-10-28 06:04:54 UTC

File Type:

ELF32 Big (Exe)

AV detection:

17 of 36 (47.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=aqswg5hrr2vzfpka4yftidkqsydlo2bsfyea2sc6ozxuakt67lqq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/261031-h9nwqabw5l/

Behaviour

Reads runtime system information

Writes file to tmp directory

Changes its process name

Unexpected DNS network traffic destination

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/04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1

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:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	ELF_Packer_Dropper_Fileless_Armhf Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.

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

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	EXPL_HKTL_LNX_DirtyFragShellcode_May26 Create hunting rule
Author:	Pezier Pierre-Henri (Nextron Systems)
Description:	Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:	https://github.com/V4bel/dirtyfrag/tree/master

Rule name:	EXPL_LNX_DirtyFrag_ForensicArtefacts_May26 Create hunting rule
Author:	Florian Roth
Description:	Detects DirtyFrag exploit code POC usage in Linux environments
Reference:	https://github.com/V4bel/dirtyfrag/tree/master

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

Rule name:	linux_generic_irc_catcher Create hunting rule
Author:	@_lubiedo
Description:	Find new ELF IRC samples

Rule name:	LIN_Malware_Unknown_ForgeAuto_0daebbb8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (elf, etat binaire)

Rule name:	MIRAI_OHSHIT_payload Create hunting rule
Author:	AfterPacket
Description:	MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:	https://github.com/Afterpacket/drosera-threat-intel

Rule name:	NSVPS_Hydra_SSH_Bruteforce Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot

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:	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 04256374f18eab92bd40e60b340d509606b768322e080d485e766f402a7efae1

(this sample)

Delivery method

Distributed via web download

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