MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece. 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 33 File information Comments

SHA256 hash:	5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece
SHA3-384 hash:	7f0fdcc0b1a25abf36964f9189a04ea3498742e805f6ff381bb44db9c91a12b3253b75600cf49258c04b0e7a626d8166
SHA1 hash:	715b50f7c25ca4c3a8ab6f4fd17a42f34b88f374
MD5 hash:	67fbdc922b48ae5e6d34d0b050f052bf
humanhash:	alabama-hotel-oxygen-illinois
File name:	x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	5'841'080 bytes
First seen:	2026-10-10 11:25:26 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:LZTKcIeTGHsPtlXmF1bUpZfj4xIRwXYqM2LTn50FSnL4BT35EE:tOcSHYtQF1bqfRwX3M2LFEEE
TLSH	T174462850FECB54F6E9031A3145ABA26F63316C058F25DBE7EA447F29F93B691093220D
telfhash	t1a4d2dfb3059d94ec77e0440792af7524cef6e02726f078b169f7b8c09672c53aa36978
gimphash	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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

No detections

Detection(s):

SecuriteInfo.com.Linux.Flooder-5.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Manages services

Changes access rights for a written file

Creating a process from a recently created file

Creating a file

Connection attempt

Creating a file in the %temp% directory

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

Deleting a recently created file

Launching a process

Writes files to system subdirectory

Creates or modifies files in /cron to set up autorun

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

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

base64 crypto golang reconnaissance

Link:

https://www.filescan.io/uploads/6aca20da13c8dcdfcd0bb848/reports/b39693ae-3314-492e-9518-b9e751b6a2a4/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

true

Architecture:

x86

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/5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece

Behaviour

Anti-VM

Persistence

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

type: 1.0.0.1:80

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-10-10T09:24:00Z UTC

Last seen:

2026-10-11T17:48:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/668550ef-6705-4f83-b731-7c0c16c1a37c

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/c6f7d316-8def-47d2-af81-175492351934

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece/

Threat name:

Linux.Coinminer.XMRig

Status:

Malicious

First seen:

2026-10-10 11:26:29 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 38 (42.11%)

Threat level:

4/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lna2d6wn22i4uinn4fla33sozeh4zakr6yv7zgeqsswydvtmh3ha._file

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery linux

Link:

https://tria.ge/reports/261010-njyacstwez/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

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:	ach_202610_elf_catstorm Create hunting rule
Author:	abuse.ch
Description:	Detects CatStorm

Rule name:	APT_Bitter_ZxxZ_Downloader Create hunting rule
Author:	SECUINFRA Falcon Team (@SI_FalconTeam)
Description:	Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:	https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh

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

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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

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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Web_Generic_Binary_URL_Download Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5b41a1facdd691ca21ade1560dee4ec90fcc8151f62bfc989094ad81d66c3ece

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3927027/

Delivery method

Distributed via web download

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