MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404. 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: 6

Intelligence 6 IOCs YARA 17 File information Comments

SHA256 hash:	a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404
SHA3-384 hash:	eb9902d651a78511699518953fe800f12859632e9f09c01239c897be7f960ec6a70c4a83246ce5df8ef0ff629e437dd6
SHA1 hash:	6c8c93f77a2c8dd32a8c40b5be1e87fb820c4180
MD5 hash:	2d1ee8efd7be1348c31b5f3a0332c878
humanhash:	music-missouri-lamp-berlin
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	116'728 bytes
First seen:	2026-09-22 04:56:18 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:IPrwQea2Guc4lDs1jGejGnXDcsX81xpd8WfaAUTKn7Vh2l:YCaN4D+0ly3d8Wall
TLSH	T10FB35B02B5C0E8FCCC86C238436F6635DA32F66A1278B65F27D4EF153D5DF212A29A54
telfhash	t16c41beb02d99699810e7a725b20fe4e8dc7119301ae135f0af2b6de3de02f880c86467
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 f28609e7a34618adf7487d8b257637faa648982774fbc81f31bdc71efaa608c3

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) :	54'928 bytes
File size (de-compressed) :	116'728 bytes
Format:	linux/amd64
Packed file:	f28609e7a34618adf7487d8b257637faa648982774fbc81f31bdc71efaa608c3

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Mirai-45.UNOFFICIAL

Unix.Dropper.Mirai-7540662-0

Unix.Trojan.Mirai-10004218-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Launching a process

Runs as daemon

Changes access rights for a written file

Opens a port

Receives data from a server

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

Connection attempt

Creating a file

Creates or modifies symbolic links

Sets a written file as executable

Sends data to a server

Writes files to system subdirectory

Writes files to system directory

Creates or modifies files in /cron to set up autorun

Performs a bruteforce attack in the network

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

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

Creates or modifies files to set up autorun

Deleting of the original file

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

obfuscated

Link:

https://www.filescan.io/uploads/6ab20aa824a545fc3816d5d2/reports/96c8255d-1035-420e-ae63-4db5dabee060/overview

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?

false

Remote TCP ports scanned:

Full report:

https://elfdigest.com/brief/a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404

Behaviour

Persistence

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/957e6591-7a1c-4961-9bfa-c94e773ec6b5

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/04e89756-4a1d-450a-baa4-143bf6c6e309

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404/

Threat name:

Linux.Exploit.Mirai

Status:

Malicious

First seen:

2026-09-22 04:56:40 UTC

File Type:

ELF64 Little (Exe)

AV detection:

13 of 36 (36.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ug5muou3hb5ki6hn53izrplcmp64mddikaubytniqnurltcpyqca._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260922-flcsfa1z4p/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Creates a desktop entry file

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies Watchdog functionality

Modifies the /etc/hosts DNS resolution file

Contacts a large (16563) 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:

0.20

Link:

https://yomi.yoroi.company/submissions/a1baca3a9b387aa478edeed198bd6263fdc60c6850281c4da8836915cc4fc404

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

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d0c57a2e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d996d335 Create hunting rule
Author:	Elastic Security

Rule name:	test_rule_vldslv Create hunting rule

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:	virustotal Create hunting rule
Author:	Tracel

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.