MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf. 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 17 File information Comments

SHA256 hash:	a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf
SHA3-384 hash:	c73c1716199381709d38ddd3e93129d84df9c4cb69ee46dee97d2bd6e07d27cbc3f7ede996aad203f2dd260d7bec6f9d
SHA1 hash:	8ceaa620ac825c1ea00f2b5a7f5d5d58cfa16c89
MD5 hash:	5627a8e40550d38995ae9e15e168c320
humanhash:	magnesium-floor-fanta-quebec
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	427'208 bytes
First seen:	2026-10-09 07:01:32 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:SVkq+1bzWiPEn8/EOM1KAU9d91yR9GV8OgBLa9hQ:YkTbPNkUAU9d91I9uQLa9hQ
TLSH	T13A943B48A2F1E1FEE198D930931AB817AD3275363073765E339DEA3317B665046FDA20
telfhash	t13b71d070099634b0b19b89117343e77d9f3244d19aedb5e91727ace4eecabc44ca3c26
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):

Sanesecurity.Malware.30435.LC.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Opens a port

Runs as daemon

Kills processes

Locks files

Creating a file

Connection attempt

Kills critical processes

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 expand lolbin obfuscated

Link:

https://www.filescan.io/uploads/6ac89177c3fa4e27562990a4/reports/1d2ca4df-f699-4500-bff6-5a255afc8082/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?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf

Behaviour

Persistence

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.64.le

First seen:

2026-10-09T04:14:00Z UTC

Last seen:

2026-10-09T04:35:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/304cbc92-16d2-44c5-8a77-5f79d951ed45

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/7afe970a-6baf-45a3-85f9-bc70f96d6ff0

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf/

Threat name:

Linux.Exploit.DirtyFrag

Status:

Malicious

First seen:

2026-10-09 07:02:18 UTC

File Type:

ELF64 Little (Exe)

AV detection:

9 of 36 (25.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uw4rbuor6q6ulif4fkqixtiftswmhkrziaac5ueifcu2bsxn6thq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai antivm botnet defense_evasion discovery exection execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/261009-htw76azzfw/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Creates a desktop entry file

Reads system network configuration

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Modifies systemd

Write file to user bin folder

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

Unexpected DNS network traffic destination

Modifies the dynamic linker configuration file

Detects Mirai

Family: Mirai

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

Threat name:

Suspicious File

Score:

0.44

Link:

https://yomi.yoroi.company/submissions/a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf

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:	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:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

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:	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 a5b910d1d1f43d45a0bc2aa08bcd059cacc3aa3940002ed08828a9a0caedf4cf

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3909405/

Delivery method

Distributed via web download

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