MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848. 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 2 File information Comments

SHA256 hash:	a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848
SHA3-384 hash:	103ca0b209e2d7c9887fe72c6c83695de810a6c3a94650319e8c760575abce8f1b7e3f81495254c03444710c0676e9fb
SHA1 hash:	fed5352af1397236d1cc03713c5667223fd50802
MD5 hash:	6243d65146bdedb214751d9e4fb4e550
humanhash:	video-yankee-delta-march
File name:	wj0s.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	85'588 bytes
First seen:	2026-09-09 15:12:00 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	1536:8F495GsNpGzO/P72cxfDrC57JuqKB9yrUuEoVSYecA9Zo/IOy8WKZYU0XFRg/+x:8FOGSTL2cxfi50vBIUQMYeccZGnVLZYR
TLSH	T17283129B8295E3A2DAB278320B587654FD31B6232D304F869DC8766BDF379A11934F01
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 gafgyt mirai UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	85'588 bytes
File size (de-compressed) :	272'432 bytes
Format:	linux/amd64
Unpacked file:	284de7588b894176a57d660504c0fa44bbfe7d461698b72dd0e10e534e3f071a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/1b5064c3-d684-4935-8b49-5b744c4b6e77/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Sends data to a server

Receives data from a server

Opens a port

Deletes a file

Connection attempt

Substitutes an application name

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6aa17761a03b046d3cf4e62a/reports/e7ddfd20-d36c-4ee3-bed9-452ad568dabb/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

UPX

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/a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848

Behaviour

Process Renaming

Anti-Debugging

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-09-09T15:06:00Z UTC

Last seen:

2026-09-10T21:41:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/fde7ca37-a90f-46ed-829c-38fe79d2a848

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/f7c66797-000d-4e51-92f1-26d2576c3560

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-09-09 15:12:36 UTC

File Type:

ELF64 Little (SO)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u23rv7diflgjofe5axioui4d5jrcxvkybmjncpqs7ck4ic7trbea._file

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260909-slbllaytdy/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Creates a desktop entry file

Reads system network configuration

Modifies Bash startup script

Reads process memory

UPX packed file

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 PAM framework files

Modifies Watchdog functionality

Modifies the /etc/hosts DNS resolution file

Traces itself

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

Threat name:

Legit

Score:

0.06

Link:

https://yomi.yoroi.company/submissions/a6b71afc682acc97149d05d0ea2383ea622bd5580b12d13e12f895c40bf38848

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:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research