MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43. 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 20 File information Comments

SHA256 hash:	bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43
SHA3-384 hash:	43fd99a2cea55f9d2195ab968ca4e3e5bd46dff35c23b202c50597fcf1f5abe404bff005192d9a8007fe7c9363a131cf
SHA1 hash:	70d6f53a4a27493f15ce91ea070406147ab3568e
MD5 hash:	842982bc403abcd1d83db15155d52cb7
humanhash:	alanine-sad-papa-solar
File name:	i586
Download:	download sample
Signature	Mirai Create hunting rule
File size:	579'032 bytes
First seen:	2026-10-05 23:46:00 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:3W53ZZwoBfKfvxW3/vvGqwUqvE9yh6nn3wudhbjOlQsFJP+:GHZwoFKfI3uM9yh6vQQWP+
TLSH	T134C47C02AAF7D8B6F4A340B1215517754963D97B247BD94BDBA62CA0DE301C0E32D3BE
telfhash	t1601279b33afe0dec23d0a901830b2b26ee45a66359d435b649f354953373b829e75c39
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.29052.TSource.UNOFFICIAL

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL

Unix.Trojan.Gafgyt-9940653-0

Unix.Trojan.Mirai-9853183-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creating a process from a recently created file

Sets a written file as executable

Receives data from a server

Collects information on the RAM

Sends data to a server

Kills processes

Connection attempt

Runs as daemon

Creating a file in the %temp% directory

Writes files to system directory

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Performs a bruteforce attack in the network

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

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

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

gcc

Link:

https://www.filescan.io/uploads/6ac436d7d6d59aea2c7f25b9/reports/9edce89f-0576-4fb6-ab91-e24382e236cf/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:

23,2323,5555,8443

Full report:

https://elfdigest.com/brief/bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43

Behaviour

Process Renaming

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-10-05T22:00:00Z UTC

Last seen:

2026-10-06T19:47:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/7d0946b4-bcd9-4b2b-b5dd-b3a8d4fbfd8d

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/6a8831cf-eade-49fa-81e2-a44f86168452

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-10-05 23:46:34 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=x6zug6sptawmzm5pmk5hw2qkme445pov2j4puzg3ubsq4v6bbnbq._file

Result

Malware family:

xmrig_linux

Score:

10/10

Tags:

family:xmrig_linux discovery execution linux miner persistence privilege_escalation

Link:

https://tria.ge/reports/261005-3selyacc72/

Behaviour

Reads runtime system information

Writes file to tmp directory

Changes its process name

Reads system network configuration

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Family: xmrig

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/bfb3437a4f982cccb3af62ba7b6a0a6139cebdd5d278fa64dba0650e57c10b43

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_202503_elf_Mirai Create hunting rule
Author:	abuse.ch
Description:	Detects Mirai 'TSource' ELF files

Rule name:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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

Rule name:	golang Create hunting rule

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

Rule name:	Linux_Trojan_Gafgyt_5bf62ce4 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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:	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/