MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b90bed9e263890355772c8bc2feeff76509bca7a596f6afcc9221f5b104eea8e. 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 13 File information Comments

SHA256 hash:	b90bed9e263890355772c8bc2feeff76509bca7a596f6afcc9221f5b104eea8e
SHA3-384 hash:	e624440a4bd63dacd1c2d9a6011006d9f6bd132dbecd121277c7c288cb7d8d88184785038ddccc6158a5fbeedf24a3b8
SHA1 hash:	30ff8c2fdf4980f91be3bded217368656a243a7b
MD5 hash:	8df388b067ed03d37847c5af4527fbdc
humanhash:	lion-bluebird-tennessee-muppet
File name:	bot.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	924'976 bytes
First seen:	2026-08-19 16:34:12 UTC
Last seen:	2026-08-20 09:43:45 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	12288:QSvd2S3bGcr8P9O4E1I7iEd5HFeMNgVH5u4EwOKbl9tFQQwjjay7AGNeHX:QSvd2S3bGcr8grm7hNglQ4EablzWAG
TLSH	T16B158C1AB2B3F5BCD00BC0304BDBCAB29535B07925212D7B37C4DA353E66DA11369B66
telfhash	t190c158f44af676b0b1d7ca016352f4b98d322ce662e938a51a276d94dfc5ec00ca6c17
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	skocherhan
Tags:	elf mirai opendir wer-ldr-duckdns-org wereng-duckdns-org

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.29052.TSource.UNOFFICIAL

Sanesecurity.Malware.28940.LC.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Traces processes

Deleting of the original file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm anti-vm expand gcc lolbin mirai

Link:

https://www.filescan.io/uploads/6a85db1a6a7432e85370fefc/reports/c5d3ac58-b81b-47bb-a1a3-ffdc0ef1f017/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/b90bed9e263890355772c8bc2feeff76509bca7a596f6afcc9221f5b104eea8e

Behaviour

Anti-VM

Anti-Debugging

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/faaf5602-24a0-4c7d-baa9-536ac207acd6

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/267c68f8-269a-4173-921f-74b92eebb351

Score:

96%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b90bed9e263890355772c8bc2feeff76509bca7a596f6afcc9221f5b104eea8e

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b90bed9e263890355772c8bc2feeff76509bca7a596f6afcc9221f5b104eea8e/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-19 16:37:37 UTC

File Type:

ELF64 Little (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xef63hrghcidkv3szc6c73x7ozijxst2lfxwv7gjeipvweco5kha._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260819-t3db7agb96/

Behaviour

Reads runtime system information

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Checks hardware identifiers (DMI)

Creates/modifies Cron job

Modifies init.d

Deletes itself

Traces itself

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

Rule name:	botnet_Yakuza Create hunting rule
Author:	NDA0E
Description:	Yakuza botnet

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_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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:	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_Trojan_Gafgyt_ea92cca8 Create hunting rule
Author:	Elastic Security

Rule name:	malwareelf55503 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/