MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8. 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: 14

Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash:	b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8
SHA3-384 hash:	be2defb6d1e8d40b2a2ce9e707ea4e5309d0a267274f63536a8380c90dafb359fc4f33757bf3fbb42c28f8f3e85e8028
SHA1 hash:	d893c790757f3b8d0dc5c75c1d5b7781b018e976
MD5 hash:	4bdf93e1ee9923e9e28e844b33036fc5
humanhash:	oranges-shade-leopard-jig
File name:	sora.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	66'320 bytes
First seen:	2026-02-11 07:52:19 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:zBBOY6hgd0tO2Kn+14Uvnno0Eq/5RA7mIq/Pu:V6hgd082KnCvnno09/jemIaW
TLSH	T1DE534BC4E1D3E9FAED001978207ABF626D73E53FB135EA9BC3D95523A802702E50625D
telfhash	t1ca1129fa0e6e28f5b7e4a840c10e1f20785e5637256033d10833e97532efe81807ac79
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 d2e1172f111465559e1974f54f8050409f47d70c4efb1bec334a2a664adade48

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) :	29'816 bytes
File size (de-compressed) :	66'320 bytes
Format:	linux/i386
Packed file:	d2e1172f111465559e1974f54f8050409f47d70c4efb1bec334a2a664adade48

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Mirai

an XOR decryption key and at least a c2 socket address

Link:

https://research.acce.ciphertechsolutions.com/results/4a8043c4-91fa-4a16-b882-ee8e4431cf1c/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade mirai obfuscated

Link:

https://www.filescan.io/uploads/698c3565c9bfb60ece1e1b6a/reports/f9f6dbf8-cf98-4efe-9fd1-de966fb87e17/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:

not identified

Full report:

https://elfdigest.com/brief/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-02-11T05:46:00Z UTC

Last seen:

2026-02-11T06:27:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r

Link:

https://opentip.kaspersky.com/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/c78e2a5a-f174-41d3-ae85-b8bb6765eb94

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f3ddc22a-3ced-4ab4-9073-2eb72cca120d

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1867232

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-02-11 07:53:24 UTC

File Type:

ELF32 Little (Exe)

AV detection:

27 of 36 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w4tzbhyfiw4mdwjudmkcpvnqmqzxp6goerbjh7z43cpqntluc24a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:sora linux

Link:

https://tria.ge/reports/260211-jq1xlscx9d/

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/b727909f0545b8c1d9341b1427d5b0643377f8ce244293ff3cd89f06cd7416b8

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

Rule name:	Linux_Trojan_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_804f8e7c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_93fc3657 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_99d78950 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_a68e498c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_ae9d0fa6 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_fa3ad9d0 Create hunting rule
Author:	Elastic Security

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research