MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434. 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: 13

Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash:	4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434
SHA3-384 hash:	ea026a5a879ab865fead5296aab9d18c8be8786432a17518409a8d58f2f4ad2abd03e807f4775942003bc1804c67ddc3
SHA1 hash:	060384fc30bd8881e807132ed8e7dadab85fcd23
MD5 hash:	72e6944a3d364c931429b7156b31b693
humanhash:	october-undress-ten-hotel
File name:	bot.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	139'576 bytes
First seen:	2025-02-06 15:52:02 UTC
Last seen:	2025-02-07 00:01:58 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:tGtwnNiaOnUT7FKPT9OSQ7AOaogjV2iZlBWCgriAmQPdL:tGtwnNiaOnUTVuLyBmQPd
TLSH	T11DD33A17B5C180FDC4DAC1B44F9EF53ADD32B1AC1238B16B2BD4AA221E5AE315F1DA50
telfhash	t18c51acb12aa539d4a2fbeb7a730bd5a4ec340e2004e134d2edb7adf5de063410d65867
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

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a4db9351193558eb19a440linux22vpnfull_triage

Tags:

mirai ddos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

DNS request

Sends data to a server

Receives data from a server

Runs as daemon

Deletes a system binary file

Substitutes an application name

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

bash lolbin mirai remote

Link:

https://www.filescan.io/uploads/67a4dac56c9b889537f8a938/reports/2687808e-2191-443e-8634-b85c97966c89/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/4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

type:Moobot 36.50.135.137:43957

UDP botnet C2(s):

not identified

Result

Verdict:

UNKNOWN

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3526f315-842d-4310-b88b-974e126098fc

Result

Threat name:

Mirai, Gafgyt, Okiru

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1608533

Signature

Antivirus / Scanner detection for submitted sample

Connects to many ports of the same IP (likely port scanning)

Detected Mirai

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Uses dynamic DNS services

Yara detected Gafgyt

Yara detected Mirai

Yara detected Okiru

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-02-06 13:47:05 UTC

File Type:

ELF64 Little (Exe)

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=i4q5gupx2yfw6465nz2j2xiitktpkwx2kl5iibi6cctrsiu5mq2a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai discovery linux

Link:

https://tria.ge/reports/250206-ta7qbszjb1/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Creates a large amount of network flows

Malware Config

C2 Extraction:

103.178.228.64

Verdict:

Malicious

Tags:

trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0

YARA:

Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/8b0bb66d-efa4-4860-bec6-29db7939e4dd

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4721d351f7d6/report/overview.html

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

Threat name:

Mirai

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434

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

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

Rule name:	Linux_Generic_Threat_3bcc1630 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d0c57a2e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d996d335 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_01e4a728 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_1e0c5ce0 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_520deeb8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_6a77af0f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_e0cf29e2 Create hunting rule
Author:	Elastic Security

Rule name:	Mal_LNX_Mirai_Botnet_ELF Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect Mirai botnet, and there variants.

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 4721d351f7d60b6f73dd6e749d5d089aa6f55afa52fa84051e10a719229d6434

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3430036/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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