MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a. 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: 11

Intelligence 11 IOCs YARA 23 File information Comments

SHA256 hash:	a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a
SHA3-384 hash:	873bdf8c6e7a45c2d50b8c9d0a561ede0846291fa4017d39197b657a9bf9bf390ec87cafaba7119a6ad1aebc803490d7
SHA1 hash:	9311999b8ae990348a43561ed427d2a7ab9db771
MD5 hash:	7ee4fc5576f60ad8c22b5a133445f0ed
humanhash:	three-alabama-green-minnesota
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	66'912 bytes
First seen:	2026-03-31 12:25:56 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:De74tE6dgkaTJD0xMI3Qh2XEC0vnK6aDlU:g4OogkuJxNM30/aDl
TLSH	T18E630907B58281FDC14AC178266FBA3BDC2275FE0239B2A677D4FB262C46D211D1EE45
telfhash	t1bf116b8438ab16d471ffbc36e253f4600c620e5151e235e1dab3a0f3d7b3b8105a1847
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 5cca438629fa19de537ad0cfa6866450f0ff7f7977ac13a9fab79b9a9fb0719a

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) :	29'228 bytes
File size (de-compressed) :	66'912 bytes
Format:	linux/amd64
Packed file:	5cca438629fa19de537ad0cfa6866450f0ff7f7977ac13a9fab79b9a9fb0719a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Gathering data

Detection(s):

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL

Sanesecurity.Malware.28940.LC.UNOFFICIAL

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL

Sanesecurity.Malware.30481.LC.UNOFFICIAL

Unix.Dropper.Mirai-7135965-0

Unix.Dropper.Mirai-7355719-0

Unix.Trojan.Mirai-8025795-0

Unix.Trojan.Mirai-9441505-0

Unix.Trojan.Mirai-9970440-0

Unix.Dropper.Mirai-9977145-0

Unix.Trojan.Mirai-10011027-0

Unix.Trojan.Mirai-10011918-0

Unix.Trojan.Mirai-10027280-0

Unix.Trojan.Mirai-1

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

DNS request

Runs as daemon

Opens a port

Sends data to a server

Substitutes an application name

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:

2323,37215,23

Full report:

https://elfdigest.com/brief/a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-03-31T11:01:00Z UTC

Last seen:

2026-03-31T11:55:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/5d9c275d-3e67-4430-891d-d1abc094b88c

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2e518ca6-52ff-45ed-9869-c8fe47b744c6

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-03-31 12:26:27 UTC

File Type:

ELF64 Little (Exe)

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u5euey3wwfpyrkm6hxl5ljzys2tmm2ofsv3olhc5n2ogz46vmqfa._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:botnet defense_evasion discovery linux

Link:

https://tria.ge/reports/260331-pmcy9sdt4t/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Modifies Watchdog functionality

Contacts a large (112880) amount of remote hosts

Creates a large amount of network flows

Malware Config

C2 Extraction:

176.65.139.57

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a749426376b15f88a99e3dd7d5a73896a6c669c59576e59c5d6e9c6cf3d5640a

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

Rule name:	CVE_2017_17215 Create hunting rule
Author:	NDA0E
Description:	Detects exploitation attempt of CVE-2017-17215

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_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_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_ea92cca8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_01e4a728 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0bce98a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_520deeb8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_95e0056c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_e0cf29e2 Create hunting rule
Author:	Elastic Security

Rule name:	MatchByteSequence Create hunting rule
Author:	Generated by ChatGPT
Description:	Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8

Rule name:	Mirai_Botnet_Malware Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Mirai Botnet Malware
Reference:	Internal Research

Rule name:	Mirai_Botnet_Malware_RID2EF6 Create hunting rule
Author:	Florian Roth
Description:	Detects Mirai Botnet Malware
Reference:	Internal Research

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/