MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3. 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: 9

Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash:	b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3
SHA3-384 hash:	b170ca80e095ff498a867dc2ef115e209c839e3c75de1be503b8c307503ba8261b6c911e0bda92730d5997cb11d2eced
SHA1 hash:	77d870db7fefe2e7462a02beb67913fe9b25a6a5
MD5 hash:	5d965982af5ffd0ce3039190a5461b80
humanhash:	seven-neptune-florida-illinois
File name:	arm5
Download:	download sample
Signature	Mirai Create hunting rule
File size:	58'720 bytes
First seen:	2026-09-25 05:00:38 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:aYCT5jd+9WlvDh4Ishav8NEXpig+mh9Vv:arT5xfkph+8NE5D+m3d
TLSH	T16F432B8EB9E2993FC5D493BAFB5E121D3315B3D8C1CA3717CD098B64278650E8D2B681
telfhash	t1a0e06101fd65da1999cb9a74ee9d03a59900231761174b21cf50d7e4c83f054f709eda
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 968d6684b22dd9b4b39f9e4e376c194c6f95a318850cd703300acdcefd96596e

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) :	25'372 bytes
File size (de-compressed) :	58'720 bytes
Format:	linux/arm
Packed file:	968d6684b22dd9b4b39f9e4e376c194c6f95a318850cd703300acdcefd96596e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/cc9c8453-c195-4b97-88ae-e1a10072fbbe/

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

anti-vm obfuscated rust

Link:

https://www.filescan.io/uploads/6ab60018c475391ebf333f13/reports/b57a46f4-6c76-4e90-91ca-c6f5e6088a57/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

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/b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/7bd1ed90-802f-4442-b654-c655071dc0fb

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4e692de5-eaaf-4838-ac31-40fe5e3242cc

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-09-25 05:01:24 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 36 (44.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wun7wt3k7pzlxd37ccrfzvaek23dqzvjf4fxiwzofusf42bu4srq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:lzrd botnet

Link:

https://tria.ge/reports/260925-fnm17ayv5q/

Malware Config

C2 Extraction:

wifihgu.duckdns.org

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/b51bfb4f6afbf2bb8f7f10a25cd40456b63866a92f0b745b2e2d245e6834e4a3

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_Generic_Threat_af48ca6a Create hunting rule
Author:	Elastic Security

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

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

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/