MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c. 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: 6

Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash:	66f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c
SHA3-384 hash:	ae7e3b141aba0b08cad0dde83b805c8c1343f693aea28a7e4fc2363b1dbdbf63b02bb3b2bc479cfa9c549f4f5fb12944
SHA1 hash:	3207be98515f99ef9c33acd540d3722233ac9886
MD5 hash:	0d12d17c6844beb6c2b89cae996ad398
humanhash:	queen-august-romeo-ten
File name:	Yboats.arm5
Download:	download sample
Signature	Mirai Create hunting rule
File size:	32'596 bytes
First seen:	2025-12-03 12:18:25 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:z+xDlRz/lXzyt2fiW+gUwgu1OeIjw2qfV3UbF:z+tPdXrfL+hwgZeIGi
TLSH	T1B6E2F2A189448375ED601873FBB80A066327DC7275AEF4F63211C136F4A74B1BBAA54D
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 UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	32'596 bytes
File size (de-compressed) :	100'224 bytes
Format:	linux/arm
Unpacked file:	b8be5713d46ca9f111456587eb1d1de5be70577472ddefd84fcf772c7c15bb11

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

No details

Detection(s):

Unix.Trojan.Mirai-9894781-0

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade mirai obfuscated packed upx

Link:

https://www.filescan.io/uploads/69302ac437f663155c3610c0/reports/6f445687-79a0-4d03-be2a-f4a1683f7da3/overview

Result

Gathering data

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2e4445ea-9b97-4d93-8c4e-26295a7c69e7

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1825317

Signature

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/66f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/66f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=m34msl2swnre25zkvmfeh3rdp4gybzu7jqcy7dqkp2xpxewq6vga._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/251203-phancawqgw/

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/66f8c92f52b3624d772aab0a43ee237f0d80e69f4c058f8e0a7eaefb92d0f54c

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:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research