MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f. 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: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f
SHA3-384 hash:	6fe70735cd69d77741a3b7e6d7d48fb7731535a2eb38dd8457f0cf604b9553af347cd3de6c570e347da8371ae8865d8c
SHA1 hash:	16bd30cb7ac10bea2ed7548ed234364178b56013
MD5 hash:	9b318565c59bd2e761269edbacac443d
humanhash:	mississippi-georgia-winner-nine
File name:	parm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	56'612 bytes
First seen:	2026-02-26 12:45:54 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:Nrb71W8ZL/eroWNpSHfqCFB6DfnwXrAjSqiFq58owRtC8z+uQS/5P24qFm9E8Qo9:Nrb7kJp+SCFBvRG58lnhPVQt8QdzI
TLSH	T1314301B901C68A65E11426B3EA4A1B423D77747232E630787CC81386B8FD647E9FC94E
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

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) :	56'612 bytes
File size (de-compressed) :	154'336 bytes
Format:	linux/arm
Unpacked file:	109f8140cad0cec0f1e61586bde05bd22690b1bdaeaddaf1bd1d9ac1bd5c1bae

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/77620434-ad99-44ad-b963-8036240b25d8/

Detection(s):

SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

mirai packed upx

Link:

https://www.filescan.io/uploads/69a0409010e80629d4f3b524/reports/aa9250c1-473c-42c5-9172-3f8de897b221/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

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/cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/c5d3e27a-daa7-4f52-9355-552089661d1e

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/dd5254b5-d2f8-4ae0-ad0c-544ec29c8942

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-02-26 12:46:20 UTC

File Type:

ELF32 Little (Exe)

AV detection:

12 of 36 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z364bbmfdjzrp3zz4xpqyw7xd42o2vl24nur7fiy3htso7ujgjpq._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/260226-pzptlaey4d/

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/cefdc085851a7317ef39e5df0c5bf71f34ed557ae3691f9518d9e7277e89325f

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:	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