MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2a77379aaaa70df30b91faa88f65a542973bd04ea8c90140139d3ef34ad184e. 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 5 File information Comments

SHA256 hash:	d2a77379aaaa70df30b91faa88f65a542973bd04ea8c90140139d3ef34ad184e
SHA3-384 hash:	390c29ad70f1cd1ea7991145cb1674aa7e6379c5990652080aa452465c39b43e1b0bdc18aac67aae278800393ce03668
SHA1 hash:	89a08be775f4a3dac7dbeec5a45a4cd02d0f43b0
MD5 hash:	eb70da94d19911566d812246856244dc
humanhash:	spaghetti-four-alabama-snake
File name:	daredevil.armv7l
Download:	download sample
Signature	Mirai Create hunting rule
File size:	42'744 bytes
First seen:	2026-08-21 10:34:05 UTC
Last seen:	2026-08-22 07:20:32 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:dIUuDX4C7e22zJmtnGCfuA3OKsMeb3/W87SQ1wMaVJwduv9q3UELCYd:eDIj22zedf1+CebvW87SQ1N/bLT
TLSH	T18C13F16749746EB3D5F009B1A9F996C6F8C11BFCE0D9081319988AC0DBD4849B9FC293
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) :	42'744 bytes
File size (de-compressed) :	98'252 bytes
Format:	linux/arm
Unpacked file:	b74c3c7ab3ff70abca1dd8941c2de844cb841f46b9ae8e5da63e9026a90802cb

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/54d18651-88e4-4512-a7d7-b88be7402928/

Detection(s):

SecuriteInfo.com.Linux.Mirai.9816.5443.30315.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Runs as daemon

Receives data from a server

Creating a file

Sends data to a server

Traces processes

Substitutes an application name

Deleting of the original file

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/c8e05590-8032-4609-8bae-d4cde6ab4a80

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b96d385d-da2a-4505-b931-5118ef8e4d7e

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1961727

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/d2a77379aaaa70df30b91faa88f65a542973bd04ea8c90140139d3ef34ad184e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d2a77379aaaa70df30b91faa88f65a542973bd04ea8c90140139d3ef34ad184e/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-21 10:34:38 UTC

File Type:

ELF32 Little (Exe)

AV detection:

17 of 38 (44.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2ktxg6nkvjyn6mfzd6vir5s2kquxhpie5kgjafabhhj66nfndbha._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm discovery upx

Link:

https://tria.ge/reports/260821-ml9whayala/

Behaviour

Reads runtime system information

Checks hardware identifiers (DMI)

Traces itself

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/d2a77379aaaa70df30b91faa88f65a542973bd04ea8c90140139d3ef34ad184e

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_IoT_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

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

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/