MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998
SHA3-384 hash:	ddf8a3a5ecfa01d859f8e1dcec6ddfb1ae8d745ab5ae68a5a0482f6891259eeb8d3e5b021c70ba2e025433a93bec8d2b
SHA1 hash:	d2a54b0d94c63138a889216181647aa3fe73555d
MD5 hash:	3c3ab50774c56532d6f33c13fa24ab24
humanhash:	pennsylvania-violet-lima-california
File name:	daredevil.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	54'816 bytes
First seen:	2026-08-29 03:55:06 UTC
Last seen:	2026-08-29 09:02:21 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:4845UMntv6U10dBBJLstxK3sZ8n4YqlQJm:4hHSU1grLsLIsmqlQ8
TLSH	T1A733027A83F7DB28E45159B32D68226EF7FA90421F0F1B7788E83B660171A473613721
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 gafgyt 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) :	54'816 bytes
File size (de-compressed) :	147'608 bytes
Format:	linux/amd64
Unpacked file:	50a4872735165a9a12ddcfe06510e262c98a5e1eaf1e422831bc2abcf0f162ed

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/79fc649b-d5a6-4dd7-80fc-75218263efd8/

Detection(s):

SecuriteInfo.com.Linux.Mirai.9829.2740.25728.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Connection attempt

Runs as daemon

Creating a file

Traces processes

Substitutes an application name

Deleting of the original file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bashlite botnet mirai packed upx

Link:

https://www.filescan.io/uploads/6a925822b4c59560c1aba1cf/reports/49ea4428-be88-41bb-81cc-4b3dcaad331f/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

true

Architecture:

x86

Packer:

UPX

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/507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998

Behaviour

Anti-VM

Anti-Debugging

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-29T00:30:00Z UTC

Last seen:

2026-08-30T22:10:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/77ea98e0-66c3-4453-bc79-2b031abbb53f

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/91a8af1d-dc26-4f13-9f96-dfeab793ef7b

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1965639

Signature

Malicious sample detected (through community Yara rule)

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/507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-29 03:56:17 UTC

File Type:

ELF64 Little (Exe)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kb5jd6od4bxkdygixx5creos5nbtkjgkb72qegmiaaf3wrddtgma._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm discovery linux upx

Link:

https://tria.ge/reports/260829-egwjbafq9y/

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/507a91f9c3e06ea1e0c8bdfa2891d2eb433524ca0ff5021988000bbb44639998

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

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/