MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b. 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 5 File information Comments

SHA256 hash:	aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b
SHA3-384 hash:	4600f81155be4d937b1bc490f99fb996f250dff027bd272a14c24db389cdf27db2c43361f482730c459563c1df256f40
SHA1 hash:	5013fffcb61285fb6540680b1615d310e16a42f9
MD5 hash:	aacd9b65492b0e18694321e245083190
humanhash:	one-bakerloo-oscar-romeo
File name:	daredevil.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	54'096 bytes
First seen:	2026-08-26 21:06:34 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:bIVzK8VU+AauDRZYQ40qDIaVgVn0/d87jkvM1:bIk8VU+Nu1zkIaVga187jZ
TLSH	T1DC33F2631762D3F2E97126B327515BA862DAF064A285EB3E0D3060BF07797477E7050B
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) :	54'096 bytes
File size (de-compressed) :	143'480 bytes
Format:	linux/amd64
Unpacked file:	6314d9ef94d938cedc3045f22860ed4efddd6a6bac9a0b54e1be683419b5c1a1

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/e30b634b-866a-4d5e-8e34-842a239a3c5f/

Detection(s):

SecuriteInfo.com.Linux.Mirai.10750.16964.25395.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Sends data to a server

Receives data from a server

Runs as daemon

Connection attempt

Substitutes an application name

Traces processes

Deleting of the original file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bashlite mirai packed upx

Link:

https://www.filescan.io/uploads/6a8f55827f61c89821e35339/reports/db3443d6-434b-4338-8800-b084a8e3f162/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/aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b

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:

2026-08-26T19:13:00Z UTC

Last seen:

2026-08-27T18:07:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/84dcd565-df21-44b5-9769-d4dad70598d3

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/046847fe-89d1-4964-a907-18264bea51e1

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1964406

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/aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-26 21:07:16 UTC

File Type:

ELF64 Little (Exe)

AV detection:

14 of 37 (37.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vkf5ehhrkctezbclcwlifedzg3hwgzh2qm56jrxwccykqenmurnq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm discovery linux upx

Link:

https://tria.ge/reports/260826-zycsrawfne/

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/aa8bd21cf150a64c844b159682907936cf6364fa833be4c6f610b0a811aca45b

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/