MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b. 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 9 File information Comments

SHA256 hash:	91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b
SHA3-384 hash:	6ffb1ce4687a630065ea60022959c9eb6309c809629f19941a466be6698de7fbfbf9a99da024a7ca7dde0983ae7eece2
SHA1 hash:	5cbd89deeb20c07c13fbc4100ff9171299d0461b
MD5 hash:	1064abb4f774ee5833edaf7cd7a393bd
humanhash:	victor-utah-oven-south
File name:	daredevil.armv7l
Download:	download sample
Signature	Mirai Create hunting rule
File size:	98'112 bytes
First seen:	2026-08-31 20:44:18 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:fQnGjcB//fbNJvbByNXqJgnlOuhan8v6yW9gelOchiADOj4M52YJ+F:u5/TNpByNXVlOuhan8v6dDLDOMMEDF
TLSH	T14BA308D6BC805B01D5D626BAFE0F114933534BB8E3F9B103CE185B2E678AC6B0A77615
telfhash	t179e026b25b7c198d7fc5830140c87105a9ed35860d6611c3ae3de52d8667483f80da33
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 68087159a07ff7dcec0c23eade3e7781177a04a7fe7860a9df2a880a39d90df4

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	42'344 bytes
File size (de-compressed) :	98'112 bytes
Format:	linux/arm
Packed file:	68087159a07ff7dcec0c23eade3e7781177a04a7fe7860a9df2a880a39d90df4

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

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:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm mirai rust

Link:

https://www.filescan.io/uploads/6a95e7de66af21ef309247ce/reports/ed4f082a-e459-468f-93ce-db3db822da59/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

not packed

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/91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b

Behaviour

Anti-Debugging

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/65e91555-2d3a-4b9d-a57d-18a98f260bde

Behavior Graph:

Download SVG

Gathering data

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/1966411

Signature

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-31 20:44:43 UTC

File Type:

ELF32 Little (Exe)

AV detection:

13 of 36 (36.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=shwlytqrgmjffyhxh4yhemzzre7s6bf7xulrhoydh7at4ianpjnq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm discovery

Link:

https://tria.ge/reports/260831-zjvd9ayhrg/

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/91ecbc4e11331252e0f73f30723339893f2f04bfbd1713bb033fc13e200d7a5b

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:	ach_202503_elf_Mirai Create hunting rule
Author:	abuse.ch
Description:	Detects Mirai 'TSource' ELF files

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

Rule name:	ELF_Toriilike_persist Create hunting rule
Author:	4r4
Description:	Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:	Identified via researched data

Rule name:	Linux_Generic_Threat_8299c877 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Generic_Threat_c19ca8e5 Create hunting rule
Author:	Elastic Security

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/

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02