MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7. 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: 13

Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash:	21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7
SHA3-384 hash:	5689e49a91a1fa2d5d3e823a419806dc4191168cf8b62bdc99ca1893f2c9bc7ddca85d60a9dcce02f6dbc0c0b9892b1c
SHA1 hash:	3cc1511ec57140792e581d74e19b3b548261a6a4
MD5 hash:	addc009c74c6d959ebd5ead4d80e9790
humanhash:	july-double-spring-tennis
File name:	akido.arm6
Download:	download sample
Signature	Mirai Create hunting rule
File size:	34'508 bytes
First seen:	2025-09-22 05:52:02 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:cCIqFied3+qak4E5bdnoeotINLc24QXQ9q3UELCg:czqZd5t4IF5AopL7
TLSH	T184F2D0A5E36CE378C56118F9EAAD51C365076EB8E8EF2077090A43B032F554A9D78887
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) :	34'508 bytes
File size (de-compressed) :	80'352 bytes
Format:	linux/arm
Unpacked file:	de91902b1fbd735daecc9aff8580c279526f10d29f3f93fbebd57a38c1bc9d91

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Dropper.Mirai-9976731-0

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

botnet masquerade mirai obfuscated packed upx

Link:

https://www.filescan.io/uploads/68d0e41873af424b47e9c12f/reports/4efa7f6e-289a-4b7d-bd22-457744fac752/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?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-09-22T03:24:00Z UTC

Last seen:

2025-09-22T03:24:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r

Link:

https://opentip.kaspersky.com/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/9c97727b-beb3-4371-b7e7-f0cd07e392ed

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/071f5444-edcf-4c0e-8d0f-eb9bfac1b921

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1781780

Signature

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/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-09-22 05:52:20 UTC

File Type:

ELF32 Little (Exe)

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ehc3wcminkke2b6hateedilzudlazqwl7usmyfdl3oysv45baktq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:lzrd botnet discovery upx

Link:

https://tria.ge/reports/250922-gks9gadr4w/

Behaviour

Reads runtime system information

Mirai

Mirai family

Verdict:

Malicious

Tags:

Unix.Dropper.Mirai-9976731-0

YARA:

n/a

Link:

https://app.threat.zone/submission/fa135509-d00d-4c91-811f-75fc57c6a541

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/21c5bb09886a944d07c704c841a179a0d60cc2cbfd24cc146bdbb12af3a102a7

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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