MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75. 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: 9

Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash:	81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75
SHA3-384 hash:	34703b4f6238272401f4b24679743c7682df7c498a6729860e45adbf526049ab419e2a32620d1feccdc2df5cbe592239
SHA1 hash:	c9926a409257ce1432e166af95ae40ae3bed3f67
MD5 hash:	2b009d34b8717e2fa544ec7ac0b96270
humanhash:	november-fish-summer-monkey
File name:	sever1078.arm7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	274'288 bytes
First seen:	2026-09-24 04:51:11 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:hyuDRJUBwHzZvAkZJBrpn30ZEWLDx7oiaFcvqwNk7o6DvZuWhg3wJZkSCQ:DDPUBwH2kllnEZf97oiuciuTWhg3wJDF
TLSH	T1574423D446A3E70BB878793AE51391513205324C9BEACFCB14F4819922F2DF727A616F
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) :	274'288 bytes
File size (de-compressed) :	652'540 bytes
Format:	linux/arm
Unpacked file:	7635ab4fd11881d7eee99448290627ae8b42ee42f11e1801bbc9b2a3c86cdc55

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/92c6fedc-8071-4892-b865-8b7376c013b5/

Detection(s):

SecuriteInfo.com.Linux.Mirai.9816.11225.3201.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Creating a file

Sets a written file as executable

Sends data to a server

Receives data from a server

Creating a process from a recently created file

Manages services

Runs as daemon

Changes the time when the file was created, accessed, or modified

Kills processes

Opens a port

Connection attempt

Launching a process

Changes access rights for a written file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Performs a bruteforce attack in the network

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6ab4ac4e11bbbce7ebac7e94/reports/2002ca59-5350-4b9d-a884-6e468a874a83/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-09-24T02:28:00Z UTC

Last seen:

2026-09-24T02:52:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/f4904cb3-98e5-4db4-b149-96b5d8bfa927

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/aa40ec5d-3819-49ab-9fe4-8389bdf8d8e7

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75/

Threat name:

Linux.Trojan.Multiverze

Status:

Malicious

First seen:

2026-09-24 04:54:46 UTC

File Type:

ELF32 Little (Exe)

AV detection:

12 of 23 (52.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qhronnayn3sdyk6qf6mj23sgx5bzuislqpcxgu67sg7x6hx3r52q._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/260924-fgyjcaec48/

Behaviour

Command and Scripting Interpreter: Unix Shell

Reads runtime system information

Changes its process name

Reads system network configuration

UPX packed file

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies systemd

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

Contacts a large (45138) amount of remote hosts

Creates a large amount of network flows

Family: Mirai

Mirai ARM payload

Malware Config

C2 Extraction:

bigbigvol.qd.je

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/81e2e6b4186ee43c2bd02f989d6e46bf439a224b83c57353df91bf7f1efb8f75

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/