MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e. 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 4 File information Comments

SHA256 hash:	656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e
SHA3-384 hash:	344cbef6ecdfc1da72509fe7bf2ec75d8f3e242452a1ed935fa9597eb2ef62c55c7cd8b2c121423f770fe671881f6663
SHA1 hash:	73cb1bd86f6dd7e9912c5e3c6bd3462631b2d514
MD5 hash:	f8f98a7f520fdb3b95cab4f5645d4dd3
humanhash:	robert-floor-diet-earth
File name:	arm6
Download:	download sample
Signature	Mirai Create hunting rule
File size:	59'528 bytes
First seen:	2026-09-22 04:45:20 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:49CjzLBrChWq7r/A9r8igk8sKUmRBI9mIbIx1BlY6Qs:dh8UzKUmRezbIx1Blt
TLSH	T14E43027A5BED8102C1A00639F852F79DA611DFB89D9CB2481F2B0E2D39530561F71BD7
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) :	59'528 bytes
File size (de-compressed) :	131'448 bytes
Format:	linux/arm
Unpacked file:	3b33bd887a1de3f0935c10d159dca99e123dc251a3074c2caf5085ed21334ee2

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/a425ed96-2fd6-4739-b3af-87d96cce3bf0/

Detection(s):

SecuriteInfo.com.Linux.Mirai.10757.27477.13840.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creates or modifies symbolic links

Opens a port

Launching a process

Sets a written file as executable

Sends data to a server

Runs as daemon

Kills processes

Changes access rights for a written file

Connection attempt

Receives data from a server

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

Creates or modifies files in /cron to set up autorun

Writes files to system subdirectory

Writes files to system directory

Performs a bruteforce attack in the network

Creates or modifies files to set up autorun

Deleting of the original file

Creates or modifies files in /init.d to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6ab20814d7e7e80da2e21fcd/reports/e1f87973-0e4a-4eb6-aa4d-bcbb572fc0f9/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

176

Number of processes launched:

140

Processes remaning?

false

Remote TCP ports scanned:

Full report:

https://elfdigest.com/brief/656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e

Behaviour

Persistence

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-09-22T02:40:00Z UTC

Last seen:

2026-09-22T03:03:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/edff369c-77c5-49a6-b8f1-b3f37f33ae57

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0b0ddd06-d59d-40c6-8c53-745f6e01e371

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-09-22 04:46:20 UTC

File Type:

ELF32 Little (Exe)

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mvxfhgv4ktzgf2v3nuer35iptpwhdjkzavbb6cr7ylvukgvaicpa._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/260922-fd23csvxdz/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Creates a desktop entry file

Modifies Bash startup script

UPX packed file

Creates a large amount of network flows

Creates/modifies Cron job

Creates/modifies environment variables

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies Watchdog functionality

Modifies the /etc/hosts DNS resolution file

Contacts a large (10170) amount of remote hosts

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/656e539abc54f262eabb6d091df50f9bec71a55905421f0a3fc2eb451aa0409e

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:	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/