MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3. 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 14 File information Comments

SHA256 hash:	ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3
SHA3-384 hash:	f6d6f504471ddf4bc21eb8c39a548dd79fcf8d29488d070454947855f8b7c0c2dabcbfeeca66fba8d18476476706e595
SHA1 hash:	51c7ea2526b6cc7f05992cb2375aa28c66d6ce5f
MD5 hash:	6e349910e7c1170c8dab624be07b3ed7
humanhash:	sweet-ink-fourteen-winner
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	223'584 bytes
First seen:	2026-10-21 13:00:02 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:ImN6KGNemFpDKslA4NFGGCi5Dr4LBXYgakhWnQKbihKk7jSw4BLWXWTysESO2f0U:8DKsGqGNgr4LhYgVQcjSwMLW+5tAI/C
TLSH	T1D7241B5732B5B194CDD9C038729A03B9DB98F0A613BABB4EDB979DA0BD144807D2C353
telfhash	t183416b49b3a13a2663d45702c78c7d7e1cc325e6554f28ce52e68fd72e1afc71aa0436
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.29052.TSource.UNOFFICIAL

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL

Unix.Trojan.Gafgyt-6735924-0

Unix.Trojan.Gafgyt-9940653-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sends data to a server

Opens a port

Locks files

Receives data from a server

Collects information on the RAM

Connection attempt

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Runs as daemon

Sets a written file as executable

Creates or modifies symbolic links

Launching a process

Deleting a recently created file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

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

Performs a bruteforce attack in the network

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

Gathering data

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-10-21T10:37:00Z UTC

Last seen:

2026-10-21T10:54:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/7d2b034f-1e77-482b-9862-f1c270f04193

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/1a895100-18f7-440a-869d-2df18b9b1d1a

Result

Threat name:

Mirai, Xmrig

Detection:

malicious

Classification:

spre.troj.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1989984

Signature

Connects to many ports of the same IP (likely port scanning)

Drops files in suspicious directories

Drops invisible ELF files

Found strings related to Crypto-Mining

Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions

Multi AV Scanner detection for submitted file

Protects files from modification

Sample tries to persist itself using /etc/profile

Sample tries to persist itself using cron

Sample tries to persist itself using System V runlevels

Sample tries to set files in /etc globally writable

Writes identical ELF files to multiple locations

Yara detected Mirai

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3/

Threat name:

Linux.Trojan.Qwexlafiba

Status:

Malicious

First seen:

2026-10-21 13:00:46 UTC

File Type:

ELF64 Little (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5rgjb7ve2iuepzj35v6t47q4o4blyunsjfbqihth7klmghdn5srq._file

Result

Malware family:

xmrig_linux

Score:

10/10

Tags:

family:xmrig_linux defense_evasion discovery execution linux miner persistence privilege_escalation

Link:

https://tria.ge/reports/261021-p8yg4acx4s/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Reads system network configuration

Modifies Bash startup script

Creates a large amount of network flows

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Modifies systemd

Removes the immutable protection flag from a file

File and Directory Permissions Modification

Executes dropped EXE

Modifies Watchdog functionality

Contacts a large (2411) amount of remote hosts

Family: xmrig

Malware family:

Gafgyt

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ec4c90fea4d2/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.26

Link:

https://yomi.yoroi.company/submissions/ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3

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:	Cling_Ngioweb_IoT_Proxy_bot Create hunting rule
Author:	eFeSpain
Description:	Cling/Ngioweb IoT bot (residential proxy, C2 disguised as STUN)
Reference:	https://blog.efespain.com/capitulo-19/

Rule name:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	golang Create hunting rule

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	LIN_Malware_Unknown_ForgeAuto_0daebbb8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (elf, etat binaire)

Rule name:	MIRAI_TELNETCURL_payload Create hunting rule
Author:	AfterPacket
Description:	Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:	https://github.com/Afterpacket/drosera-threat-intel

Rule name:	NSVPS_Hydra_SSH_Bruteforce Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot

Rule name:	NSVPS_Mirai_Busybox_Staging Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf ec4c90fea4d22847e53bed7d3e7e1c7702bc51b24943041e67fa96c31c6deca3

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3948947/

Delivery method

Distributed via web download

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