MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f78a845fcdf2db1ea9dfa8b57cef9ffeaf8814a847ce6ce54a01cfbc30322c8. 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: 7

Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash:	4f78a845fcdf2db1ea9dfa8b57cef9ffeaf8814a847ce6ce54a01cfbc30322c8
SHA3-384 hash:	6ff22f7295d43bb00b2a0aaa7c700976ecbd4f06e61638f54ba9e36043aa61020378c6884a33cfd21889597cb9a0bc6e
SHA1 hash:	52e855125802b8f28505d04bd1537de7337d9ce8
MD5 hash:	c2dc97c24eb4af11367c739de28464c1
humanhash:	ink-network-arkansas-echo
File name:	mips
Download:	download sample
Signature	Mirai Create hunting rule
File size:	125'240 bytes
First seen:	2026-10-11 07:21:44 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	3072:cu37chGStmnF5j6gIs6ugYAKzAWq5qT8Afq2ZC2zmwyV49LNpJ:NrchGqOsDXYH8W2qT8Ay20om9spJ
TLSH	T1DAC30229C3549A21CCA538909BB7EDA19CD6D2EF9D0E27703790C86F5F6221AD673331
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) :	125'240 bytes
File size (de-compressed) :	306'720 bytes
Format:	linux/mips
Unpacked file:	8d2232b3d91d38f00f0c17e442fc12beb23639d526e2020e5d549f343735cb24

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/7a640dbd-f931-4aed-b385-1f9f3e0dc07f/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

Launching a process

Connection attempt

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

Runs as daemon

Changes access rights for a written file

Sends data to a server

DNS request

Creating a file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Performs a bruteforce attack in the network

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

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6acb39272250481725a1bf1e/reports/188628d2-02aa-4885-a295-657748581472/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

mips

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/4f78a845fcdf2db1ea9dfa8b57cef9ffeaf8814a847ce6ce54a01cfbc30322c8

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/d2c7b6c0-dd10-4ed9-90e0-cdd7d8e3807c

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/b1deaf7d-a2fe-4bf1-bf5b-5f323850fd46

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4f78a845fcdf2db1ea9dfa8b57cef9ffeaf8814a847ce6ce54a01cfbc30322c8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f78a845fcdf2db1ea9dfa8b57cef9ffeaf8814a847ce6ce54a01cfbc30322c8/

Threat name:

Linux.Worm.Mirai

Status:

Suspicious

First seen:

2026-10-11 07:22:31 UTC

File Type:

ELF32 Big (SO)

AV detection:

10 of 36 (27.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j54kqrp434w3d2u57kfvptxz77vprakkqr6ontsuuaopxqydelea._file

Result

Malware family:

n/a

Score:

9/10

Tags:

antivm defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/261011-h7b45sdh98/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Changes its process name

UPX packed file

Checks hardware identifiers (DMI)

Creates/modifies Cron job

Enumerates running processes

Modifies rc script

Reads MAC address of network interface

Reads network interface configuration

Renames itself

Contacts a large (425254) amount of remote hosts

Creates a large amount of network flows

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

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_arm_mips_ko_so Create hunting rule

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