MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb. 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 3 File information Comments

SHA256 hash:	4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb
SHA3-384 hash:	52953c5d3822cf321159b8e3330d5227cd7e321182609810bd75dad00a50fd229a7141f500297c8a1867f50534494249
SHA1 hash:	a9dcc493d499c5d75e7ac370a289bc0f010c22ee
MD5 hash:	df5c60f0d2ce6005646ccc13a796493a
humanhash:	enemy-alabama-mississippi-muppet
File name:	xnxnxnxnxnxnxnxnmipsxnxn
Download:	download sample
Signature	Mirai Create hunting rule
File size:	72'820 bytes
First seen:	2025-12-02 06:45:56 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:lQwJ5k3eAYOYSVBghTlYGvhXzYkmwYbFFDNeTQor9:R5kBLV2TlnhX8fwIB7S9
TLSH	T19F631225330546B1CFC60EF3B9A6A6921EC50F8378C1B29A0EF473B93D7B28917E5042
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) :	72'820 bytes
File size (de-compressed) :	198'792 bytes
Format:	linux/mips
Unpacked file:	185b9bfbea7a1d080e30bb5de2ed72eb604650b3769d3b58db26ce1d49d553cc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

No details

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

mirai packed upx

Link:

https://www.filescan.io/uploads/692e8b35c1a2f55fb9c52d01/reports/fc705830-cbae-43d3-b0b7-9cde40ad3ff2/overview

Result

Gathering data

Verdict:

Clean

File Type:

ELF 32 BE

Link:

https://opentip.kaspersky.com/4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/76204cd1-8c19-4bcf-8bde-0028b88bed11

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre.troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1824186

Signature

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

Deletes system log files

Manipulation of devices in /dev

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Sample tries to kill a massive number of system processes

Sample tries to kill multiple processes (SIGKILL)

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb/

Verdict:

Clean

Link:

https://tip.neiki.dev/file/4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb

Threat name:

Linux.Worm.Mirai

Status:

Suspicious

First seen:

2025-12-02 06:46:14 UTC

File Type:

ELF32 Big (Exe)

AV detection:

4 of 36 (11.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iwd7d5geimjwzt5klnb54h3g3nhmvf67bf6fgz4ycdffmij3kdfq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access defense_evasion discovery upx

Link:

https://tria.ge/reports/251202-hjqmmacp4w/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Reads process memory

Enumerates active TCP sockets

Enumerates running processes

Deletes log files

Deletes Audit logs

Deletes system logs

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/affb15b3-270a-49b1-b5bf-37c8d8388b25

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/4587f1f4c443136ccfaa5b43de1f66db4eca97df097c53679810ca56213b50cb

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:	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