MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0. 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 5 File information Comments

SHA256 hash:	5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0
SHA3-384 hash:	9de4091797b9c5143999f5baa7af5a41543b9e7792975d47280963bece5134b275002087d27c9e469c63875465fcce84
SHA1 hash:	d62b422fe0f501e1553cdd5f2885da954af75ba9
MD5 hash:	28a4a757b6dbfd0218412acc4bf2b59e
humanhash:	skylark-twenty-sad-happy
File name:	5bf1cb4f1d278957.bin
Download:	download sample
Signature	Mirai Create hunting rule
File size:	84'564 bytes
First seen:	2026-10-13 21:23:57 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:k/CYTzlPjDereapXSxnGPiNAIVgi3vGhJvXSpxdYRA9DX+9obVJun:8/ereaNkRNAIVgMGhJfixdYoDUobVQn
TLSH	T15F83027C1D1D4CB6E680C138AA5697F22CEC3B8100274E11BB465FA657399C5F64FAD2
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	whack_sh
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) :	84'564 bytes
File size (de-compressed) :	266'516 bytes
Format:	linux/mips
Unpacked file:	7b8e82e17d4c7f631287ba67bd2ff7ce8bc74a7af5026cb759d64a5adba11d64

Intelligence

File Origin

# of uploads :

# of downloads :

103

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/4eecad70-ed23-475b-bc12-3c955f8bc4d6/

Detection(s):

SecuriteInfo.com.Linux.Rootkit.420.3025.781.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Manages services

Connection attempt

Collects information on the CPU

Locks files

Creating a file

Collects information on the RAM

Launching a process

Creates directories

Sets a file as executable

Sets a written file as executable

Sends data to a server

Receives data from a server

Runs as daemon

Writes files to system subdirectory

Creates or modifies files in /cron to set up autorun

Kills critical processes

Substitutes an application name

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

Deleting of the original file

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6acea185501f2f668979dd79/reports/96edd0a0-289c-4bcd-bdaf-83d416ecfe8e/overview

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-10T07:05:00Z UTC

Last seen:

2026-10-10T07:22:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/8e0d3e89-7af6-4b5a-b53c-4f6495defd67

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/527b2fa8-2c7e-480a-894f-355b0e2b550f

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0/

Threat name:

Linux.Backdoor.Multiverze

Status:

Malicious

First seen:

2026-10-10 11:24:01 UTC

File Type:

ELF32 Big (Exe)

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lpy4wty5e6evpaklhrxo4ar5vlua57ewflxju3dwjc5b7xttr7qa._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/261013-z87e4s1s8q/

Behaviour

Command and Scripting Interpreter: Unix Shell

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Changes its process name

Checks CPU configuration

Reads system network configuration

UPX packed file

Creates/modifies Cron job

Deletes log files

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Deletes itself

Deletes system logs

Modifies the /etc/hosts DNS resolution file

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

Threat name:

Mirai

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/5bf1cb4f1d278957814b3c6eee023daae80efc962aee9a6c7648ba1fde738fe0

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/