MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c. 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: 9

Intelligence 9 IOCs YARA 19 File information Comments

SHA256 hash:	b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c
SHA3-384 hash:	ccb3dca80b52b9bd60cafa58e7fe010b932515d591103e180b91800430d4dc152bfc4ab75db46f8da4b7b6e5b4c1a9b0
SHA1 hash:	7043dfb9150790a00a6a5add7ebb509b1cb4cd46
MD5 hash:	b27e9b31fa4b3fd1204e8d42bbe5d5e0
humanhash:	sierra-alaska-march-delaware
File name:	bot.i686
Download:	download sample
Signature	Mirai Create hunting rule
File size:	477'328 bytes
First seen:	2026-08-30 08:34:49 UTC
Last seen:	2026-08-30 19:24:59 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:n58+vqtQA5ybvqGaMe6OifgiOiqr6ELxOqT0jZsKCpbxa9n2e:58+yWAYbvbaGZfpOiqr6eOq0sHa9n2e
TLSH	T1C2A44B48F2E3D2FDE00ADD705215B93F9D31463560B3A68AFB9ABE33D3A714445E9620
telfhash	t1ab9145723b7d89d5abd0ab00939f6612de1aa37384e834f704f720142ab2c425f75c39
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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.30435.LC.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Creating a file in the %temp% subdirectories

Sets a written file as executable

Creates or modifies symbolic links

Creating a file in the %temp% directory

Manages services

Creates directories

DNS request

Kills processes

Changes access rights for a written file

Creating a file

Opens a port

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

Launching a process

Runs as daemon

Sends data to a server

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Writes files to system directory

Traces processes

Creates or modifies files to set up autorun

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

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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 bashlite expand lolbin masquerade obfuscated

Link:

https://www.filescan.io/uploads/6a93eb40710a85705d531e9d/reports/d59b26b6-f21e-4198-b729-945906f41584/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c

Behaviour

Process Renaming

Anti-Debugging

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-30T06:44:00Z UTC

Last seen:

2026-08-31T04:52:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/89562d31-c057-44e9-9acc-bb96e0f0f3de

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/9eba4c46-01ba-4247-81f1-4511499921fa

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c/

Threat name:

Linux.Trojan.DirtyFrag

Status:

Malicious

First seen:

2026-08-30 08:35:32 UTC

File Type:

ELF32 Little (Exe)

AV detection:

12 of 23 (52.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wxmc5lcx7ugiy2fdpnzecr2eqonungnsg7azkfrlkfwqn3oumv6a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260830-kg362szhrd/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Creates a desktop entry file

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Modifies init.d

Modifies rc script

Modifies systemd

Write file to user bin folder

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

Traces itself

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

Threat name:

Legit

Score:

0.20

Link:

https://yomi.yoroi.company/submissions/b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c

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

Rule name:	ELF_Toriilike_persist Create hunting rule
Author:	4r4
Description:	Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:	Identified via researched data

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

Rule name:	EXPL_HKTL_LNX_DirtyFragShellcode_May26 Create hunting rule
Author:	Pezier Pierre-Henri (Nextron Systems)
Description:	Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:	https://github.com/V4bel/dirtyfrag/tree/master

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

Rule name:	linux_generic_irc_catcher Create hunting rule
Author:	@_lubiedo
Description:	Find new ELF IRC samples

Rule name:	Linux_Trojan_Mirai_0cb1699c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_268aac0b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_2e3f67a9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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 b5d82eac57fd0c8c68a37b72414744839b4699b237c195162b516d06edd4657c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3902438/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3902545/

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