MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf. 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: 6

Intelligence 6 IOCs YARA 12 File information Comments

SHA256 hash:	b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf
SHA3-384 hash:	bcadc2c6c111ce8c3195444bcfe1901d267bff2d38f4d993d1917a59db2ba25145f53c05776ab197113f4863bc8d615f
SHA1 hash:	8ebb99f0109f15702385564dab989d2c67e4c285
MD5 hash:	979e80456598cd28b660631476cb792f
humanhash:	bakerloo-jig-georgia-salami
File name:	reaver.arm6
Download:	download sample
Signature	Mirai Create hunting rule
File size:	189'212 bytes
First seen:	2026-08-28 19:37:24 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:/j+872/F/UIriPEwD+xVUh1XcATA8QdwDTQJUmOwzadoEuz9T9f/fheql9F3ttq3:/jezrPwD+xVUh1c+A8QdwPQ9OCaRuz9G
TLSH	T1C5042A56BD828E12C5C216BAFF5E824D33137BB8D3DE7213DD205F60278A59E0E7A512
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 71a63d77d43cb490b1a9bee381319fee5468c4337830158e698acd5d133681eb

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	76'756 bytes
File size (de-compressed) :	189'212 bytes
Format:	linux/arm
Packed file:	71a63d77d43cb490b1a9bee381319fee5468c4337830158e698acd5d133681eb

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Mirai.10757.12886.22788.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sets a written file as executable

Creates or modifies symbolic links

Changes owner for a written file

Deletes a file

Kills processes

Changes access rights for a written file

Creating a process from a recently created file

Gains root access

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

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

Deleting of the original file

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-28T17:49:00Z UTC

Last seen:

2026-08-29T20:36:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/23d971b0-1c08-4433-ac00-d8b792c681aa

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1f563668-6bed-407e-9bbd-56f654db5fdb

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-28 19:36:11 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=wq22hjbfavcpgzqx6o7zsg62b74ahajyk2orzrrmumi7fpryrlpq._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery exection execution persistence privilege_escalation

Link:

https://tria.ge/reports/260828-ycj49sea49/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies the /etc/hosts DNS resolution file

Modifies the dynamic linker configuration file

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/b435a3a4250544f36617f3bf991bda0ff8038138569d1cc62ca311f2be388adf

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:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

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

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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:	Linux_Exploit_CVE_2021_4034_1c8f235d Create hunting rule
Author:	Elastic Security

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

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

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

Rule name:	test_rule_vldslv Create hunting rule

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/