MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f. 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: 5

Intelligence 5 IOCs YARA 8 File information Comments

SHA256 hash:	3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f
SHA3-384 hash:	7a7678b023bf1cd5003f07b25920c780c82a18fe5383bef0938f90db4d127d6f298af898889bee423853aa9c9cfbb9f4
SHA1 hash:	49fbe3e58f65140dc9a44ad0f7eb5132de495059
MD5 hash:	3104b74969c5d58cb9f088c3ab6aab0f
humanhash:	high-hot-leopard-robin
File name:	mips
Download:	download sample
Signature	Mirai Create hunting rule
File size:	730'696 bytes
First seen:	2026-09-20 10:10:28 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	12288:Oea4lKX0Es2EGC/H6AA1izQYIMVUYg3KI0R0xSidk8pDwYIgDz:Da4lKEEs2FSH611izQYIMVnRR0xSiAY5
TLSH	T1B0F47D537722CFA8E361D67005F386259AA521A30BF254C5A37CD2207A51B6C6C6FFF8
telfhash	t1245193580a7813e4a7256c9d09acef37d5e134df7a162c378e10e85dab6aa834e10c1d
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 66c977d91dcf53fd885e0e1ce25d99f32b1cc5fbad150eee94b80aa265c9bb60

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) :	261'348 bytes
File size (de-compressed) :	730'696 bytes
Format:	linux/mips
Packed file:	66c977d91dcf53fd885e0e1ce25d99f32b1cc5fbad150eee94b80aa265c9bb60

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Siggen.15318.25009.25925.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sets a written file as executable

Creating a file

Sends data to a server

Manages services

Creating a file in the %temp% directory

Runs as daemon

Receives data from a server

Changes access rights for a written file

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

Launching a process

Connection attempt

Creates or modifies files in /cron to set up autorun

Creates or modifies files to set up autorun

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

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

gcc

Link:

https://www.filescan.io/uploads/6aafb141114e76d6c1d0a26b/reports/f2ca0924-8590-448e-b852-7946170ebfc0/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

mips

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/3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f

Behaviour

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/6770bd0b-6ed9-4456-9dc1-40e73a6bf0d2

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/414d26ad-5062-4a45-a19b-7da35982b56c

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=hnbkr43rnf6bwi44tce5r5gicsiipq7irnimwvgnmbh43xuy5u7q._file

Result

Malware family:

n/a

Score:

6/10

Tags:

defense_evasion discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260920-l72xcavtgv/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

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/3b42a8f371697c1b239c9889d8f4c8149087c3e88b50cb54cd604fcdde98ed3f

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	enterpriseunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise UNIX

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

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

Rule name:	malwareelf55503 Create hunting rule

Rule name:	MIRAI_OHSHIT_payload Create hunting rule
Author:	AfterPacket
Description:	MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:	https://github.com/Afterpacket/drosera-threat-intel

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/