MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537. 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 6 File information Comments

SHA256 hash:	91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537
SHA3-384 hash:	62f00da3681248169dc5a974cacf75b837bd8ad55da1281df7fca3b8c4b3f8362108bafc8964d66846c9ca3726bb845f
SHA1 hash:	2f55b482b936892a863203146c5af03d18f60aec
MD5 hash:	9c2cc87c3d71210e4f3d413d1df8599b
humanhash:	utah-steak-solar-mountain
File name:	net.mips
Download:	download sample
Signature	Mirai Create hunting rule
File size:	251'512 bytes
First seen:	2026-09-17 22:52:16 UTC
Last seen:	2026-09-18 22:45:20 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:VSSDPMtM4WrkhYAp8cMD9alOOSOD3nCKVJ:VSEPSWrkhYAp8caEOOjX
TLSH	T1DF34A71E6E328F7EF6A8873447B78E30975D23D626D1D584E1ACD1011E2439E681FFA8
telfhash	t1db41a0180e7813f0a7295d9d099dff3ad2a331da7e162c378f11e86aa769b835d10c0c
Magika	elf
Reporter	abuse_ch
Tags:	elf gafgyt mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/186dc43f-6d97-4a76-bdf1-90fb893c26da/

Detection(s):

Unix.Trojan.Mirai-8041698-0

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

bash lolbin masquerade obfuscated

Link:

https://www.filescan.io/uploads/6aac6f5a4487eb5f1121be5b/reports/97c100c8-8860-4ba1-ae02-786161532047/overview

Verdict:

Malicious

Uses P2P?:

true

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/91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537

Behaviour

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-09-17T20:04:00Z UTC

Last seen:

2026-09-19T01:45:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/2719bb95-8682-4bba-8799-7181f6df4c01

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/55a4e543-d074-48cf-b2d0-6d697b3dc656

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537/

Threat name:

Linux.Trojan.Gafgyt

Status:

Malicious

First seen:

2026-09-17 22:53:15 UTC

File Type:

ELF32 Big (Exe)

AV detection:

15 of 23 (65.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=shth7sqi4olfmcrax3qsn6nwzasb7bjbzpaormxhwmp75ugtcu3q._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet credential_access defense_evasion discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260917-2t2mesdg72/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Changes its process name

Reads process memory

Creates/modifies Cron job

Enumerates running processes

Modifies init.d

Modifies systemd

File and Directory Permissions Modification

Deletes itself

Modifies Watchdog functionality

Family: Mirai

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/91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537

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:	ach_202503_elf_Mirai Create hunting rule
Author:	abuse.ch
Description:	Detects Mirai 'TSource' ELF files

Rule name:	deepfield_potassium_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Potassium Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper). Also known as Woof (internal) and Dichter (related variant with Dutch C2 domains, same key material).
Reference:	Internal analysis of sample 6ef4ce02; external: @deobfuscately

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:	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 91e67fca08e396560a20bee126f9b6c8241f8521cbc0e8b2e7b31ffed0d31537

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3916053/

Delivery method

Distributed via web download

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