MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b. 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 14 File information Comments

SHA256 hash:	a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b
SHA3-384 hash:	b59e347f02278f0df57be0334476d2ae36586c9930ba69dd22bc26474f245179d335ad8fbad07d8bbaeb41cb0f9cf86f
SHA1 hash:	b25e639a1bd7bec301556dd6529a59e2275a5350
MD5 hash:	7a3a382deba261ecd9157de2f4756133
humanhash:	november-twenty-cola-two
File name:	nuclear.i686
Download:	download sample
Signature	Mirai Create hunting rule
File size:	166'248 bytes
First seen:	2026-05-25 03:00:39 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:gYnp5+7OK6SmV2Sp5vzC2D2+n8V7+vQi1F5J23W5q1RWAVO7/Eey:9IY5LC2D2+n8V7QQi1BQlYoV
TLSH	T183F31800FD87D1F1C8874D7150AAB33FDB31BA189127D71BEF956E32DA6BA029215E48
telfhash	t1c45106b71daa6aec33d4ca01d30e2b01ee09d1777c5534ba467617d422f3e0161b5dba
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.28880.LC.UNOFFICIAL

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL

Sanesecurity.Malware.29052.TSource.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL

Unix.Trojan.Mirai-9441505-0

Unix.Trojan.Mirai-9946826-0

Unix.Trojan.Mirai-10011027-0

Unix.Trojan.Mirai-10011918-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Runs as daemon

Receives data from a server

Connection attempt

Sends data to a server

Substitutes an application name

Deleting of the original file

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-05-25T00:07:00Z UTC

Last seen:

2026-05-25T00:07:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.es

Link:

https://opentip.kaspersky.com/a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/93a8e3ef-d530-4097-b00b-08ddcb44fd3d

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/08870371-47a1-4004-8ac5-bc2cb054e157

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-05-25 03:02:31 UTC

File Type:

ELF32 Little (Exe)

AV detection:

15 of 36 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vczjfdzc4k46c55umvzv4ll6hp6vowycjsmxa7wv7u6klgo4tofq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

credential_access defense_evasion discovery linux

Link:

https://tria.ge/reports/260525-dh7gjaax7m/

Behaviour

Reads runtime system information

Changes its process name

Reads process memory

Enumerates running processes

Writes file to system bin folder

Deletes itself

Modifies Watchdog functionality

Unexpected DNS network traffic destination

Contacts a large (918) amount of remote hosts

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

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

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

Rule name:	Linux_Generic_Threat_3bcc1630 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0cb1699c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0d73971c 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_c8385b81 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

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 a8b2928f22e2b9e177b465735e2d7e3bfd575b024c99707ed5fd3ca599dc9b8b

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3852717/

Delivery method

Distributed via web download

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