MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf. 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: 11

Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash:	a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf
SHA3-384 hash:	39c86918423a6e96496eae559224630f13a4b62c66dd9cbbe56b9e555e5a6b4a2bc8a129f7bb93970b99e9d70627cc57
SHA1 hash:	d7cc84f90916bdad0982795ece4c3a959269da01
MD5 hash:	180e1dc72e0cb6b907568535c9b60774
humanhash:	zulu-snake-wisconsin-saturn
File name:	nz.arm5
Download:	download sample
Signature	Mirai Create hunting rule
File size:	24'940 bytes
First seen:	2026-07-31 00:48:35 UTC
Last seen:	2026-07-31 09:35:18 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:sU2CkpevxM63iw/6IFEvWe+9tvbOjJfBv/s3UozNW:4xpiWzw/6IuPf5yzNW
TLSH	T180B2D02124ABFD61CAF5483EADFC4043367247BD9AFE715523401179A9C974F28F92CA
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 UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	24'940 bytes
File size (de-compressed) :	56'896 bytes
Format:	linux/arm
Unpacked file:	ddf666a2eb3096803696ddf5fee4eb56922a67b89242370a0796289feb124357

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f803649e-eb63-4b94-82d9-0f1cbd0106be/

Detection(s):

SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade mirai packed upx

Link:

https://www.filescan.io/uploads/6a6bf114ff55d9d7a11f8443/reports/f7695ad7-bb5b-42c4-bd22-6029979af79e/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-07-30T22:08:00Z UTC

Last seen:

2026-08-01T22:24:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/84589811-36c2-4e63-8970-e27f2125714d

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/182cfc50-cf24-44ae-8cf4-79a3c7872b0b

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1950432

Signature

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a8ff9266caf4a5c7871f67e6dd1efdec84998ebc5a18970273350407b7a02dbf/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-07-31 00:49:27 UTC

File Type:

ELF32 Little (Exe)

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vd7zezwk6ss4pby7m7tn2hx55scjtdv4limjoattgucapn5afw7q._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/260731-a6ke5aab93/

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:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/