MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b. 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 3 File information Comments

SHA256 hash:	f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b
SHA3-384 hash:	4a94556d8067e4d239719558e5b02f004c56a9836e12265f564a5c792d241505a6913f3f1a9384dbbf885ff8e55d634b
SHA1 hash:	d207c9619537eae90c0fac9cc31668dd166f3971
MD5 hash:	7b0e378d2912f4cd64d324cd886eb989
humanhash:	summer-rugby-pennsylvania-berlin
File name:	aisuru.arm7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	79'392 bytes
First seen:	2026-01-29 05:27:09 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:BEsCUgljoLUrrqdXBPEs7Eaif1Kv/3PMvcPfZEcF9EmwmOqpv0KUrD+B+JMiEedx:iZUgGLUnqhD4pS8cjf5Ak+JZEox
TLSH	T13F73026B474BE4E1F350122B7A0D5508FF87D93839A667D690068BFB9F91A4100BEDCB
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) :	79'392 bytes
File size (de-compressed) :	240'287 bytes
Format:	linux/arm
Unpacked file:	f6dd35eec4647dac08f8da8c9da16aa170e3d705f47dbc4c5a6a03974b528ea3

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/9e86d7c1-5363-4140-ac4b-d8ad73fbe1ac/

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Sets a written file as executable

Creating a file

Gains root access

Launching a process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade mirai packed upx

Link:

https://www.filescan.io/uploads/697aefbfa57b6af70d11a0a0/reports/ccf9a510-a92a-43dc-9467-8e812e24def0/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

209

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/e958ee8a-8e22-4ec2-a72d-9d594869cb6b

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2a663ce1-85bd-4c29-9449-8afef3c3bec0

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1859561

Signature

Drops invisible ELF files

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Writes identical ELF files to multiple locations

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7g46hxevubpmev7zrycxn3ahax5davxbmsivc5yky2t3q3f3jnnq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery persistence upx

Link:

https://tria.ge/reports/260129-f5ljpagx6g/

Behaviour

Reads runtime system information

UPX packed file

Write file to user bin folder

File and Directory Permissions Modification

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/f9b9e3dc95a05ec257f98e0576ec0705fa3056e1649151770ac6a7b86cbb4b5b

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

Rule name:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research