MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1. 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 1 File information Comments

SHA256 hash:	cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1
SHA3-384 hash:	0e5911a6b36251de9d9378dab981c04b478897bf888355e3c7c583b70ccc571e67f41ac053e1fdc6742fb0072b100a4a
SHA1 hash:	1743bba3961074cd240ee7d75ae31b3ac27a9954
MD5 hash:	f2a2e423d4b971723dde7c2b723de872
humanhash:	stream-arizona-oregon-magazine
File name:	arm5
Download:	download sample
Signature	Mirai Create hunting rule
File size:	24'104 bytes
First seen:	2025-10-18 16:02:13 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	384:x40CLR0mMn9DQAJX6UaUQ65w97Gw7Emi3xZjEGs7VnQpyH84o++7kFhymdGUop5A:S0mM9DQKK7b6MCwynp8nQphfIs3Uoz9G
TLSH	T1A8B2C0918B9998AAC670EC3C9A6DC183B7062AFDE1E376D625701224EDCD4150DFD28F
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) :	24'104 bytes
File size (de-compressed) :	52'204 bytes
Format:	linux/arm
Unpacked file:	0f9d9eefefdea11a58f8b2658e96fdfaba8a856772ca3fe1cbbd8b8ba79b9298

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL

Unix.Trojan.Mirai-8274771-0

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/68f3bbf73a79800405ea1653/reports/31b911da-0fdb-4462-841a-ef526f3f85eb/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-10-18T13:13:00Z UTC

Last seen:

2025-10-19T10:15:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/ad7c46e7-4868-4b36-9441-320c883614a1

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/71dc7989-7a40-4a56-9599-0d88d04f14ab

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1797703

Signature

Malicious sample detected (through community Yara rule)

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/cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-10-18 16:13:28 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=zl6lt6krvh2244vaqs2mihn2re23fpjzxzpmjahpqbgteksu4dyq._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/251018-tmc2gsev9b/

Verdict:

Malicious

Tags:

Unix.Trojan.Mirai-8274771-0

YARA:

n/a

Link:

https://app.threat.zone/submission/ef4b5111-566d-4887-b988-c13888b21e83

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/cafcb9f951a9f5ae72a084b4c41dba8935b2bd39be5ec480ef804d322a54e0f1

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.