MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5. 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: 12

Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash:	2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5
SHA3-384 hash:	3e9e06e9974de0ca3f52c6c95f10e65385b871b9c5f3ae6eadfcc270b2e1ec044e9683da48194673cd8744efb3e2a31c
SHA1 hash:	a989f467bcd8d47f65344acf75a74d5f630c8467
MD5 hash:	9a5904bcc9e45ea59d7704788a5f0688
humanhash:	angel-london-one-fifteen
File name:	kt5
Download:	download sample
Signature	Mirai Create hunting rule
File size:	150'616 bytes
First seen:	2025-05-09 04:49:03 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:h8MMnQj9MG/fQRgqzyH1Hfl4zfyLJiE1xJY28G:h8MMnE9MkQRgq2ht4zqLJiErY28G
TLSH	T122E3F946BD518F13C5C622F7FBAE018D3B256B69D2EB31029D247F9037869DA0D77212
telfhash	t1d221cde48be019ec77f9c38081dba62daede30dd1504217ac959279f05936d2743b93b
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 :

101

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL

Sanesecurity.Malware.30435.LC.UNOFFICIAL

Unix.Trojan.Mirai-7100807-0

Unix.Dropper.Mirai-7136013-0

Unix.Dropper.Mirai-7136057-0

Unix.Dropper.Mirai-7136070-0

Unix.Trojan.Mirai-8025795-0

Unix.Trojan.Mirai-9858729-0

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=681d89916c95617a27b6310blinux22vpnfull_triage

Tags:

mirai

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

gcc lolbin mirai remote

Link:

https://www.filescan.io/uploads/681d89470b64e174c41f005e/reports/a27d0626-e6ad-4304-bf6b-b68593d221ff/overview

Verdict:

Malicious

Uses P2P?:

true

Uses anti-vm?:

false

Architecture:

arm

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

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Full report:

https://elfdigest.com/brief/2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2fb65b46-4d8b-466e-8d99-ef90848adab4

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1685071

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-05-09 04:49:13 UTC

File Type:

ELF32 Little (Exe)

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=f5trxapc6ftkexjfafjxekx56owzqo453dymhxebywlbleemhwsq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:mirai

Link:

https://tria.ge/reports/250509-ffq3wahp4s/

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

Threat name:

Mirai

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5

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_Threat_d94e1020 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Mirai_Generic Create hunting rule
Author:	albertzsigovits
Description:	Generic Approach to Mirai/Gafgyt samples

Rule name:	MAL_ELF_LNX_Mirai_Oct10_2 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects ELF malware Mirai related
Reference:	Internal Research

Rule name:	MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A Create hunting rule
Author:	Florian Roth
Description:	Detects ELF malware Mirai related
Reference:	Internal Research

Rule name:	Mirai_Botnet_Malware Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Mirai Botnet Malware
Reference:	Internal Research

Rule name:	Mirai_Botnet_Malware_RID2EF6 Create hunting rule
Author:	Florian Roth
Description:	Detects Mirai Botnet Malware
Reference:	Internal Research

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

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 2f671b81e2f166a25d250153722afdf3ad983b9dd8f0c3dc81c59615908c3da5

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3532683/

Delivery method

Distributed via web download

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