MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7. 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 5 File information Comments

SHA256 hash:	b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7
SHA3-384 hash:	cbd297956d666a94220b891778444a49bb50e0c64567a0336eaef46df71dbd5882c7c9b764c7c6f66702a180acb31670
SHA1 hash:	254d98917a7c8fa64303c62fea6cf1582ac39ee4
MD5 hash:	ddcf056dd9571ad87f2daabf4141f6fd
humanhash:	florida-chicken-quebec-queen
File name:	x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	74'704 bytes
First seen:	2025-12-17 10:47:32 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:hqjdSU5VcpCrUiUicj4CzVX/tZ9un7xElmrQG5oxtuUEk6RR:hqjdSQcUgizcj4i/L9ox4mUaM1
TLSH	T15E7339CAA713ECF5EC56453514B7E7335E32F13A0039EA87D794B973BC02621A60A29D
telfhash	t12931e6f62dbe58d9f3d0ac04c10f1e21392e56bb65b036e101b3a93137e7d02606ac79
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.30645.LC.UNOFFICIAL

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL

Unix.Trojan.Mirai-7755770-0

Unix.Trojan.Mirai-9866113-0

Unix.Trojan.Mirai-9885259-0

Unix.Trojan.Gafgyt-9940653-0

Unix.Trojan.Mirai-10008934-0

Unix.Trojan.Gafgyt-6735924-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Runs as daemon

Receives data from a server

Opens a port

Sends data to a server

DNS request

Creating a file

Connection attempt

Substitutes an application name

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/69428a6fa7163552ba01c535/reports/a00f67fd-0093-441e-9ea9-149abf9d9704/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-12-17T08:43:00Z UTC

Last seen:

2025-12-17T09:55:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/62135f32-60ab-4671-b7ff-50a23385a885

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/647d41a1-523c-42c4-8ac0-88e802d83582

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre.troj

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1834667

Signature

Antivirus / Scanner detection for submitted sample

Connects to many IPs within the same subnet mask (likely port scanning)

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample scans a subnet

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-12-17 10:48:15 UTC

File Type:

ELF32 Little (Exe)

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wxx5zr36x2sw4r2wmanh5yap3t4sw254ydqcbma4ztmd2os5ko3q._file

Result

Malware family:

n/a

Score:

9/10

Tags:

discovery linux

Link:

https://tria.ge/reports/251217-mv7shadx8e/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Enumerates active TCP sockets

Enumerates running processes

Renames itself

Contacts a large (1546) amount of remote hosts

Creates a large amount of network flows

Verdict:

Malicious

Tags:

trojan mirai Unix.Trojan.Mirai-7755770-0

YARA:

Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3

Link:

https://app.threat.zone/submission/e8bb4565-2c5b-45ca-a894-19022c31d5af

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

Threat name:

Malicious File

Score:

0.96

Link:

https://yomi.yoroi.company/submissions/b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7

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_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

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 b5efdcc77ebea56e4756601a7ee00fdcf92b6bbcc0e020b01cccd83d3a5d53b7

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3700411/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3726326/

URLhaus

https://urlhaus.abuse.ch/url/3726324/

URLhaus

https://urlhaus.abuse.ch/url/3726258/

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