MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63. 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: 14

Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash:	4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63
SHA3-384 hash:	f95e319395b7f39b5f1a570e7cdf8ffef586110a6ed11fa905c7c69fa0981e41d577d2bb2d477c5023dc6fd500ae895b
SHA1 hash:	49de9e56ec0a11a2e29d98dd7716e6956f9763bf
MD5 hash:	e626e2bf0ff202a9c33e4081e4351e20
humanhash:	lemon-finch-double-sodium
File name:	morte.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	37'820 bytes
First seen:	2025-09-08 00:40:03 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:RpS+nJVhHnxQvAW7pBWWb/siozmiCTXmec737V+lenbcuyD7UHQRjFd:RpdnJnOvA+pcWb0iEgXBcDMlenouy8H4
TLSH	T11F03F124AD2A4305C8EC61782D5FF6190114300AE98A0279BFF93373DC76F6E7E65396
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) :	37'820 bytes
File size (de-compressed) :	75'028 bytes
Format:	linux/i386
Unpacked file:	4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Dropper.Mirai-7135858-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Receives data from a server

Runs as daemon

Opens a port

Sends data to a server

Connection attempt

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

masquerade packed threat upx

Link:

https://www.filescan.io/uploads/68be27befe1969faa8a7636a/reports/9a5b4ac3-5944-4ccc-830e-469a4bc6e77b/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

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/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

Behaviour

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-09-07T18:35:00Z UTC

Last seen:

2025-09-07T18:35:00Z UTC

Hits:

~100

Detections:

HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj

Link:

https://opentip.kaspersky.com/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/b2c5ff5d-de87-4c1b-9894-e63675ddfbf8

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bc7bc905-4c7e-424a-b186-b0937511b7ce

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1772820

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Uses dynamic DNS services

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-09-08 00:43:38 UTC

File Type:

ELF32 Little (Exe)

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=i4yrah56fdqhrhx5dos7hksqsflmr2yy2zfi4stw5bxoarsfxvrq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery linux upx

Link:

https://tria.ge/reports/250908-a5pcpa1tds/

Behaviour

Reads runtime system information

Enumerates running processes

Writes file to system bin folder

Modifies Watchdog functionality

Mirai

Mirai family

Malware Config

C2 Extraction:

uraniumc2.ddns.net

Verdict:

Malicious

Tags:

Unix.Dropper.Mirai-7135858-0

YARA:

n/a

Link:

https://app.threat.zone/submission/4a794f9a-2a80-4f7f-b610-46cb6f15cebc

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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