MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0. 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: 10

Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash:	40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0
SHA3-384 hash:	ae2e3137c2483fd063a2f0c067dd712b2cb534c1952dd95fe5b50b44bab15036cde76f4dec0b8cdaeb94b384dd7e445f
SHA1 hash:	d274c96926a58df1bb551680c659b4f4a8a4541e
MD5 hash:	f528b6a9864751f03517cda9e5c5b4c5
humanhash:	snake-pip-pennsylvania-cup
File name:	sora.arm7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	162'505 bytes
First seen:	2026-02-12 19:20:29 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:48vYs1CFhq8Ii/sHx4J2OUMnQ12EXu48XzUQLhnIH7FiXHf2M/9lCOn:TvYs1CFhq8N/sRkxb48XzUQLhIHgXH+E
TLSH	T119F33C45EA818A53C4D517BAB6AF01893332A754E3DB730689185FB43FC6B6F0E77602
telfhash	t15f41cbf0472b96241a68cbdc89dc73ae121c92169243df73ef2484bca11409df83ad4f
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 94d359b64539c16be4c10131085a603d178630a215a6e49349bdb80cd8c8cf6e

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	53'624 bytes
File size (de-compressed) :	162'505 bytes
Format:	linux/arm
Packed file:	94d359b64539c16be4c10131085a603d178630a215a6e49349bdb80cd8c8cf6e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Mirai

an XOR decryption key and at least a c2 socket address

Link:

https://research.acce.ciphertechsolutions.com/results/6991d6e3-09b9-46a4-b18f-789ae27d4da3/

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

gcc masquerade mirai rust

Link:

https://www.filescan.io/uploads/698e282b2ffccda0976e8c3a/reports/b17dc6ea-ccf7-40e9-ba50-6b97586f8718/overview

Verdict:

Malicious

Uses P2P?:

false

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:

8080,80,37215,2323,23

Full report:

https://elfdigest.com/brief/40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0

Behaviour

Process Renaming

Information Gathering

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/6e1a8165-3f58-4441-89af-692cc17b4abe

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/625fe8e8-c73c-4574-adb9-97c89099babe

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-02-12 19:21:29 UTC

File Type:

ELF32 Little (Exe)

AV detection:

24 of 36 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=idejbra2uvh6ps7vl2q3yuptoa42fic463n3uxudrnghlulxphaa._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:echobot family:mirai defense_evasion discovery

Link:

https://tria.ge/reports/260212-x2rpzagv8e/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Enumerates active TCP sockets

Enumerates running processes

Modifies Watchdog functionality

Contacts a large (247557) amount of remote hosts

Creates a large amount of network flows

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/40c890c41aa54fe7cbf55ea1bc51f37039a2a05cf6dbba5e838b4c75d17779c0

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_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	CVE_2017_17215 Create hunting rule
Author:	NDA0E
Description:	Detects exploitation attempt of CVE-2017-17215

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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

Rule name:	Linux_Generic_Threat_8299c877 Create hunting rule
Author:	Elastic Security

Rule name:	MAL_ARM_LNX_Mirai_Mar13_2022 Create hunting rule
Author:	Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:	Detects new ARM Mirai variant

Rule name:	MAL_ELF_LNX_Mirai_Oct10_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects ELF Mirai variant
Reference:	Internal Research