MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730. 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 11 File information Comments

SHA256 hash:	f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730
SHA3-384 hash:	c3f6b31084874d0297490cf4d994b9d3062fe2bd1657e908788dc5df79dd25f45a4b21c5b29a9a7dbb8bf3697114d07a
SHA1 hash:	ec01a87ece64acdf90d8d6bc7be2789eb856bf27
MD5 hash:	6d32a8518279f20b238acbbed2a8c5be
humanhash:	green-twenty-pizza-london
File name:	db0fa4b8db0333367e9bda3ab68b8042.arm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	83'000 bytes
First seen:	2025-08-07 07:36:45 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:8x3bK3O4wBVd5CouPGH5kVHcQ5awjyk/8Zp1+xxD7M:8x3bK3OhHQcWRGs8Zp10R
TLSH	T14A831846BC92CA12C6D423BBFA2E118D332563E8E1DA7207DD105F1477CA92E0E77695
telfhash	t1ae410f2bdf740eac27ed4640d0cd243a9bed364c6b0529479a1c731bde43582f12e82b
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-dec

abuse_ch

UPX decompressed file, sourced from SHA256 443cedab1c2ebc053acc7d919549c631d47c34c09d4abedc94c733bbfdf4fc35

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) :	33'772 bytes
File size (de-compressed) :	83'000 bytes
Format:	linux/arm
Packed file:	443cedab1c2ebc053acc7d919549c631d47c34c09d4abedc94c733bbfdf4fc35

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL

Sanesecurity.Malware.29524.LC.UNOFFICIAL

Unix.Dropper.Mirai-7135870-0

Unix.Dropper.Mirai-7135906-0

Unix.Dropper.Mirai-7135966-0

Unix.Dropper.Mirai-7135979-0

Unix.Dropper.Mirai-7355719-0

Unix.Trojan.Mirai-9935718-0

Unix.Dropper.Mirai-9977145-0

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

mirai obfuscated

Link:

https://www.filescan.io/uploads/689457cc397fd3ce6fa068bc/reports/202d74cc-823e-4d8b-9d98-a2b47953b6a6/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:

37215,80,23,443

Full report:

https://elfdigest.com/brief/f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/257264a6-7609-4b33-98be-6a5c1624aec9

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9961fe8b-5ca3-4919-803f-1406bd48601f

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730/

Verdict:

Malicious

Threat:

HEUR:Backdoor.Linux.Mirai

Link:

https://tip.neiki.dev/file/f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-08-07 07:38:39 UTC

File Type:

ELF32 Little (Exe)

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6qbyi3ddgevtb33pelgmzbhde3pqyfgk33vtbobgjvtemnov44ya._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:unstable defense_evasion discovery

Link:

https://tria.ge/reports/250807-jf6ecaskz8/

Behaviour

Reads runtime system information

Changes its process name

Writes file to system bin folder

Modifies Watchdog functionality

Contacts a large (202454) amount of remote hosts

Creates a large amount of network flows

Verdict:

Malicious

Tags:

botnet mirai Unix.Dropper.Mirai-7135870-0

YARA:

MAL_ELF_LNX_Mirai_Oct10_1 MAL_ELF_LNX_Mirai_Oct10_2

Link:

https://app.threat.zone/submission/f4cddff2-25ee-4afe-8796-5d2a0c24f653

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/f403846c63312b30ef6f22cccc84e326df0c14cadeeb30b8264d664635d5e730

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:	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_d94e1020 Create hunting rule
Author:	Elastic Security

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

Rule name:	MAL_ELF_LNX_Mirai_Oct10_1_RID2F39 Create hunting rule
Author:	Florian Roth
Description:	Detects ELF Mirai variant
Reference:	Internal Research

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:	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