MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3. 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 15 File information Comments

SHA256 hash:	4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3
SHA3-384 hash:	aad35e0a0798eea3b9034a958db6767c726c73f5d8c29946e867620cdd843f686e669486a6e1e871f9d8c952d527865f
SHA1 hash:	f365d0bf9e63a4ee0d912601d64c8d4938759db2
MD5 hash:	63e83fcdae02a092ec6392837fcbcb28
humanhash:	iowa-five-floor-item
File name:	db0fa4b8db0333367e9bda3ab68b8042.arm7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	157'078 bytes
First seen:	2025-08-20 20:23:04 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:fkv0ju7fp130YZKl7W1hxG8HD8aZs/z9VoqD4umM/9vv8s2X0:8v0ypVKlqhNHD8aZsb9tD4nM/9vv8tX0
TLSH	T1F9E34C46EA808E13C4D527B6BA9F41893332A764D3DB73069D185FB43FC6BAE0E63505
telfhash	t12721fe351b21462a5b61dda888ed63b1151c93166748eb33df24848c20190efe93ec4f
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 491ce73cc7683ea2e39992e71183a05673954c02985d741e16e3fe76382b1ff5

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) :	58'224 bytes
File size (de-compressed) :	157'078 bytes
Format:	linux/arm
Packed file:	491ce73cc7683ea2e39992e71183a05673954c02985d741e16e3fe76382b1ff5

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

Opens a port

DNS request

Runs as daemon

Sends data to a server

Connection attempt

Substitutes an application name

Performs a bruteforce attack in the network

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

gcc masquerade mirai obfuscated obfuscated rust threat

Link:

https://www.filescan.io/uploads/68a62ed0419c816a6e8df644/reports/fa82b76e-986d-4daf-bbf1-c7aeb8f9badf/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/0c182665-a8a2-4d11-a3b0-8c67a59001c1

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-08-20 20:23:42 UTC

File Type:

ELF32 Little (Exe)

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j5yhd3avmhwv3eaofwnpxre4zvnnmu33s7bkkhprkcfp5uhrf6zq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:unstable defense_evasion discovery

Link:

https://tria.ge/reports/250820-y6fzpswyaw/

Behaviour

Reads runtime system information

Changes its process name

Writes file to system bin folder

Modifies Watchdog functionality

Contacts a large (193252) 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/3e3e2a3a-d31b-4f41-8981-475c9bdd50d6

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/4f7071ec1561ed5d900e2d9afbc49ccd5ad6537b97c2a51df1508afed0f12fb3

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:	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

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:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

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