MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc. 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: 5

Intelligence 5 IOCs YARA 6 File information Comments

SHA256 hash:	f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc
SHA3-384 hash:	5492571696ffff122c9bc9efcc30bc6ea504ad4add8cd49ccb1ef0a6860355712101219e4685bfee93ef9a0e5488a788
SHA1 hash:	8e0995173b8bd15b9b1100171ede619b907f6442
MD5 hash:	cc354e0cd2cfde3c80a17ead892ea48e
humanhash:	magazine-magnesium-pennsylvania-saturn
File name:	arm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	100'996 bytes
First seen:	2026-09-02 18:08:23 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	3072:Il/hxplyOm4AkAC1uxiJKQZfWKcM0C+aPB4yaAzS9:YTE1kFSsfJcLut4
TLSH	T136A3121EE6F74A40D89A3F35246D412D0045AEC6D2FD27CFEFA92A930D4720E7E119B6
Magika	elf
Reporter	BlinkzSec
Tags:	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) :	100'996 bytes
File size (de-compressed) :	186'204 bytes
Format:	linux/arm
Unpacked file:	efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/44bfb132-c3c1-4298-8c7d-55ea23c22529/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Opens a port

Connection attempt

Manages services

Runs as daemon

DNS request

Changes access rights for a written file

Creating a file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Creates or modifies files in /init.d to set up autorun

Performs a bruteforce attack in the network

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6a9866a5850317b34ad2fedd/reports/b223d339-0835-40b8-a8a6-afe17e6792fd/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/612c138d-5716-496a-83d6-6bd29df7699a

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/3eeab590-46c6-4eed-803a-e8d4e4d6e472

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6p2m3uhfkvej2uy2hpedpygle3ra3nonx2v4j2g43t77wmxu736a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/260902-wrjqyazcjd/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

UPX packed file

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Write file to user bin folder

Modifies Watchdog functionality

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

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:	elf_arm_mips_ko_so Create hunting rule

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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