MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884. 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 4 File information Comments

SHA256 hash:	4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884
SHA3-384 hash:	af9a93d84d725c9d939a20c896674a18c2a536c81e0e3de6cfdef436afd6427c50d54b9dcd13959822b44be95acc0e3b
SHA1 hash:	dfc4f46d94fc27cf2e3049b171bb95167dbe60a5
MD5 hash:	6c4c46a6ef2e3892beb6e897df4e74df
humanhash:	potato-green-hot-pizza
File name:	reaver.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	70'020 bytes
First seen:	2026-08-29 03:17:13 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:J2gvsc6wGPwkG9lsCWCYIuuI4gM0wrGzmzQ4PBk5WJ:EgvsclkG9lvOX4gMprBXZk5WJ
TLSH	T1306301C2C973E8B6D46D57BCB0E817F0E9AD4EA87810182B55A537EE84D3FD61620861
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 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) :	70'020 bytes
File size (de-compressed) :	158'432 bytes
Format:	linux/amd64
Unpacked file:	73b846f0e2482253bdf5c109ecc11bb35d60ad61955c32bc04db531260222885

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/504b2bb5-ad56-42a9-9da8-347241046fc9/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Opens a port

Sets a written file as executable

Launching a process

Connection attempt

Changes the time when the file was created, accessed, or modified

Gains root access

Changes owner for a written file

Changes access rights for a written file

Creating a file

Creates or modifies symbolic links

Substitutes an application name

Writes files to system directory

Creates or modifies files in /cron to set up autorun

Creates or modifies files to set up autorun

Deleting of the original file

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

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

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?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884

Behaviour

Persistence

Process Renaming

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-29T01:01:00Z UTC

Last seen:

2026-08-30T22:57:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/9cb6e5e8-5c7e-4454-8cd7-5cab4bba1848

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/df9baa03-f289-49a1-8537-8620001d8238

Result

Threat name:

Gafgyt, Mirai, Xmrig

Detection:

malicious

Classification:

spre.troj.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1965632

Signature

Creates /etc/ld.so.preload

Drops files in suspicious directories

Executes the "crontab" command typically for achieving persistence

Found malware configuration

Found strings related to Crypto-Mining

Malicious sample detected (through community Yara rule)

Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions

Multi AV Scanner detection for submitted file

Protects files from modification

Sample deletes itself

Sample is packed with UPX

Sample reads /proc/mounts (often used for finding a writable filesystem)

Sample tries to persist itself using /etc/profile

Sample tries to persist itself using cron

Sample tries to persist itself using System V runlevels

Sample tries to set files in /etc globally writable

Writes identical ELF files to multiple locations

Yara detected Gafgyt

Yara detected Mirai

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884/

Threat name:

Linux.Trojan.PkexecExploit

Status:

Malicious

First seen:

2026-08-29 03:18:21 UTC

File Type:

ELF64 Little (Exe)

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iuqigvrezkqu2gzr5rwlih7kxugy467myfiiix6mdxj3hwvh7cca._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery exection execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260829-ds69hsfq2v/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Modifies Bash startup script

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies the /etc/hosts DNS resolution file

Modifies the dynamic linker configuration file

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

Threat name:

Suspicious File

Score:

0.64

Link:

https://yomi.yoroi.company/submissions/4520835624caa14d1b31ec6cb41feabd0d8e7becc150845fcc1dd3b3daa7f884

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

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

Rule name:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/