MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35. 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: 8

Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash:	cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35
SHA3-384 hash:	38fe003635e1a780d0427daa852444531940e35878f3569071f710aea1e6c9eab4a3630a54ac0c0db9c96157b30024e2
SHA1 hash:	b753506480750faae5381de5a5dc5682eee7d00c
MD5 hash:	ef153906c568fbec1b9c33bc9e971682
humanhash:	tennessee-magnesium-minnesota-potato
File name:	reaver.arm6
Download:	download sample
Signature	Mirai Create hunting rule
File size:	76'268 bytes
First seen:	2026-09-04 22:00:47 UTC
Last seen:	2026-09-04 23:26:24 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:TO2XA+8i+tkpBr+NGUHKIFnpa4vR+AtvDZvHf1g:i9+89kp4NDKYnpa4J+At1/G
TLSH	T130730281DB0A8891A87B09B2D4454543AE6DB7F599FF308E340D0D71E632386BDFD548
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai 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) :	76'268 bytes
File size (de-compressed) :	183'856 bytes
Format:	linux/arm
Unpacked file:	9d91a2692f7309ad560604580751fe76e0dc88d36c2f0fc1910201277496f67e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f6cc5e88-310c-4cf7-9254-76d64a37f9c7/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Sets a written file as executable

Changes access rights for a written file

Creating a process from a recently created file

Creates or modifies symbolic links

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

Gains root access

Opens a port

Launching a process

Changes owner for a written file

Connection attempt

Writes files to system directory

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

Creates or modifies files to set up autorun

Deleting of the original file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6a9b3faca1b8846d9f33345f/reports/37e8acb2-a921-4e8e-9fe1-9067be52f4f3/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35

Behaviour

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/a9a00fe8-115b-4772-a710-4bf3d782d9f8

Behavior Graph:

Download SVG

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5c36431f-9927-450a-a0c5-8562c0679732

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-09-04 22:01:24 UTC

File Type:

ELF32 Little (Exe)

AV detection:

4 of 36 (11.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zpbx5shc56o7ldhzoheal2frcderkwdfi3uejacvxopgghgwly2q._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/260904-1xbpqsx1c1/

Behaviour

Reads runtime system information

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

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/cbc37ec8e2ef9df58cf971c805e8b110c915586546e8448055bb9e631cd65e35

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/