MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9. 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

Threat unknown

Vendor detections: 8

Intelligence 8 IOCs YARA 6 File information Comments 1

SHA256 hash:	4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9
SHA3-384 hash:	d470625cfc5d74b5d498d0c241e020d2907dfde99a1f0c771da25c2fadf385c7db5700637d17d600ee124a6d41051f4b
SHA1 hash:	ada4480502ff696567f3edb3b545e4a9b9e03f00
MD5 hash:	98dee1807b7a5f7ec8371402828e88a2
humanhash:	burger-harry-finch-salami
File name:	n4d_agent_jul17.elf
Download:	download sample
File size:	7'659'332 bytes
First seen:	2026-07-18 17:24:14 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	196608:F5WSwyYyUgweE/v2w6VJHFxj5TYW3RIXB:F5W/yeewC5FhIXB
TLSH	T1D57633AF856CFFEF0AF75C0791375C9002B2A407FE99D116E619DC7312369E99180A8E
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	boredchilada2
Tags:	elf Garble go MCP n4d NadMesh UPX worm

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) :	7'659'332 bytes
File size (de-compressed) :	20'070'526 bytes
Format:	linux/amd64
Unpacked file:	f3cd46be32a3eabcedecceab101b2b42e85bb52590153d43139b4b2adb17a246

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creates directories

Sends data to a server

Collects information on the RAM

Connection attempt

Locks files

Receives data from a server

Creating a file in the %temp% directory

Creates or modifies files in /cron to set up autorun

Accesses SSH

Creates or modifies files to set up autorun

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6a5bb6da57314c6b61efa83a/reports/fb1b737a-deee-454f-a379-60a05facef8a/overview

Verdict:

Malicious

Uses P2P?:

true

Uses anti-vm?:

true

Architecture:

x86

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

80,2376,22,443,2375,3000,3306,5432,5678,6379,6443,8000,8080,8443,8888,9000,10250,9200,9999

Full report:

https://elfdigest.com/brief/4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9

Behaviour

Anti-VM

Persistence

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:

2026-07-18T15:51:00Z UTC

Last seen:

2026-07-20T05:08:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/95bb6130-acab-4206-868d-79848a2909d9

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/c804571f-337c-4a96-982e-cc8a2ffa1924

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9/

Threat name:

Linux.PUA.Multiverze

Status:

Malicious

First seen:

2026-07-18 17:25:34 UTC

File Type:

ELF64 Little (Exe)

AV detection:

10 of 24 (41.67%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iz3lzvtk33yqgegefzwiclu57zngulpes7f6ydfzlnorxcz7m3eq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

antivm defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260718-vyzv3agx6l/

Behaviour

GoLang User-Agent

Enumerates kernel/hardware configuration

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Checks CPU configuration

Reads system network configuration

Modifies Bash startup script

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates running processes

Looks up external IP address via web service

Modifies systemd

Reads system routing table

Write file to user bin folder

File and Directory Permissions Modification

Executes dropped EXE

Adds new SSH keys

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4676bcd66ade/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9

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_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:	GoBinTest Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

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

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/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

elf 4676bcd66adef10310c42e6c812e9dfe5a6a2de497cbec0cb95b5d1b8b3f66c9

(this sample)

elf f3cd46be32a3eabcedecceab101b2b42e85bb52590153d43139b4b2adb17a246

Dropping

SHA256 f3cd46be32a3eabcedecceab101b2b42e85bb52590153d43139b4b2adb17a246

Dropping

MD5 56d63cdb7037b4e8744f5d4f6f775cd7

Comments

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commented on 2026-07-18 18:17:25 UTC

Write up on delivery, impact and detections can be found here https://cyfar.ca/engagements/n4dnadmesh-c2-coordinated-propagation-system-weaponizes-mcp?view=full