MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a. 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: 13

Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash:	51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a
SHA3-384 hash:	65abe6e5d4e74072ca3cb6acb3455e511dc1a5089a2d8c75cdc1813ffc0279b3919a7a0a02325c9eefa3fb0fcf52dea7
SHA1 hash:	b1fdbffb8220eb0a268fa54986909448cd5011c7
MD5 hash:	fb5fcd3fdf78ed587cb98250fe9fb3a7
humanhash:	foxtrot-ten-papa-carolina
File name:	db0fa4b8db0333367e9bda3ab68b8042.x64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	78'816 bytes
First seen:	2025-11-25 14:08:24 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:zo8yOy+lDrHRwe4zq8iLe6rLPSZOBglXnne0o+rvU3:zo0y+9xwDzq8iLeKcXnnY+r
TLSH	T16F734947758584FDC118D17417BF7936C831B4BE1239B2E733C8FE262D0AEA01A6BA95
telfhash	t1c4117a372c55386412f767723307ca6a893308a011e5b5b4bf77a9e6df59b801e90433
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 gafgyt mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 53001a4c246720b845375054563e77c08e9b50aca07c5bd75206bf9a5bfc9c26

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) :	35'152 bytes
File size (de-compressed) :	78'816 bytes
Format:	linux/amd64
Packed file:	53001a4c246720b845375054563e77c08e9b50aca07c5bd75206bf9a5bfc9c26

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL

Sanesecurity.Malware.29524.LC.UNOFFICIAL

Unix.Dropper.Mirai-7135870-0

Unix.Dropper.Mirai-7135906-0

Unix.Dropper.Mirai-7135966-0

Unix.Dropper.Mirai-7135979-0

Unix.Dropper.Mirai-7355719-0

Unix.Trojan.Mirai-9935718-0

Unix.Dropper.Mirai-9977145-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Kills processes

Sends data to a server

Receives data from a server

Runs as daemon

Opens a port

DNS request

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

gafgyt masquerade mirai obfuscated

Link:

https://www.filescan.io/uploads/6925b89090fd0b5b4b0da9e4/reports/ea0ab29e-92be-4bfd-b6ff-f1d33518c11b/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

23,37215,80,443

Full report:

https://elfdigest.com/brief/51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

type:Mirai 158.94.210.88:56999

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2025-11-25T12:20:00Z UTC

Last seen:

2025-11-25T12:48:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/2434b36b-164e-417e-b248-3f387d91bc13

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-11-25 14:09:29 UTC

File Type:

ELF64 Little (Exe)

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kheojrmtjlz5yg5cegdyjt4sdqyqkzdacuikioxlzm5dolxm4qva._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:unstable defense_evasion discovery linux

Link:

https://tria.ge/reports/251125-rgacaswrcm/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Writes file to system bin folder

Modifies Watchdog functionality

Contacts a large (193046) amount of remote hosts

Creates a large amount of network flows

Malware Config

C2 Extraction:

cnc.504.su
scan.504.su

Verdict:

Malicious

Tags:

botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135870-0

YARA:

MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 elf_mirai_auto

Link:

https://app.threat.zone/submission/4990930f-f2b3-487c-89e4-ac4e5a9109c6

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

Threat name:

Mirai

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/51c8e4c5934af3dc1ba2218784cf921c310564601510a43aebcb3a372eece42a

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:	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:	elf_mirai_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects elf.mirai.

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

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_01e4a728 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_520deeb8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_6a77af0f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_e0cf29e2 Create hunting rule
Author:	Elastic Security

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:	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