MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc. 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: 9

Intelligence 9 IOCs YARA 23 File information Comments

SHA256 hash:	491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc
SHA3-384 hash:	87e1b2d7dae4c224513baba4b8a4a66328146a4a691841b86b9aeae778a8c23d7fef597e140502f67335fb103817be72
SHA1 hash:	4a2ddd29bcb3f4e747fcd27ce67bf455f3e2c19e
MD5 hash:	4b4d2603948338c672cacb1b918849f6
humanhash:	kilo-mississippi-four-nineteen
File name:	Tsunami.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	70'512 bytes
First seen:	2026-11-09 17:17:21 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:2EuXR5BwrFcDlLIC3cOuNPUgOZCuB4t1zgFmPHV:Mh5BIeDxIC3FuthEF4tlE
TLSH	T166635BC4AB93CCF5ED010BB470B7EF3249B6E63E1196E986D3D4A9B3AD46502910336D
telfhash	t13c2138fa1abd18e9f3d45804c19e6d913969f07b35a537604573a53433a7e8124f4c3a
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 mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 a50f81a4ea196ec49f66554aba4538ffd07217688447bb95a2a1a50a95891573

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) :	30'176 bytes
File size (de-compressed) :	70'512 bytes
Format:	linux/i386
Packed file:	a50f81a4ea196ec49f66554aba4538ffd07217688447bb95a2a1a50a95891573

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/e10578b2-06ee-43eb-a748-d2ba9db59c6b/

Detection(s):

SecuriteInfo.com.Linux.Exploit-3.UNOFFICIAL

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL

Unix.Dropper.Mirai-7355719-0

Unix.Dropper.Mirai-9977145-0

Unix.Trojan.Mirai-9857931-0

Unix.Trojan.Mirai-9866113-0

Gathering data

Verdict:

Malicious

File Type:

elf.32.le

Link:

https://opentip.kaspersky.com/491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/026a7d47-0830-4acc-aa72-525e234bf876

Behavior Graph:

Download SVG

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-11-09 18:22:02 UTC

File Type:

ELF32 Little (Exe)

AV detection:

28 of 36 (77.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jeo7uuxvkagslfw6b2th35ij5taphi732fdi2plzcjyujhxfoxga._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet linux

Link:

https://tria.ge/reports/261109-vvclcsswaz/

Malware Config

C2 Extraction:

clownsec.ru

Malware Family:

mirai

Malicious:

True

Tags:

cve-2017-17215 elf payload exploit polymorphic

Link:

https://intel.virussign.com/intelligence/file/491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc

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/491dfa52f5500d2596de0ea67df509ecc0f3a3fbd1468d3d791271449ee575cc

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	Linux_Exploit_CVE_2017_17215_8b78a857 Create hunting rule
Author:	Elastic Security
Description:	Exploit code used in the ZeroBot malware

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

Rule name:	Linux_Generic_Threat_1ac392ca Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_804f8e7c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_93fc3657 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_99d78950 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_a68e498c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_ae9d0fa6 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_fa3ad9d0 Create hunting rule
Author:	Elastic Security

Rule name:	LIN_Downloader_Unknown_WgetChmodExecute Create hunting rule
Author:	Marjoriefort
Description:	Script shell downloader : wget+curl, chmod 777, execution, effacement (rm -rf) - botnet style
Reference:	misses_archive / grappe 5.182.210.174

Rule name:	NSVPS_Mirai_Busybox_Staging Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot

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

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/