MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb. 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: 11

Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash:	557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb
SHA3-384 hash:	7b4533431649566e05aad99d679f1648bf98566840952ab642a2941b6771541bda39e80540704d8cbcacb67bb11a70b3
SHA1 hash:	5a585944bab701fd89e418bf51f78ff6da91b528
MD5 hash:	fddf5fbbbaf877759591d58064153a05
humanhash:	orange-march-zebra-yellow
File name:	557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb.elf
Download:	download sample
Signature	Mirai Create hunting rule
File size:	9'848 bytes
First seen:	2026-09-13 19:30:38 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	96:GjOTpJ4WHbHf5AlTTej6TNJ9V/Nddfs2oYJYoBSf7meaamBFBp8hBdZvZ4:G6z4WTcTTfTpVLdfs2So8f2Tr8h3
TLSH	T10E125147A2D1CE7FC8E813384467122472BBD47ADFA29713050C65B66E923DC1E6DF8A
telfhash	t159b02b025470414c8ff221380c24cc831202c1a3c9415f608d40f740ca3f08d804cf4d
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	whack_sh
Tags:	elf mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

SnowLight

Details

Link:

https://research.acce.ciphertechsolutions.com/results/2851e4a5-eb08-4f2c-a64d-4441c04bb7d0/

Detection(s):

Unix.Downloader.Generic-10032902-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a process from a recently created file

Receives data from a server

Sends data to a server

Connection attempt

Creating a file

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6aa6fa0a3562755077754082/reports/a48f3e25-a387-45b6-bfec-fc79eb52eb3b/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:

not identified

Full report:

https://elfdigest.com/brief/557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-28T06:25:00Z UTC

Last seen:

2026-09-03T10:03:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/14384563-a886-4701-a27d-01de8cba74a4

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/d477aecc-da1c-41f0-bad3-b76098de8d54

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb/

Threat name:

Linux.Backdoor.Vshell

Status:

Malicious

First seen:

2026-08-28 20:28:11 UTC

File Type:

ELF64 Little (Exe)

AV detection:

24 of 36 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kv5e5rat6fyzhtdkatkh2hfphmvi6fv2yylgqt7mv6vupyywds5q._file

Result

Malware family:

snowlight

Score:

10/10

Tags:

family:snowlight actor:unc5174 apt discovery linux loader

Link:

https://tria.ge/reports/260913-x8f7tacp7w/

Behaviour

Enumerates kernel/hardware configuration

Malware Config

C2 Extraction:

101.33.45.136

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/557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb

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:	Linux_Generic_Threat_3fa2df51 Create hunting rule
Author:	Elastic Security

Rule name:	malware_SNOWLIGHT_ELF Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	SNOWLIGHT
Reference:	https://sect.iij.ad.jp/blog/2025/11/unc5174-windows-snowlight-in-2025/

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

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/

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 557a4ec413f17193cc6a04d47d1caf3b2a8f16bac616684fecafab47e3161cbb

(this sample)

Delivery method

Distributed via web download

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