MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28d5d10f715a7451b043efd8519ebe24b53dc4e10ad85ade86a71de67a342f6. 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: 7

Intelligence 7 IOCs YARA 14 File information Comments

SHA256 hash:	a28d5d10f715a7451b043efd8519ebe24b53dc4e10ad85ade86a71de67a342f6
SHA3-384 hash:	1e85d818dc1dcf992cfa78acf51e7e90e1f83e9b10ae8a99d36fa63f778ddc8007ecd97b9cb91c4e2d16fea1d2c063e2
SHA1 hash:	445dc2869ccd6cf70442dad114623818e3360c5a
MD5 hash:	1444a3c7340f8f0d74710247c97fa4ca
humanhash:	illinois-floor-carbon-high
File name:	windy.i686
Download:	download sample
Signature	Mirai Create hunting rule
File size:	87'316 bytes
First seen:	2025-11-23 18:16:20 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:/InlZzkj+0cO4xoPEw6HMAKNSlGe80WJi+Kj/Osv4gv9l7E8:/IlySh9is7HMA3lGzo+Kj/Oc4H8
TLSH	T1A98329C1FA8BC0F1D91B89304067F63FCB31E9695061D75DEF9A9E36DA33581A212389
telfhash	t18a3103f6167a0de897e00c41e24e6f652d1eab7b606037a34273c930222fc42427bd39
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 ff1b5b181b04d3b18b5522a827e0f97727e140a8c3ff7853e4acbc61f289fb31

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) :	41'304 bytes
File size (de-compressed) :	87'316 bytes
Format:	linux/i386
Packed file:	ff1b5b181b04d3b18b5522a827e0f97727e140a8c3ff7853e4acbc61f289fb31

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sends data to a server

Receives data from a server

Runs as daemon

Opens a port

DNS request

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?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/a28d5d10f715a7451b043efd8519ebe24b53dc4e10ad85ade86a71de67a342f6

Behaviour

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/70bc8b6c-086f-4f25-864f-63080cc64e1d

Behavior Graph:

Download SVG

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1819618

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a28d5d10f715a7451b043efd8519ebe24b53dc4e10ad85ade86a71de67a342f6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a28d5d10f715a7451b043efd8519ebe24b53dc4e10ad85ade86a71de67a342f6/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-11-23 18:16:40 UTC

File Type:

ELF32 Little (Exe)

AV detection:

22 of 36 (61.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ukgv2ehxcwtukgyeh36ykgpl4jfvhxcoccwyllpinjy54z5dil3a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai defense_evasion discovery linux

Link:

https://tria.ge/reports/251123-wwrbksbn31/

Behaviour

Reads runtime system information

Enumerates running processes

Writes file to system bin folder

Modifies Watchdog functionality

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

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:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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

Rule name:	Linux_Trojan_Mirai_0cb1699c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_0d73971c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_268aac0b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_2e3f67a9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_485c4b13 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_70ef58f1 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_7d05725e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

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