MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc. 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: 12

Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash:	b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc
SHA3-384 hash:	9848d1b25733e6f6a1359a4ab96193dc0cb9aef8b6d54be155327c9590df74fe0a48807280c48c12be94303c62b10000
SHA1 hash:	e89d2e67f5ca523e94e4fb9f15859fd9d657b149
MD5 hash:	2be3c8d490fa8141bc313451479b3a56
humanhash:	oklahoma-kitten-hamper-purple
File name:	sora.i686
Download:	download sample
Signature	Mirai Create hunting rule
File size:	97'768 bytes
First seen:	2026-02-15 22:17:52 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:/+xr9S54MRhkQ3jfHxRO36iZpvaAH4AWkSjIyIZ:/+xrMmhQTHxo6iZp94tjjIz
TLSH	T1E3A34A85FA83C2F6D81704306062B73FC731CDA580B9EA5ADB9A5E35CA37541C7263B9
telfhash	t1c75119fb1d7a0cd873d0a805c35a6be1292eeb77152036e245f39ca433e69c250b6c39
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 4a4793f97f1b492d648733fbab1e560b0cd4d4e664701733a7e97d0b6042556d

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) :	39'972 bytes
File size (de-compressed) :	97'768 bytes
Format:	linux/i386
Packed file:	4a4793f97f1b492d648733fbab1e560b0cd4d4e664701733a7e97d0b6042556d

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Mirai

an XOR decryption key and at least a c2 socket address

Link:

https://research.acce.ciphertechsolutions.com/results/2303f167-5e9f-4c86-9a67-8f034036ba77/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Deleting a recently created file

Runs as daemon

Receives data from a server

Opens a port

Locks files

Sends data to a server

DNS request

Creating a file in the %temp% directory

Connection attempt

Substitutes an application name

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/b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

Link:

https://opentip.kaspersky.com/b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/59265513-2a74-453e-942f-5f7fd086ca20

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4c542788-d78e-4625-85e5-120dd336ece0

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-02-15 23:17:14 UTC

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xfkutafz67ibqkjx2mmd3xo3tvfglzssmc3gs7dkdea46mxfel6a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai defense_evasion linux

Link:

https://tria.ge/reports/260215-175qkadz5f/

Behaviour

Writes file to tmp directory

Changes its process name

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.

Threat name:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/b9554980b9f7d0182937d3183ddddb9d4a65e65260b6697c6a1901cf32e522fc

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_Toriilike_persist Create hunting rule
Author:	4r4
Description:	Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:	Identified via researched data

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_70ef58f1 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