MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe. 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 3 File information Comments

SHA256 hash:	b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe
SHA3-384 hash:	19010fe7cdc47768fc86561fbde71846cd8799664f83a8e9169a6e90af973074dfc2c1f29fd906c918623f90106b4622
SHA1 hash:	bf130701139dcd8f8d5c1fca5eae2bef31340ac6
MD5 hash:	b5bbcaff053d50fadc9a743bcbc87e32
humanhash:	twenty-sweet-music-single
File name:	debug
Download:	download sample
Signature	Mirai Create hunting rule
File size:	39'696 bytes
First seen:	2025-11-06 23:38:30 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:KWVfo8hDst19mFivmDJu6u0XlePXYnGHX+CSq+pUqPJ5qJnbcuyD7UHQRje:KSw8hDIzmFmmtvC+CSDeqPJ5Mnouy8Hp
TLSH	T15A03E124D8BD8143D6ACB57140FE3F2A0935E03F98098566D9C4A476AA62F9C277C2C6
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

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	39'696 bytes
File size (de-compressed) :	79'124 bytes
Format:	linux/i386
Unpacked file:	69ca5bf1c28042d4ebbb5e48425c3e499ef2a6106595701cc8d1302fe2e07423

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Dropper.Mirai-7135858-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Changes access rights for a written file

Sends data to a server

Changes access rights for a file

DNS request

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

mirai obfuscated packed upx

Link:

https://www.filescan.io/uploads/690d31a3f259f8423e827a1a/reports/3f87ccb3-9966-4adb-88cd-9479ec4dd6ff/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

UPX

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/b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe

Behaviour

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-11-06T21:49:00Z UTC

Last seen:

2025-11-07T10:51:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/3038198c-8843-4d90-824a-de10f61e652c

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/88cd8ba6-4fa8-435a-b20f-5364c3e5a7ce

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/1809673

Signature

Malicious sample detected (through community Yara rule)

Sample is packed with UPX

Uses dynamic DNS services

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-11-06 23:39:16 UTC

File Type:

ELF32 Little (Exe)

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wi54jyak5cntocskcmlnrfqzyxasgydgn47uizvpeml4bvfyj67a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery linux upx

Link:

https://tria.ge/reports/251106-3ndh3swpcv/

Behaviour

Reads runtime system information

Enumerates running processes

Writes file to system bin folder

Modifies Watchdog functionality

Mirai

Mirai family

Malware Config

C2 Extraction:

mortex.duckdns.org

Verdict:

Malicious

Tags:

Unix.Dropper.Mirai-7135858-0

YARA:

n/a

Link:

https://app.threat.zone/submission/ef56fd3f-54ee-451f-8ca8-085cd706285e

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/b23bc4e00ae89b370a4a1316d89619c5c12360666f3f4466af2317c0d4b84fbe

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:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research