MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b. 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 5 File information Comments

SHA256 hash:	8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b
SHA3-384 hash:	801fa11e9e2cafb85828cd2db29b77ce3ee123019702ecf0f41defbe3667612986605471345c682fa5d8224ce0a85bbf
SHA1 hash:	627e0987c4ff85b85d8d6f116b4d3e35243e95ff
MD5 hash:	f2a4de7d92dec333a677881457c7378e
humanhash:	pluto-beer-carolina-idaho
File name:	nwfaiehg4ewijfgriehgirehaughrarg.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	39'332 bytes
First seen:	2025-08-22 08:23:56 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	768:qWEpd2cR0FVepN18qzdmtRPwZVpU+t4vE5w5Lzzyl2A5Va5nyFU0VxIp9CnbcuyQ:qXjnGMN18EUtKU+evaw5L9QgJTixISnf
TLSH	T10503F19FA8ACC581FB1816302078AE5F3520948B21DD876DBA09707FBCE173EB316349
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) :	39'332 bytes
File size (de-compressed) :	79'504 bytes
Format:	linux/i386
Unpacked file:	e1939689fc7904b625de21484eccd47bc17799e86b7115b05dfc47da50ef14c0

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Dropper.Mirai-7135858-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

DNS request

Runs as daemon

Removes directories

Sends data to a server

Connection attempt

Deleting a recently created file

Substitutes an application name

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

masquerade packed threat upx

Link:

https://www.filescan.io/uploads/68a829714a87ed7967680229/reports/56b0647c-e64b-4f8d-a467-26e6bc118efd/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-08-22T05:29:00Z UTC

Last seen:

2025-08-22T05:29:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj

Link:

https://opentip.kaspersky.com/8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/787d064b-d637-48c0-a8c5-32673fd71f05

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/38d55921-aed0-40f4-8cc4-12a407083775

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1762772

Signature

Deletes system log files

Malicious sample detected (through community Yara rule)

Manipulation of devices in /dev

Multi AV Scanner detection for submitted file

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/8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-08-22 08:04:29 UTC

AV detection:

13 of 37 (35.14%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qjepey77mskokz2alosdpwkdmyr3sdhpmzdxmd2taix5kzxa26nq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery linux upx

Link:

https://tria.ge/reports/250822-kba83sdr4v/

Behaviour

Reads runtime system information

Changes its process name

Deletes log files

Enumerates running processes

Deletes Audit logs

Deletes journal logs

Deletes system logs

Mirai

Mirai family

Malware Config

C2 Extraction:

mong666.duckdns.org

Verdict:

Malicious

Tags:

Unix.Dropper.Mirai-7135858-0

YARA:

n/a

Link:

https://app.threat.zone/submission/5dd9c9e5-fc64-4ced-b01e-c307fcd9871d

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

Threat name:

Legit

Score:

0.29

Link:

https://yomi.yoroi.company/submissions/8248f263ff6494e567405ba437d9436623b90cef6647760f53022fd566e0d79b

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)