MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4. 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 2 File information Comments

SHA256 hash:	8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4
SHA3-384 hash:	5e7c27375d79c37ae323ea42ca33a7eaf41cbe6fcc9b627705d45e7f04aeee796e15414edc7f3fa6fb294251d32cc0f7
SHA1 hash:	40fb36e43ffa70d1796f171175d19003481d7585
MD5 hash:	089f45ae334e45c7b09ff4df1782e1cb
humanhash:	bulldog-golf-fish-video
File name:	nwfaiehg4ewijfgriehgirehaughrarg.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	39'332 bytes
First seen:	2025-11-05 05:12:34 UTC
Last seen:	2025-11-07 16:53:50 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:NWEpd2cR0FVepN18qzdmtRPwZVpFgWlNrFKfFXFNZYwM61u5J7cMcOA+tMkw9tyN:NXjnGMN18EUtKFvlNrFKf3Ybb7cMcOlv
TLSH	T15503E01BEDFCCB94F9AE553CA05BBA0F1516D04198B4C18C3A89B479785276FF22D213
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika	unknown
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:	e9fe814f39493e6ce3bc783bfc9ff900a8caea2cf80c62fe5075e0fdaffbeb03

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Dropper.Mirai-7135858-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Runs as daemon

Receives data from a server

Changes access rights for a written file

Sends data to a server

Removes directories

DNS request

Changes access rights for a file

Deleting a recently created file

Connection attempt

Substitutes an application name

Gathering data

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/8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-11-04T17:10:00Z UTC

Last seen:

2025-11-05T21:49:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/ba16833f-c87d-478f-a084-025323bbe7ac

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/82268922-bdee-497f-a253-076cbdf28f2d

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1808297

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/8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-11-04 23:28:25 UTC

File Type:

ELF32 Little (Exe)

AV detection:

20 of 36 (55.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ru3qan36raph5ixgfgv4u7bca7kirc2tvrf6zskfxmdkniry332a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery linux upx

Link:

https://tria.ge/reports/251105-fykzksgl7y/

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:

jhfhfdkhdfdk32.duckdns.org

Verdict:

Malicious

Tags:

Unix.Dropper.Mirai-7135858-0

YARA:

n/a

Link:

https://app.threat.zone/submission/a8ff4bbd-9fb1-4ba6-b61a-409c617566db

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

Threat name:

Malicious File

Score:

0.74

Link:

https://yomi.yoroi.company/submissions/8d3700377e881e7ea2e629abca7c2207d4888b53ac4becc945bb06a6a238def4

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:	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