MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 858874057e3df990ccd7958a38936545938630410bde0c0c4b116f92733b1ddb. 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 3 File information Comments

SHA256 hash:	858874057e3df990ccd7958a38936545938630410bde0c0c4b116f92733b1ddb
SHA3-384 hash:	aa5b3c419df8574a3b275c138fe00f4f8a3b0cbbdb2e8de6fe19f4799606378dd501dcd2bf63efe260733267c8bc9070
SHA1 hash:	dc057522e04f37a6143cf6ce9b5d4a19aab8ef7a
MD5 hash:	3ba4d5e0cf0557f03ee5a97a2de56511
humanhash:	green-mobile-pluto-cold
File name:	x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	50'552 bytes
First seen:	2025-11-30 04:14:59 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:cwESezjYz+Fuxg7jPpPH20GLslTJN/Kn4nouy88:cw48x0PtcoPN/Knwout8
TLSH	T11933F123B7E4CC56E04071BD0DCB9C25DB65A60F66E0B0FC61DC15E3BA94A5D39881DB
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) :	50'552 bytes
File size (de-compressed) :	133'068 bytes
Format:	linux/i386
Unpacked file:	d2942d3b9b2e2dc98a34dc5a0d35c0ff7cb5ab419dfba7b1fca32fb6927732c4

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Trojan.Mirai-10028259-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

mirai packed upx

Link:

https://www.filescan.io/uploads/692bc4ddd0d5e7288b5105d1/reports/491e8561-ad83-451e-8537-9fe59a9734ae/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/858874057e3df990ccd7958a38936545938630410bde0c0c4b116f92733b1ddb

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/15f3b90d-2a32-4a99-8f30-9cbf4924d877

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b3421a63-6ccd-4ab1-a9f9-f78e29e56848

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1823002

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/858874057e3df990ccd7958a38936545938630410bde0c0c4b116f92733b1ddb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/858874057e3df990ccd7958a38936545938630410bde0c0c4b116f92733b1ddb/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2025-11-30 04:15:26 UTC

File Type:

ELF32 Little (Exe)

AV detection:

8 of 36 (22.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qwehibl6hx4zbtgxswfdre3fiwjymmcbbppaydclcfxze4z3dxnq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet discovery linux upx

Link:

https://tria.ge/reports/251130-evesqaew7b/

Behaviour

Reads runtime system information

Mirai

Mirai family

Malware Config

C2 Extraction:

127.0.0.1

Verdict:

Malicious

Tags:

Unix.Trojan.Mirai-10028259-0

YARA:

n/a

Link:

https://app.threat.zone/submission/1ffd0f03-6f0b-4513-8ff3-700763baef05

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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