MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88. 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: 7

Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash:	40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88
SHA3-384 hash:	18f6d8f3f1ed534f4f12a67f8acab36c2dfca7ee39f09003675bb58d0733baaeaa787038209161f01d299bc655f3d239
SHA1 hash:	fa9c030f8848d4b060f7f5ecea30cc10508be7b5
MD5 hash:	0cd2a2489598c53dc2958d5e481fbc3c
humanhash:	mike-avocado-solar-montana
File name:	mips
Download:	download sample
Signature	Mirai Create hunting rule
File size:	86'456 bytes
First seen:	2026-10-17 02:34:37 UTC
Last seen:	2026-10-18 00:58:39 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:A0osGSHJK+GJ6DSIQ7rgAKcBRvS/tbYNU5lv0POXmXqGVziUHVJuY:9FGSHJDGJKp0r6gRvAYNUlv0POCqGRVJ
TLSH	T1178312A481879F99D9F6F3F89C702701BD700B709A0BEADE7B1835D2546B07AA485FD0
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) :	86'456 bytes
File size (de-compressed) :	274'812 bytes
Format:	linux/mips
Unpacked file:	602ea10b62bc266484fe6c2de86c56c79747203e12fba6a824e66ba697d1be45

Intelligence

File Origin

# of uploads :

# of downloads :

116

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/1f8f0964-e51a-4593-ad13-b69a2a4fbdc5/

Detection(s):

SecuriteInfo.com.Linux.Mirai.10456.29741.14506.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Launching a process

Sets a written file as executable

Receives data from a server

Manages services

Sets a file as executable

Kills processes

Connection attempt

Collects information on the CPU

Collects information on the RAM

Locks files

Sends data to a server

Runs as daemon

Substitutes an application name

Writes files to system subdirectory

Creates or modifies files in /cron to set up autorun

Kills critical processes

Deleting of the original file

Creates or modifies files in /init.d to set up autorun

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6ad2deeb78dedf5fc0748106/reports/bb77dc21-0ff6-4b7a-a950-e0d4ac8643de/overview

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-17T00:31:00Z UTC

Last seen:

2026-10-18T17:52:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/32df3b67-6bb0-41c6-bcf5-365c50cc3aee

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/f1deb68c-ef4c-4bfc-b4ad-984f492a2504

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88/

Threat name:

Linux.Worm.Mirai

Status:

Suspicious

First seen:

2026-10-17 02:35:29 UTC

File Type:

ELF32 Big (Exe)

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=idfbzrijbc5ger5uuevcbqyptpc7cg3b5pkpurngdo7464s67oea._file

Result

Malware family:

n/a

Score:

9/10

Tags:

antivm defense_evasion discovery exection execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/261017-c265fagt4m/

Behaviour

Command and Scripting Interpreter: Unix Shell

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Reads system network configuration

UPX packed file

Creates/modifies Cron job

Deletes log files

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Deletes itself

Deletes system logs

Modifies the /etc/hosts DNS resolution file

Modifies the dynamic linker configuration file

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/40ca1cc50908ba6247b4a12a20c30f9bc5f11b61ebd4fa45a61bbfcf725efb88

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_IoT_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

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:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/