MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30. 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: 8

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30
SHA3-384 hash:	b2f52af31f77ee8595f1058556d83882a405657d4b94a2a12f84c9a51339b7487f1ca4f36d41d6c03c5c0ba19a666e8a
SHA1 hash:	4f6d40cc3e73a58bd0f763e448cdc7e22da8ee0f
MD5 hash:	69044e33bcce1c14eacb48d9fdc9d940
humanhash:	zulu-mobile-leopard-fix
File name:	mbupload-egachuwi.bin
Download:	download sample
Signature	Mirai Create hunting rule
File size:	85'780 bytes
First seen:	2026-10-08 19:03:16 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:1ZnHgdttHUZCkoqSr5fMQ9HmBnpqSFQJf2fS0jW/uaZNWJICV8J:XnAOCTr5k0HmBMydfBW55CV0
TLSH	T18D83127D33C651E9E49E707A13AF0BE737B621F2518689372012A781EAC33D26CDB845
Magika	unknown
Reporter	wristhulk
Tags:	cowrie elf honeypot mirai UPX

wristhulk

Captured by a Cowrie honeypot at 2026-10-08 19:02:24 UTC, downloaded from http://217.60.103.135/mips by 217.60.103.135.

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) :	85'780 bytes
File size (de-compressed) :	209'436 bytes
Format:	linux/mips
Unpacked file:	bfaa15399100534281afb0c10b9af6498cd2a8108074fe9569a525c89360c5c7

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/5d16558d-12a6-4b70-9931-3f3ba70238c1/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sends data to a server

Changes the time when the file was created, accessed, or modified

Sets a written file as executable

Runs as daemon

Launching a process

Changes access rights for a written file

Creating a file

Creates directories

Mounts file systems

Connection attempt

Manages services

Substitutes an application name

Creates or modifies files in /cron to set up autorun

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

Deleting of the original file

Creates or modifies files to set up autorun

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

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6ac7e92ee63668293bac5f49/reports/48df693e-0ebe-43d0-9a9c-386e353d3a31/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

true

Architecture:

mips

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30

Behaviour

Anti-VM

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-07T18:47:00Z UTC

Last seen:

2026-10-09T18:28:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/898142e6-534c-4a1e-a455-0cbfcfe42edd

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/b55a6578-c6d4-4767-84b8-9db2d1592e24

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30/

Threat name:

Linux.Worm.Mirai

Status:

Suspicious

First seen:

2026-10-07 23:42:20 UTC

File Type:

ELF32 Big (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=d4ia4e5spht4cgbj2iwnmfmpbsujn3i2gr4tdtnnds5z7jkudqya._file

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/261008-xq149scx9w/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Changes its process name

Reads system network configuration

Modifies Bash startup script

Reads process memory

UPX packed file

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Modifies the /etc/hosts DNS resolution 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/1f100e13b279e7c11829d22cd6158f0ca896ed1a347931cdad1cbb9fa5541c30

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