MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf. 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 6 File information Comments

SHA256 hash:	278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf
SHA3-384 hash:	0256b7295ab51492f0d47cb37e9739dcbb42a2684df5603a497a1fc6c21e817abc107a460ce0e7de4713faf19180728d
SHA1 hash:	a48af5f385a227e9d20555ab9b8b090c267673ed
MD5 hash:	fef926869ea5db058d75e20d0804cc27
humanhash:	tennessee-march-beer-river
File name:	mipsel
Download:	download sample
Signature	Mirai Create hunting rule
File size:	92'232 bytes
First seen:	2026-10-30 02:52:59 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:3qCwbzGALrPbObSdbkSv0di3XvCkFGcqv9Q1kJ7rCO8TIGrqbEQ254hi:6CwbzGEPbt5yWvkvv91oRpuq4hi
TLSH	T15E93024FEB9EF594C1986EF0F4F70230D645B24CE59BA2C413958462E98F74B5A0C3E9
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) :	92'232 bytes
File size (de-compressed) :	292'452 bytes
Format:	linux/mipsel
Unpacked file:	50467b69921dd34c67ddcbbdb529f81159844c6e80effe4b4ccb06725b14f26e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/eeb005e4-2a2f-4052-a080-27722a052371/

Detection(s):

SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bashlite exploit mirai packed upx

Link:

https://www.filescan.io/uploads/6ae40698642fe489e3f994f4/reports/8608443a-19e2-499e-8cbe-328f1f04b532/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-10-30T00:37:00Z UTC

Last seen:

2026-10-31T22:18:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/a70dabf8-1eb1-4f7c-a30a-c5545e52a666

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/dd06d145-ec31-4090-9b37-f1a315641ae0

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-10-30 02:53:23 UTC

File Type:

ELF32 Little (Exe)

AV detection:

9 of 23 (39.13%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6f5n2sktgfbe36fsebkgoos6kwyphpgzgnn3tcters2chgom67q._file

Result

Malware family:

n/a

Score:

8/10

Tags:

antivm bootkit credential_access defense_evasion discovery execution persistence privilege_escalation upx

Link:

https://tria.ge/reports/261030-ddewqav15l/

Behaviour

Command and Scripting Interpreter: Unix Shell

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Reads process memory

UPX packed file

Checks mountinfo of local process

Creates/modifies Cron job

Deletes log files

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Reads list of loaded kernel modules

File and Directory Permissions Modification

Deletes journal logs

Modifies the /etc/hosts DNS resolution file

Modifies initial root filesystem image

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/278bd6ea4a998a126fc59102a339d2f2ad879de6c99addcc532465a11cce67bf

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

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/