MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761. 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 5 File information Comments

SHA256 hash:	03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761
SHA3-384 hash:	93e9929638fe78e02194a8214122c800e60dc8b1c7aa09362abc179b4c6b4107f988d8067ba6f430f95c4ec35d515ca2
SHA1 hash:	f9cef09ac87fa36324beca0a587bc1d15448c2c8
MD5 hash:	b0854bb110f9e2ca3936efe106492ff8
humanhash:	fish-xray-ink-magnesium
File name:	mpsl
Download:	download sample
Signature	Mirai Create hunting rule
File size:	78'696 bytes
First seen:	2026-09-23 07:49:46 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:UtvdwX3/eYBKSUkWIPJOU4HxOdqot2sKmGDYy0Ni:Utvqn/vUqPJOU4ROdqNbJmi
TLSH	T1F07302DAB0B0DF0D95ED8E3F64E9130489917A64971987487BE4CE5CD2B5CD3A306226
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) :	78'696 bytes
File size (de-compressed) :	244'924 bytes
Format:	linux/mipsel
Unpacked file:	60a2b3e8fb2ecb5e1e97b5c6ecd2953b42706a2cc59c482094c133e4dc9c7a64

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/e9e56699-7a4d-4877-b0c2-acdd6b042f24/

Detection(s):

SecuriteInfo.com.Linux.Mirai.10757.8459.1637.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6ab384c5083b3874bc15e95f/reports/bfa7756d-4dee-452d-b4e7-4c92d38182ec/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-09-23T05:37:00Z UTC

Last seen:

2026-09-23T06:37:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/d143648f-5664-4e86-9bd7-e0a00a5641d5

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/43cd4e72-b748-40d0-9f19-cd58a97691c8

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-09-23 07:50:32 UTC

File Type:

ELF32 Little (Exe)

AV detection:

13 of 23 (56.52%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=aoid5lf5ij44dveyj3vcp67uhmrrj6s3jdg4fnfub6z2his7w5qq._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery upx

Link:

https://tria.ge/reports/260923-jpg34szdjc/

Behaviour

Reads runtime system information

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/03903eacbd4279c1d4984eea27fbf43b2314fa5b48cdc2b4b40fb3a3a25fb761

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/