MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb. 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 6 File information Comments

SHA256 hash:	db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb
SHA3-384 hash:	c3eb47b3ea8674ffbc1bd7c7753573d6b90cd233bba463364603afeddb9f8dc333e8b3fbb9e9fb7406c0983685e6143a
SHA1 hash:	da0153c77793b96d710003141748ebd81ba4a9d2
MD5 hash:	fd51bd770b346bf902c6af8a0dcd01d6
humanhash:	single-echo-triple-floor
File name:	flutter.arm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	186'204 bytes
First seen:	2026-08-19 20:24:43 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	3072:m5OUFc/xBtLduC2RlL6yIV7BWwbTOhwd5g8VI1kqeRXOAH4DSkNymAgWXB985aV2:kOalL6yIxkwbTOhS5g8eaZRXOAH4DSkb
TLSH	T104042995F8809F66D6D1267AFA9D018C33131778D3DAB102DD20AF3537EB95E0A3E942
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 9bc7123d4912de9adba9f10d87b1bc1224f5059d730eb7489cb96f07e6a7d37f

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	101'028 bytes
File size (de-compressed) :	186'204 bytes
Format:	linux/arm
Packed file:	9bc7123d4912de9adba9f10d87b1bc1224f5059d730eb7489cb96f07e6a7d37f

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Dropper.Mirai-7135897-0

Unix.Dropper.Mirai-7135918-0

Unix.Dropper.Mirai-7135954-0

Unix.Dropper.Mirai-7136028-0

Unix.Trojan.Mirai-8025795-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Opens a port

Receives data from a server

Sends data to a server

Connection attempt

Manages services

Runs as daemon

DNS request

Changes access rights for a written file

Creating a file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

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

Performs a bruteforce attack in the network

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 dropper expand gcc lolbin masquerade mirai obfuscated rust

Link:

https://www.filescan.io/uploads/6a86113e092a502817326859/reports/425ca264-5cf0-4a13-93b9-42ca6780a698/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

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/db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb

Behaviour

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/14e0794d-824d-4cbc-8f05-75c765b69684

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/59da4787-9acf-4807-8c25-fc42286f889c

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-19 20:25:47 UTC

File Type:

ELF32 Little (SO)

AV detection:

12 of 23 (52.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3mhpg7ykq642xmnp7u5fmrhzboopuadctehyx6annxf5epcorhfq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260819-y7j3rahe36/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Write file to user bin folder

Modifies Watchdog functionality

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/db0ef37f0a87b9abb1affd3a5644f90b9cfa0062990f8bf80d6dcbd23c4e89cb

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_arm_mips_ko_so Create hunting rule

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	test_rule_vldslv Create hunting rule

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02