MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b. 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: 9

Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash:	05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b
SHA3-384 hash:	18ba36c2ee81ee1ff0882e21d711ca4cea13a551f13910b6cc0a5e139ba786312853e663fa117b6cc39da28b43311739
SHA1 hash:	90a5ad1e2f3814ec265133536fbfd5f25392b3a6
MD5 hash:	6ace80240dbf87eb683938db93d61611
humanhash:	berlin-oven-nebraska-fish
File name:	flutter.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	194'832 bytes
First seen:	2026-09-02 18:09:49 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:nRFH/7RJHXgPC+Lww4afFgiZhnZeiIczQTldy7dSX4WFUe09t9xvvDTEHVg0:7jHQa6wzjiZhnEcMREdsFh09t9i
TLSH	T19D143903A5D294FEC19AC97087AFD537E931749802317A3F6B98AF312E25E71272E351
telfhash	t1ce51997419967428b1b7c2167717e7affe72081052dc75a86b27b9d0be80f880cabc17
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-dec

abuse_ch

UPX decompressed file, sourced from SHA256 7244d8f48ecb496020d4de0192fc9377bd013572d1eecde227472b27e0629703

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) :	101'088 bytes
File size (de-compressed) :	194'832 bytes
Format:	linux/amd64
Packed file:	7244d8f48ecb496020d4de0192fc9377bd013572d1eecde227472b27e0629703

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

DNS request

Creating a file

Runs as daemon

Manages services

Kills processes

Opens a port

Connection attempt

Changes access rights for a written 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 expand gcc lolbin obfuscated

Link:

https://www.filescan.io/uploads/6a9866928d63d628fb2889ac/reports/a8ccbc9e-b417-4a2f-8e7f-a950d1d8a6ef/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-25T15:28:00Z UTC

Last seen:

2026-08-25T16:17:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/6ffea83e-f1d2-4b00-9e1f-f5efcc04a09c

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/e7c938a3-4558-4f0d-a698-53461309b733

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-25 20:40:59 UTC

File Type:

ELF64 Little (Exe)

AV detection:

15 of 36 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=axmkrp37h45kiosy7w7xe2gfkzgh7zz3zicslexsk4khoxkpzfnq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260902-wsajnacl41/

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

Malware family:

Mirai

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/05d8a8bf7f3f/report/overview.html

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

Threat name:

Legit

Score:

0.20

Link:

https://yomi.yoroi.company/submissions/05d8a8bf7f3f3aa43a58fdbf7268c5564c7fe73bca052592f25714775d4fc95b

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

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

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

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