MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 855477132b0e716426db7b8aa1ee0a9663f721d5f38efcd08bf55252a3691673. 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: 11

Intelligence 11 IOCs YARA 14 File information Comments

SHA256 hash:	855477132b0e716426db7b8aa1ee0a9663f721d5f38efcd08bf55252a3691673
SHA3-384 hash:	2f7e50f976e412d1c86a5e8572f8078f2fada32df968d60bb4adf75ee0e0cc79633c09c11cef78f38be4b5df2981e85b
SHA1 hash:	52f103908acd7df79ee1898d5d78864669598791
MD5 hash:	bc0fb7a77a1f160295a2e048a7c4af69
humanhash:	maryland-three-delaware-speaker
File name:	cosmic.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	67'360 bytes
First seen:	2026-01-25 01:26:26 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:GZ9CBJ9BdpojMJ2yFRPMMCajVLzhCi20hZ0j25s0zLmju:pf9BdpAMJ2yFREMj/CiRb0y9Lmju
TLSH	T157633947A64550FCC198D17843BB7636C863B47D137EB2A63BC8BF1B294AE605F2D40A
telfhash	t1331124e27a540c5065e77636a112f2a20d320f2018f2b6f1ee7358e2df033818eaa813
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 fb9192c081c86d098cde51ab9a29ce0e859ffc093c491281cbc223172b69c8bc

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) :	29'440 bytes
File size (de-compressed) :	67'360 bytes
Format:	linux/amd64
Packed file:	fb9192c081c86d098cde51ab9a29ce0e859ffc093c491281cbc223172b69c8bc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Mirai

an XOR decryption key and at least a c2 socket address

Link:

https://research.acce.ciphertechsolutions.com/results/5aa16cab-284d-4084-ba10-39d69ea6dde8/

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

exploit gafgyt mirai obfuscated

Link:

https://www.filescan.io/uploads/6975717a5db9ae477090dafd/reports/abd4b9dd-9539-4da8-ac1c-31970b1f84e6/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/855477132b0e716426db7b8aa1ee0a9663f721d5f38efcd08bf55252a3691673

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/4f87d65d-742e-41a1-8b0c-e108a1fdb177

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4a541b37-3a5b-4c84-9afc-f10f767342e9

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1857058

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/855477132b0e716426db7b8aa1ee0a9663f721d5f38efcd08bf55252a3691673

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/855477132b0e716426db7b8aa1ee0a9663f721d5f38efcd08bf55252a3691673/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-01-25 00:01:28 UTC

File Type:

ELF64 Little (Exe)

AV detection:

25 of 36 (69.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qvkhoezlbzywijw3pofkd3qkszr7oiov6ohpzuel6vjffi3jczzq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:sora linux

Link:

https://tria.ge/reports/260125-bvabfsb19f/

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

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

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_01e4a728 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_520deeb8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_6a77af0f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_e0cf29e2 Create hunting rule
Author:	Elastic Security

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research