MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf8251428340b51e9bc5dfb2ca525ac328f2a46846d1db580e3712f280f97a07. 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: 10

Intelligence 10 IOCs YARA 14 File information Comments

SHA256 hash:	cf8251428340b51e9bc5dfb2ca525ac328f2a46846d1db580e3712f280f97a07
SHA3-384 hash:	fd50846221240c71e8e78086394de8af9658b5636867305256c83c80fbd9002725c42a26d06cd28927db32c96f865add
SHA1 hash:	f349918e1d4a557621d5aff836e01e44f95c1afb
MD5 hash:	3e6a41f5c1344ef580e7e7817dedecb8
humanhash:	early-delta-alanine-texas
File name:	sora.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	62'224 bytes
First seen:	2026-02-08 10:10:17 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:0UEMAWwPQk16qHTWKRmyaSkDu4eFOVbr:0UEMAWwr16qHTWKRmyaSmu4aObr
TLSH	T1605338C4E2C3E8FAEC10087D316AAF729E73F13EB135D99BD3D959639905A02E10625D
telfhash	t13a11c2fa5aba1cf4b7d0a850430e5d9609ae753f29203bb04672c81033bfd8290b8c3d
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 725e13862af947197344fcb7ab345488a74762b936e841237df7f433fcbc31d8

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) :	28'504 bytes
File size (de-compressed) :	62'224 bytes
Format:	linux/i386
Packed file:	725e13862af947197344fcb7ab345488a74762b936e841237df7f433fcbc31d8

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/4ce16694-b124-4a62-ab05-3857d62fce83/

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

masquerade

Link:

https://www.filescan.io/uploads/69886146981ff1d38a4d0479/reports/a6bbb99d-6bde-4e8b-aff2-5ce73cfa7c89/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/cf8251428340b51e9bc5dfb2ca525ac328f2a46846d1db580e3712f280f97a07

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Gathering data

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/c09addf1-fe1d-4b54-b723-8278d4cf7d4e

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/dce29ed6-b4b2-435e-a1ac-8c58cc8f471f

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1865506

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/cf8251428340b51e9bc5dfb2ca525ac328f2a46846d1db580e3712f280f97a07

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/cf8251428340b51e9bc5dfb2ca525ac328f2a46846d1db580e3712f280f97a07/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-02-08 10:11:24 UTC

File Type:

ELF32 Little (Exe)

AV detection:

25 of 36 (69.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z6bfcqudic2r5g6f36zmuus2ymupfjdii3i5wwaog4jpfahzpidq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:sora linux

Link:

https://tria.ge/reports/260208-l73hwahx2a/

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_Mirai_389ee3e9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_804f8e7c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_88de437f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_8aa7b5d3 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_93fc3657 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_99d78950 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_a68e498c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_ae9d0fa6 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_b14f4c5d Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_cc93863b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_fa3ad9d0 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