MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865. 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 2 File information Comments

SHA256 hash:	c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865
SHA3-384 hash:	b6f7e776296874b09091e59818614071197c8847e2a4fb8b84522ba732313e4dcc7650bc2f1d426e403a087406bc2f8a
SHA1 hash:	61e87651eb01d7f6ab74a482eb072998dc8c840d
MD5 hash:	dd6b1a3c918c640a20e35d8bb00117c8
humanhash:	football-mexico-chicken-carpet
File name:	iran.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	47'784 bytes
First seen:	2026-02-15 00:55:28 UTC
Last seen:	2026-02-15 22:13:41 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:IptfxMz03QL34mE15tZaSpgZMr/bQ3+D3ziO9Eq+H8JPoA4p:8fezvbxE15t51jNKuEq88JAD
TLSH	T1CB23F1E3275FD0B7D07A68361F3D1140E86AF462A31C2F0BC984253D5C652E59EC2BA5
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) :	47'784 bytes
File size (de-compressed) :	123'464 bytes
Format:	linux/amd64
Unpacked file:	f4ca7411da937c952c93f08d0d61c7bf6aa9234692803426a9802ee1dac1c8a7

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f937a620-b721-4452-93fa-4be7949e3d00/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Runs as daemon

Receives data from a server

Sends data to a server

Substitutes an application name

Deleting of the original file

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/699119b6552d46acbff334af/reports/5f0a62db-8ab9-47d6-98a9-608ae15411ea/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

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/c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

Link:

https://opentip.kaspersky.com/c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/7fe68d26-399e-4b98-b22f-5ce5f538a135

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/aae127a9-3a94-4ce6-9ec2-963aa048ee1d

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1869570

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample deletes itself

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-02-15 01:10:38 UTC

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ykf3bbkmnln4v34jhbqdht7ywjrcpmzim47k6drunjfrzvgclbsq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery linux upx

Link:

https://tria.ge/reports/260215-bah3vsfx3e/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Deletes itself

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

Threat name:

Suspicious File

Score:

0.64

Link:

https://yomi.yoroi.company/submissions/c28bb0854c6adbcaef89386033cff8b26227b328673eaf0e346a4b1cd4c25865

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:	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