MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8. 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

Gafgyt

Vendor detections: 11

Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash:	43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8
SHA3-384 hash:	d740433cfed473f7f2dba448d999de856b413849f3da90f60caa691d3cee6f5202519462fa785485c23cf411d62b29e2
SHA1 hash:	065ad047c563af2e9b6cad8b2c2890a25365c468
MD5 hash:	980aeb2b58d42ff0a0e29e25bd2a1a86
humanhash:	nuts-steak-virginia-missouri
File name:	miron.x86_64
Download:	download sample
Signature	Gafgyt Create hunting rule
File size:	47'508 bytes
First seen:	2026-08-04 14:12:08 UTC
Last seen:	2026-08-05 10:24:40 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:VYlUviLIa7ezdBSe2cRWBsnCOwxeX/ZEYT6Rhx2h2KZiD0Con7mtvR9RiOsXJ+Ph:cyiZ7ezrSe5U2nC3UFT6Rhxi2MG0MvRJ
TLSH	T1B423F16CC7F47271D20EA17CBC5BAE464231220AC77AD927CCD1F6D913A78588D57C16
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 gafgyt 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) :	47'508 bytes
File size (de-compressed) :	122'776 bytes
Format:	linux/amd64
Unpacked file:	d61b9f23583e391d02890d2af353c890d3fb40dec6faba2aa14dfb6d1eb197d8

Intelligence

File Origin

# of uploads :

# of downloads :

142

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/aa2e5eaa-bf15-47be-89a9-050b8539d42d/

Detection(s):

SecuriteInfo.com.Linux.Siggen.14160.15733465.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Creating a file

Sends data to a server

Receives data from a server

Runs as daemon

Deleting a recently created file

Removes directories

Connection attempt

Substitutes an application name

Traces processes

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

bashlite mirai packed upx

Link:

https://www.filescan.io/uploads/6a71f34df8f2fd6f000256ee/reports/f768509a-a5e0-414a-a84c-5ae1c51e6506/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/43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8

Behaviour

Process Renaming

Anti-Debugging

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-04T10:47:00Z UTC

Last seen:

2026-08-04T11:34:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/2fc9f025-e4ce-4735-b4d7-130aa33c59b5

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4095d1ec-b502-4213-9684-2db0150c1e42

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1952048

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample deletes itself

Sample is packed with UPX

Uses dynamic DNS services

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8/

Threat name:

Linux.Worm.Mirai

Status:

Suspicious

First seen:

2026-08-04 14:12:35 UTC

File Type:

ELF64 Little (Exe)

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ipyywebg3jzqmdm26r4xguwie47mw3ghdwursa4yz7sehqi5dk4a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

linux upx

Link:

https://tria.ge/reports/260804-rh4brsca76/

Behaviour

Writes file to tmp directory

Changes its process name

Deletes itself

Traces itself

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/43f18b1026da73060d9af4797352c8273ecb6cc71da9190398cfe443c11d1ab8

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_Trojan_Ircbot_bb204b81 Create hunting rule
Author:	Elastic Security

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

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/