MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9. 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 22 File information Comments

SHA256 hash:	a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9
SHA3-384 hash:	2a1859800ce501b15e02ebe8f3be2aba4864b5683c18dc939c6862095ddeb89d6fa4eb1b4b5bc9c48162aa1398f97729
SHA1 hash:	7f0d9ac61543e3d63dab670a10c8bc3c1350d581
MD5 hash:	c47627f36bbb5f82613b643a5ded92d3
humanhash:	hamper-west-hot-rugby
File name:	kworkerd.bin
Download:	download sample
Signature	Mirai Create hunting rule
File size:	7'676'424 bytes
First seen:	2026-10-22 06:57:44 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	98304:14b9rVBUqYU6KambPXuAz4Kx93uXVel7uHX6eABVd4Ic+5zcz5/:1ysUKoRRP7UABhc66B
TLSH	T10D765C4BF5A358FDC09AC470875FC663AD31B85442317D7B2684AA342EB6E305B6EF21
telfhash	t1ad0250700ef934b8a2e7c9157313f178997718b662e436b4a9636c91efd5e820c5282b
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	Noche
Tags:	mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Creating a file in the %temp% directory

Launching a process

Sets a written file as executable

Receives data from a server

Manages services

Deleting a recently created file

Changes the time when the file was created, accessed, or modified

Changes access rights for a written file

Collects information on the network activity

Connection attempt

Collects information on the CPU

Opens a port

Sends data to a server

Runs as daemon

Writes files to system directory

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Deleting of the original file

Gathering data

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/a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Adware

File Type:

elf.64.le

First seen:

2026-10-21T18:37:00Z UTC

Last seen:

2026-10-21T19:18:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/3e0ea8ca-79e9-4a16-8299-3b5221b678f2

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/0b3d41fb-a2e0-433f-930b-36c0abb202e7

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9/

Threat name:

Linux.Trojan.Generic

Status:

Suspicious

First seen:

2026-10-22 01:42:19 UTC

File Type:

ELF64 Little (Exe)

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uq3stt7gcij4vumhwt7jxhx6cxeoinqb4xxx6me3bsrt7qw5kd4q._file

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:xmrig antivm defense_evasion discovery exection execution linux miner persistence privilege_escalation

Link:

https://tria.ge/reports/261022-jcj2yahg68/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Reads CPU attributes

Reads system network configuration

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies systemd

Reads MAC address of network interface

Deletes itself

Modifies Watchdog functionality

Modifies the dynamic linker configuration file

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

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/a43729cfe61213cad187b4fe9b9efe15c8e43601e5ef7f309b0ca33fc2dd50f9

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:	ach_202503_elf_Mirai Create hunting rule
Author:	abuse.ch
Description:	Detects Mirai 'TSource' ELF files

Rule name:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

Rule name:	Linux_Trojan_Pornoasset_927f314f Create hunting rule
Author:	Elastic Security

Rule name:	LIN_Malware_Unknown_ForgeAuto_0daebbb8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (elf, etat binaire)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	miner_lin_xmrig_strings Create hunting rule
Author:	Sekoia.io
Description:	Detects XMRig ELF

Rule name:	MIRAI_OHSHIT_payload Create hunting rule
Author:	AfterPacket
Description:	MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:	https://github.com/Afterpacket/drosera-threat-intel

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

Rule name:	XMRIG_Monero_Miner Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Monero mining software
Reference:	https://github.com/xmrig/xmrig/releases

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

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