MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f. 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: 7

Intelligence 7 IOCs YARA 15 File information Comments

SHA256 hash:	972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f
SHA3-384 hash:	4f6678d49f25d62fe52967b84b5f9b9ff7f57ff263689a08bea266efa9edcf902263329047f70fdba508612657d4350a
SHA1 hash:	d2a6f9acec929add7317061912e2ebae54788965
MD5 hash:	3ea465aa75678d8c4af0726b3d20c55d
humanhash:	emma-august-enemy-papa
File name:	x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	367'304 bytes
First seen:	2026-09-23 05:09:27 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:cdxoKSR9FJKZj5JtwnZyEFkWRECt7Hqkf9O9Ua9rO:oxdtwZy4kwECJHz9O9Ua9rO
TLSH	T11F74094892F2E2FDE198DA305316BC1BAD3275363077724E729EE97313B665046EDB20
telfhash	t1a461453018d67454b283c6017347d27ada3a1ce181ed76f85b53acf0eef5ac24da3826
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 639d949ec198c0f4c81bb34335d0c0c8806c85dd2a0e559c3f3eb50f9f4dc08c

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) :	126'140 bytes
File size (de-compressed) :	367'304 bytes
Format:	linux/amd64
Packed file:	639d949ec198c0f4c81bb34335d0c0c8806c85dd2a0e559c3f3eb50f9f4dc08c

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL

Sanesecurity.Malware.32144.LX.BOT.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Creating a file in the %temp% subdirectories

Sets a written file as executable

Creates or modifies symbolic links

Creating a file in the %temp% directory

Receives data from a server

Manages services

Collects information on the CPU

Creates directories

DNS request

Kills processes

Changes access rights for a written file

Creating a file

Opens a port

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

Launching a process

Runs as daemon

Sends data to a server

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Writes files to system directory

Traces processes

Creates or modifies files to set up autorun

Creates or modifies files in /init.d to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

base64 expand lolbin

Link:

https://www.filescan.io/uploads/6ab35f4cfee738fa14bfad6e/reports/3399c7fa-5f1d-41d3-8fb5-edd038819a42/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-09-23T03:22:00Z UTC

Last seen:

2026-09-23T05:02:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/f625335c-2fb7-42b2-a0a2-bc775750bcbf

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/8df4e4ca-7733-4a8f-959b-a739238dc970

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f/

Threat name:

Linux.Exploit.DirtyFrag

Status:

Malicious

First seen:

2026-09-23 05:09:41 UTC

File Type:

ELF64 Little (Exe)

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=s4vx76sgyuvk5r66jiqj6n4dkuk4bco3r7uetfvx7wxe6mnrz5hq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260923-ftw62sxgmf/

Behaviour

Reads runtime system information

Writes file to shm directory

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Creates a desktop entry file

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Modifies init.d

Modifies rc script

Modifies systemd

Write file to user bin folder

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

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/972b7ffa46c52aaec7de4a209f37835515c089db8fe84996b7fdae4f31b1cf4f

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:	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:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	ELF_Packer_Dropper_Fileless_Armhf Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.

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

Rule name:	EXPL_HKTL_LNX_DirtyFragShellcode_May26 Create hunting rule
Author:	Pezier Pierre-Henri (Nextron Systems)
Description:	Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:	https://github.com/V4bel/dirtyfrag/tree/master

Rule name:	EXPL_LNX_DirtyFrag_ForensicArtefacts_May26 Create hunting rule
Author:	Florian Roth
Description:	Detects DirtyFrag exploit code POC usage in Linux environments
Reference:	https://github.com/V4bel/dirtyfrag/tree/master

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

Rule name:	linux_generic_irc_catcher Create hunting rule
Author:	@_lubiedo
Description:	Find new ELF IRC samples

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:	NSVPS_Hydra_SSH_Bruteforce Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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

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/