MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a. 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 8 File information Comments

SHA256 hash:	fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a
SHA3-384 hash:	808f5a6bf3ad444161d85bcc678f3addc4e5154e1457d6ab1d5433f9b796d89898878a907a0077fa37d9d368ec8c41f2
SHA1 hash:	3271c5576811e7def810e4667922df65079475e6
MD5 hash:	d85dacde51686d7a4fa5daa7df4474b2
humanhash:	nevada-failed-cat-pluto
File name:	sever1078.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	198'444 bytes
First seen:	2026-09-19 04:17:36 UTC
Last seen:	2026-09-19 18:34:31 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:uKYNIfdYSZSbE0vX1/pTM0Y74RsHSHXK3giQu6:uBI2rbrf1/pT6FHF3giq
TLSH	T13D141379D8767738FD4A0F7C94128A9983AF783E8E2169033EC4FCF09272595485683E
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) :	198'444 bytes
File size (de-compressed) :	473'400 bytes
Format:	linux/amd64
Unpacked file:	4a0e3a81f8f1134bbec6f139ca9d039a71ae49df1df3267e5d3135a1c813f0f8

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/9867958a-6cff-4e38-beb6-61bc74e7d5cd/

Detection(s):

SecuriteInfo.com.Linux.Mirai.9816.9306.4577.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Opens a port

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

Changes access rights for a written file

Kills processes

Launching a process

Connection attempt

DNS request

Sets a written file as executable

Runs as daemon

Manages services

Creating a file

Sends data to a server

Creating a process from a recently created file

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6aae0d026dfff01e55670f46/reports/226ab3d4-04c7-4abd-843c-c30504fc194a/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-09-19T02:20:00Z UTC

Last seen:

2026-09-19T03:36:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/6b0fdcba-e72f-4b70-8fda-61075d7cdf4f

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5011bc1d-dc70-48ff-810a-6580f0db9259

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-09-19 04:18:14 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=7rhblh4epbttsq6r2urwn5ocot4v7vw5wnqyxv23q4yvjzzpzifa._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation upx

Link:

https://tria.ge/reports/260919-ew13cawhkf/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

UPX packed file

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies systemd

Writes file to system bin folder

Executes dropped EXE

Modifies Watchdog functionality

Contacts a large (23369) amount of remote hosts

Creates a large amount of network flows

Family: Mirai

Malware Config

C2 Extraction:

bigbigvol.qd.je

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

Threat name:

Suspicious File

Score:

0.40

Link:

https://yomi.yoroi.company/submissions/fc4e159f8478673943d1d52366f5c274f95fd6ddb3618bd75b873154e72fca0a

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

Rule name:	ELF_IoT_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

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

Rule name:	Linux_Trojan_Ircbot_bb204b81 Create hunting rule
Author:	Elastic Security

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

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/