MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640e6ad1c159f02c2e940290113a3d48cf78f33e930217802f13eaa3b62cc384. 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 4 File information Comments

SHA256 hash:	640e6ad1c159f02c2e940290113a3d48cf78f33e930217802f13eaa3b62cc384
SHA3-384 hash:	18b166e4b3e850fef3f49536d73298b6994bb570134a12f7d530921a1b26c03d05f27258bdacc2b530781e92d16aa9e6
SHA1 hash:	515b259c0fccb8e6b8a8d2dbd0856d395c8ef2c8
MD5 hash:	ac48c33ef3bc1113b9136f28376f0f7d
humanhash:	muppet-lamp-london-oscar
File name:	sdfjgnjsdf.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	54'956 bytes
First seen:	2026-08-11 10:56:58 UTC
Last seen:	2026-08-11 14:12:13 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:RE70VPgz/c3E6Vh0t1ZJEnUOA1znouy8GyM:m70WzyE6Vh0trXOOLouto
TLSH	T15633F16BC9F18741ED2C193D59BE750C5902C08D5850D5B89FA0ACB3AD14FA6BF3E722
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	BlinkzSec
Tags:	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) :	54'956 bytes
File size (de-compressed) :	133'064 bytes
Format:	linux/i386
Unpacked file:	7f75807a539e98b59db8217a8ad2a1616ca4cca1f734cea61b27e70aa62354f7

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/4fa94770-3d88-4bc6-8112-c31e40f1903e/

Detection(s):

Unix.Dropper.Mirai-7135858-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Runs as daemon

Receives data from a server

Sends data to a server

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade packed upx

Link:

https://www.filescan.io/uploads/6a7b0093038a654c5ca99f98/reports/95a9a3e8-7818-4c02-9ccf-4a9bc74823bd/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-11T08:10:00Z UTC

Last seen:

2026-08-12T23:29:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/640e6ad1c159f02c2e940290113a3d48cf78f33e930217802f13eaa3b62cc384/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/29eb42a4-236a-48cf-aaaa-fe4729180c1b

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/6aa6825b-ff02-477c-ab30-e570a15f31cb

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/640e6ad1c159f02c2e940290113a3d48cf78f33e930217802f13eaa3b62cc384

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/640e6ad1c159f02c2e940290113a3d48cf78f33e930217802f13eaa3b62cc384/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-11 10:53:07 UTC

File Type:

ELF32 Little (Exe)

AV detection:

20 of 38 (52.63%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mqhgvuoblhycyluuakibcor5jdhxr4z6smbbpabpcpvkhnrmyoca._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:lzrd botnet defense_evasion linux upx

Link:

https://tria.ge/reports/260811-m2mqxaxyct/

Behaviour

Writes file to system bin folder

Modifies Watchdog functionality

Family: Mirai

Malware Config

C2 Extraction:

176.65.139.236

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

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_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

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/