MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3. 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:	40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3
SHA3-384 hash:	0d0497ebc49651c9a1e8c7590d4e27279f4bebf3fa31ff0788c4dd16c05e7d5c89d51c8943cf99be2f7125d87cd3f853
SHA1 hash:	f8848000016d528990b9dcae4e8a76a1d485ccf7
MD5 hash:	d55762340087dcbe4afa5a948c55ad4e
humanhash:	thirteen-skylark-iowa-west
File name:	sdfjgnjsdf.i486
Download:	download sample
Signature	Mirai Create hunting rule
File size:	112'364 bytes
First seen:	2026-08-11 14:54:43 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:9g2LAQXoAJC6C3IxBNZ6KSI/o6YroYDGAlVaY4CUGzGqUb31H4zGC8ngr:eQ4AJC6CyBNZ3SI/oDrFDTHaYs/54X
TLSH	T1F2B35B83E707D1F4CA5244B04067F73A9E31EA225235DA5FEB90FEF3A962603941A35C
telfhash	t1e231247aaee109ccabd0c816e18e5321dd6df17b391035f91bf5271437b2a40527ac39
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 637f603f6750b1f51d4bed64ab6cb1cc369cdbb0c0caed371f4169d7816ad667

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) :	51'228 bytes
File size (de-compressed) :	112'364 bytes
Format:	linux/i386
Packed file:	637f603f6750b1f51d4bed64ab6cb1cc369cdbb0c0caed371f4169d7816ad667

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Mirai

Details

Link:

https://research.acce.ciphertechsolutions.com/results/c13e4351-5d8e-4d23-9a14-45d115bac4df/

Detection(s):

Unix.Dropper.Mirai-7136013-0

Unix.Trojan.Mirai-8025795-0

Unix.Trojan.Mirai-9858729-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Runs as daemon

Connection attempt

Sends data to a server

Receives data from a server

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

masquerade rust

Link:

https://www.filescan.io/uploads/6a7b37e75e0901162c3b8740/reports/99a0e54c-c950-4e05-85e7-3e364dba5dc9/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-11T12:49:00Z UTC

Last seen:

2026-08-11T13:24:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/cd15f34f-45c4-45cf-8809-6871647c088e

Behavior Graph:

Download SVG

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d3976cb9-3d12-415b-9138-0e86d765ee9e

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-11 14:55:38 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 36 (44.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=icvb22asifkene5jmrl2jn45jxjnm6iw6niazir5f2lr4eoni7zq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion linux

Link:

https://tria.ge/reports/260811-sar47sssgy/

Behaviour

Writes file to system bin folder

Modifies Watchdog functionality

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

Threat name:

Legit

Score:

0.09

Link:

https://yomi.yoroi.company/submissions/40aa1d681241544693a96457a4b79d4dd2d67916f3500ca23d2e971e11cd47f3

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_Mirai_3a56423b Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_6e8e9257 Create hunting rule
Author:	Elastic Security

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/