MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c. 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: 8

Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash:	20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c
SHA3-384 hash:	855efe4ae8f235bbbd4db63d3e77a03ba93aca4040b2f3659c7d54cb24dc7cec68d43318276b6e393fa9b9169e8bb2aa
SHA1 hash:	8d58af9737cf4ddbb736e24c6c4a009fb71d1794
MD5 hash:	f32bfdb5c98f92d79c984759ddbe124b
humanhash:	moon-october-michigan-princess
File name:	8e43add0886d834e856cdbda15be486bfbb368359d21cf8d3550bc854978878a.elf
Download:	download sample
Signature	Mirai Create hunting rule
File size:	287'352 bytes
First seen:	2026-08-24 01:53:17 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	6144:gM5XK4YODabLHG4kq79xu6h+l2rVXxEeJDh:r5XZXWzUR2rVbF
TLSH	T117545B5F7B10CF61E229C53149B38B5667E5266327E2C559E21CEE087E6038C682FFE4
telfhash	t1cc4100a04e3bda06db89caec86fdab2e790e91061259cf33ee30417d40510f9e259d4f
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 8e43add0886d834e856cdbda15be486bfbb368359d21cf8d3550bc854978878a

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) :	117'404 bytes
File size (de-compressed) :	287'352 bytes
Format:	linux/mips
Packed file:	8e43add0886d834e856cdbda15be486bfbb368359d21cf8d3550bc854978878a

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Dropper.Mirai-7135925-0

Unix.Trojan.Mirai-10058997-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Opens a port

Receives data from a server

Sends data to a server

Connection attempt

Runs as daemon

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

dropper gcc mirai

Link:

https://www.filescan.io/uploads/6a8ba4450fc7a717491aba3f/reports/b22a5dcd-5f5c-4f32-b9a6-da97b6331996/overview

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-08-24T00:07:00Z UTC

Last seen:

2026-08-25T23:53:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/d82cdc7b-bc8b-48ec-8b90-a95ea66a5da4

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-24 01:54:22 UTC

File Type:

ELF32 Big (SO)

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ec3yjhy3td7wh7e24mos3kficrpes2avxtk2ekhqcbqqmp2gefwa._file

Result

Malware family:

n/a

Score:

4/10

Tags:

n/a

Link:

https://tria.ge/reports/260824-cbmm4sck3s/

Behaviour

Changes its process name

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/20b7849f1b98ff63fc9ae31d2da8a8145e496815bcd5a228f01061063f46216c

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:	elf_arm_mips_ko_so Create hunting rule

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

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02