MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2812bf91c1836b0749615f8c92f49b055ed1152a0cfcb03cffb4473388ae1f9. 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 4 File information Comments

SHA256 hash:	a2812bf91c1836b0749615f8c92f49b055ed1152a0cfcb03cffb4473388ae1f9
SHA3-384 hash:	2c14ade9e0e03c6c770974fb1c00a74e417afc5288f806c929a6479b503a70fcc223d73c299fb15435f15354e46a12f9
SHA1 hash:	f741d76520f625ddb71c5cb68b0d29c9da6bc195
MD5 hash:	6ae4f401306df7b289cbe99923b8b28d
humanhash:	kitten-bacon-helium-oven
File name:	arm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	41'560 bytes
First seen:	2025-08-14 08:45:00 UTC
Last seen:	2025-08-28 00:55:40 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	768:1Lgk0rZbgaEu8p9Ay5l4lQBCEJrdXTYFFms3Uozuq:1L10rku8p9AyDlBlxd8zuq
TLSH	T13C13012E91999BF151308436F1A118971BA7CFFBE06DF06E0528516CA89D06323FFBC2
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) :	41'560 bytes
File size (de-compressed) :	91'992 bytes
Format:	linux/arm
Unpacked file:	54a7a9385c2b4ad70c88de9a4fa9a881534ffef1624eb7ae262b5cffcc56f0f5

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/689da297397fd3ce6fa8f331/reports/0d4a55e2-f30f-4e36-9657-7a39e9654ec9/overview

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/75beec12-39fa-405e-9b17-f490a2218114

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1756679

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/a2812bf91c1836b0749615f8c92f49b055ed1152a0cfcb03cffb4473388ae1f9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a2812bf91c1836b0749615f8c92f49b055ed1152a0cfcb03cffb4473388ae1f9/

Verdict:

Malicious

Threat:

HEUR:Backdoor.Linux.Mirai

Link:

https://tip.neiki.dev/file/a2812bf91c1836b0749615f8c92f49b055ed1152a0cfcb03cffb4473388ae1f9

Threat name:

Linux.Trojan.Svirtu

Status:

Malicious

First seen:

2025-08-14 08:47:14 UTC

File Type:

ELF32 Little (Exe)

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ukasx6i4da3la5ewcx4msl2jwbk62eksudh4wa6p7nchgoek4h4q._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/250814-kpylja1kt6/

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a2fd696c-ea64-422c-9afe-37687eca224d

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)