MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49. 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: 12

Intelligence 12 IOCs YARA 19 File information Comments 2

SHA256 hash:	b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49
SHA3-384 hash:	daf4d1093bee72a314b6746e393c280ef39f2cee4719f06427a3ac061f75773150cdb9c54177e3094f3352f7805e1a4d
SHA1 hash:	c9bb4fc8eadaad35e50de087e3bbd5969cb2df2f
MD5 hash:	e1b3e738928012a07dfce8659b3ff31d
humanhash:	avocado-coffee-wyoming-equal
File name:	y11
Download:	download sample
Signature	Mirai Create hunting rule
File size:	8'350'992 bytes
First seen:	2026-05-04 09:53:36 UTC
Last seen:	2026-10-18 09:55:20 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	98304:YSKSi/FM70AF/Auk3zX0H6aguAcFZqKjjMRPEkLqm7XyGkNA4xT0+x2gGYwZsVZ2:ssQLqmjsxymsONkEZqIzolQdo
TLSH	T17E865B47B6E318FDC19AC470472FD663BD70B8984221797B7698AA302F67E205B1DF21
telfhash	t16a22313189ed38b9a6e6c585f362f4b1aa7318f22af835f051267d81dfe1d410c27c1a
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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

PUA.Unix.Coinminer.XMRig-6683890-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Collects information on the RAM

Collects information on the CPU

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

coinminer gcc golang miner monero virus xmrig

Link:

https://www.filescan.io/uploads/69f86d87792fe2d217ab558a/reports/717a821b-0e1e-433d-b030-b9e4da710f20/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Adware

File Type:

elf.64.le

First seen:

2026-03-30T00:10:00Z UTC

Last seen:

2026-05-06T02:36:00Z UTC

Hits:

~100

Detections:

not-a-virus:HEUR:RiskTool.Linux.BitCoinMiner.n not-a-virus:HEUR:RiskTool.Linux.Miner.gen not-a-virus:HEUR:RiskTool.Linux.Miner.a

Link:

https://opentip.kaspersky.com/b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/ef0109e4-e6e8-4af1-958a-c9e76ca095f1

Behavior Graph:

Download SVG

Malware family:

XMRig Miner

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5a3c5e90-8b14-4e3a-90ce-d52ae7228869

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49

Threat name:

Linux.Coinminer.XMRig

Status:

Malicious

First seen:

2026-03-30 21:18:16 UTC

File Type:

ELF64 Little (Exe)

AV detection:

21 of 36 (58.33%)

Threat level:

4/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wihtt7aa2jboobvwymbwplmbdrtw4blvaufe5qxtaeclnfuujneq._file

Result

Malware family:

xmrig_linux

Score:

10/10

Tags:

family:xmrig family:xmrig_linux antivm discovery linux miner

Link:

https://tria.ge/reports/260504-lxjysafz9z/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Checks CPU configuration

Reads CPU attributes

Checks hardware identifiers (DMI)

Reads hardware information

Family: xmrig

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

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

Rule name:	Linux_Trojan_Pornoasset_927f314f Create hunting rule
Author:	Elastic Security

Rule name:	MacOS_Cryptominer_Xmrig_241780a1 Create hunting rule
Author:	Elastic Security

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

Rule name:	Multi_Cryptominer_Xmrig_f9516741 Create hunting rule
Author:	Elastic Security

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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/

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

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

Rule name:	XMRIG_Monero_Miner Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Monero mining software
Reference:	https://github.com/xmrig/xmrig/releases

Rule name:	xmrig_v1 Create hunting rule
Author:	RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3838384/

Delivery method

Distributed via web download

Comments

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John-NN commented on 2026-10-28 14:13:16 UTC

This is XMRig 6.26.0 (Monero CoinMiner), not Mirai. Observed 2026-10-26..28 deployed by the Plex2Shell campaign (CVE-2026-96656): dropped as /var/tmp/plexd and disguised as <Plex Media Server>/Cache/PlexMediaScanner, run with --config /var/tmp/plex_exp_proxy.json --cpu-max-threads-hint=14. Pools: 185.146.232.55:443 (TLS proxy), 130.94.112.197:10002, 130.94.112.118:10002, gulf.moneroocean.stream:10001. Wallets 874yo479WPRgjWLXNyTvxmjdz3iwgMP4dD85h4hGPaB1jNAgjQx3zSzXfeZJq1uykg3x2c3HSfXYBcVYzz8fFfhPT7j7y2i / 8AB1pyofQxnfjU7UXcVEbXWVbSeTM3jdmXxGgKTUMYJYXJEnZvfdE1VSaZZ85LeuHf7UX6HfDoouQdFK5mfstQ23P9aCSE5. Loaders: 046a9efb637f66be75f85a4748742520390382566e1c0a8b34f38ec166e39b5b, edab20185f73dd8aff3dace3e552d4cc07bb16583ef7b9cdec02d81d1d1e52fe, 5a006b1059104180198e2488c54d53f048ae79acc5e67762cb308c13257c7a94.

Andreas commented on 2026-10-18 09:56:21 UTC

Observed dropped by Plex codec-cache implant (CVE-2026-96656) on a compromised Plex server; rig-id plexdocker.