MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b82bb591d3efc63d075e77749dc0aa28a2e43c0b079f4dc5b3b058faf38609b6. 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: 6

Intelligence 6 IOCs YARA 18 File information Comments

SHA256 hash:	b82bb591d3efc63d075e77749dc0aa28a2e43c0b079f4dc5b3b058faf38609b6
SHA3-384 hash:	32188fdca31599a789d76887b52561e57f944b7c0c42d39f201f8ec02611cf96c4d6c16c3b42bb5e4cfc182aae0e778c
SHA1 hash:	b6e121e6f077e2d07e95171b25cbdf58e6fe36b0
MD5 hash:	b47a4524619cebf3a5cce2927e35abcc
humanhash:	kentucky-maryland-idaho-johnny
File name:	SecuriteInfo.com.ELF.Mirai-AGE.76883659
Download:	download sample
Signature	Mirai Create hunting rule
File size:	6'553'815 bytes
First seen:	2026-06-06 01:20:57 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:nbMnHF8+oT9gjWAovnZEJSfkGq4vV2D7lj93MWr805E0:aGnWJS1MOg8GE0
TLSH	T1D366E819ACC42BA6C06C4B7554EEC96622B05D044AF14B3626A4FFEDBC762787F07C9C
gimphash	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 4dd75dd1d0ed6c9e8dd659dbc46b5a16e473147c47fd7a7a0a15fd1cf76c62b1

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) :	1'618'084 bytes
File size (de-compressed) :	6'553'815 bytes
Format:	linux/mipsel
Packed file:	4dd75dd1d0ed6c9e8dd659dbc46b5a16e473147c47fd7a7a0a15fd1cf76c62b1

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Siggen.12932.12292.25534.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Changes access rights for a written file

Creating a file

Deletes a file

Runs as daemon

Sets a written file as executable

Deleting a recently created file

Launching a process

Changes the time when the file was created, accessed, or modified

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

crypto golang reconnaissance

Link:

https://www.filescan.io/uploads/6a23761746e44aecc0d22796/reports/f7f2e3b1-4e79-43aa-85c9-8c58e6e7cc8c/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/2ea0af00-232b-4453-a084-c8ae3ac92b2c

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/b46e8cb0-4b06-48e1-ad4b-ae26de9013b1

Result

Threat name:

n/a

Detection:

clean

Classification:

n/a

Score:

1 / 100

Link:

https://www.joesandbox.com/analysis/1923922

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b82bb591d3efc63d075e77749dc0aa28a2e43c0b079f4dc5b3b058faf38609b6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b82bb591d3efc63d075e77749dc0aa28a2e43c0b079f4dc5b3b058faf38609b6/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-06-06 01:21:44 UTC

File Type:

ELF32 Little (Exe)

AV detection:

4 of 36 (11.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xav3leot57dd2b26o52j3qfkfcroipala6pu3rntwbmpv44gbg3a._file

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260606-bqwc5ahw9m/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Changes its process name

Creates/modifies Cron job

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

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/b82bb591d3efc63d075e77749dc0aa28a2e43c0b079f4dc5b3b058faf38609b6

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:	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:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

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

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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/