MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c. 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: 10

Intelligence 10 IOCs YARA 22 File information Comments

SHA256 hash:	caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c
SHA3-384 hash:	d9d54cb17dbd0df217e3f860b83bef918b654e80aac26bbcd626b2bf5f7b48a7ec81915486c1658dca9b072272908b85
SHA1 hash:	22b3f5db2854896dc5e1a41d24d8dff03ce54e79
MD5 hash:	876fd318fdc34f99f4287b3d86790d9f
humanhash:	coffee-eighteen-blossom-red
File name:	x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	5'890'210 bytes
First seen:	2026-06-27 17:59:45 UTC
Last seen:	2026-06-28 12:01:25 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:42pVfZ03PyySNwWl3neuLayncJgzFtNd4yUkG730Qh5sL/Aah0WZHa5Ek:Xle3qySNpay5Hd4yG7wIdWdwEk
TLSH	T1D5563811FACB04F6E6031E3104BBA27F67315D064B25DBD7EB407E29FA7BA911936209
telfhash	t17cd2beb3059da4ec67f0440786af7510cff6e03716e038b259f6b8c2a673d539a26978
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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Siggen.11883.UNOFFICIAL

SecuriteInfo.com.Linux.Siggen.13213.6370.9227.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Collects information on the RAM

Creating a file

Sends data to a server

Connection attempt

Receives data from a server

Sets a written file as executable

Collects information on the network activity

Writes files to system directory

Deletes a system binary file

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

base64 golang obfuscated

Link:

https://www.filescan.io/uploads/6a400fcce84debbb1b8e171d/reports/2f5d068e-774e-46b5-b3c6-ea30cae1ac79/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/caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-06-26T17:13:00Z UTC

Last seen:

2026-06-28T12:58:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/13e3e677-95a3-4877-98b6-a579280e2fb4

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/daea3217-ea95-4654-baa1-31e957436de8

Result

Threat name:

Mirai

Detection:

malicious

Classification:

spre.troj

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1934514

Signature

Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions

Multi AV Scanner detection for submitted file

Sample tries to persist itself using /etc/profile

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c/

Threat name:

Linux.Trojan.Multiverze

Status:

Malicious

First seen:

2026-06-26 22:05:43 UTC

File Type:

ELF32 Little (Exe)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zkuubd67sjzljiwaebqsdd3yzfqsiyen2i3jjt6btkyhi7wbuq6a._file

Result

Malware family:

n/a

Score:

6/10

Tags:

defense_evasion discovery linux persistence privilege_escalation

Link:

https://tria.ge/reports/260627-wlp1rscs2w/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Modifies Bash startup script

Creates/modifies environment variables

Write file to user bin folder

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

Threat name:

Suspicious File

Score:

0.56

Link:

https://yomi.yoroi.company/submissions/caa9408fdf9272b4a2c02061218f78c96124608dd23694cfc19ab0747ec1a43c

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

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:	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:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

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/