MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98. 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 4 File information Comments

SHA256 hash:	728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98
SHA3-384 hash:	ac0f0544f93939fb30353c9c0380283fd8972b78f305d9cf48e2dbbe0ec69f767125fad7ab700673be0739b2f85dcee6
SHA1 hash:	8efa225a023025c9f9adbf73e3c283ddbca60735
MD5 hash:	1b5435e1079b7a60c3f93a1fa73e88f7
humanhash:	white-saturn-tango-sixteen
File name:	parm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	785'120 bytes
First seen:	2025-07-19 11:25:24 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	12288:Ugjx5Sv9BztpKe1U49yEy0L4hz4hsGV6MVt1/tVRfQiiAR5AScUGWg1mJzk0DClv:UgjxAv3zvU+Z4ihvnhLVQ1wASbfulG6B
TLSH	T184F4335DE799DD9715F3DB42A84FC1441AB2BCD8B05702CCAD00DAF612E8E8D25BDA23
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) :	785'120 bytes
File size (de-compressed) :	3'245'500 bytes
Format:	linux/arm
Unpacked file:	d424d1f299ff4fc698ffb4c1b1797e3ab987e918b26e4c32e0dc260e8fb3c04f

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Trojan.Gafgyt-7641309-0

Result

Verdict:

Clean

Maliciousness:

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/687b80ad8a7d628a81b789ac/reports/00d2e2a4-fde3-47c7-ba1b-ce7ef8a1bdb2/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/a38d65a8-04e5-45b3-8a6e-0185dee8c254

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/5b2ff021-c6a4-4a4f-b8e5-cb4868025de8

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1740029

Signature

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98/

Verdict:

Malicious

Threat:

Linux.Backdoor.Mirai

Link:

https://tip.neiki.dev/file/728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2025-07-19 11:25:34 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=okehrmwtewmkvoo6f4nfq77mlfeib4tl7byi5dtif5tvhbbir2ma._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:mirai botnet defense_evasion discovery upx

Link:

https://tria.ge/reports/250719-njh6fabn91/

Behaviour

Reads runtime system information

Changes its process name

Deletes itself

Modifies Watchdog functionality

Mirai

Mirai family

Verdict:

Malicious

Tags:

Unix.Trojan.Gafgyt-7641309-0

YARA:

n/a

Link:

https://app.threat.zone/submission/3a125fa1-b446-46fc-8253-1dd3f5128a10

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

Threat name:

Suspicious File

Score:

0.64

Link:

https://yomi.yoroi.company/submissions/728878b2d32598aab9de2f1a587fec594880f26bf8708e8e682f675384288e98

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)