MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033. 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: 9

Intelligence 9 IOCs YARA 11 File information Comments

SHA256 hash:	ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033
SHA3-384 hash:	b18d9604d085aee268029d8c0651eabfc24397aa6e075772967a0ddea6e3ce527093d43b214eee9f66d8fef72f40bd95
SHA1 hash:	9f8b121429b984b441c260ccb000970b5bd4f365
MD5 hash:	339a08648208a49f0684bb47f33331e4
humanhash:	grey-enemy-johnny-hydrogen
File name:	x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	954'824 bytes
First seen:	2026-02-22 16:46:43 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	12288:k1aMnphCDhx0kyAIYJpv/tmhR3UDzfhmyJ0H/g8x5k6yOIgN4x:k1aMnphCDz0kyA9pv/tmh5Unn2YShIg
TLSH	T158158C46B2F374FDC057C03087ABDB62A931F46551222E7B21C4DA392E96E701B1AF76
telfhash	t18ff044b0072172125625cfdca8eeb727122d8a1b4749fe73e871806d61050edd637c4f
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 0c46a5d80d77f82b32299d00973094fb5c48ac4f2c408ca452c9837b1e01fed6

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) :	349'324 bytes
File size (de-compressed) :	954'824 bytes
Format:	linux/amd64
Packed file:	0c46a5d80d77f82b32299d00973094fb5c48ac4f2c408ca452c9837b1e01fed6

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sets a file as executable

Sends data to a server

Creates directories

Creating a file

Locks files

Runs as daemon

DNS request

Substitutes an application name

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?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

Link:

https://opentip.kaspersky.com/ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/a6b4d67e-54c2-4726-a660-9d2e4ce52191

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/714f09ae-6ec6-42fc-9854-4dcee1c51b34

Score:

78%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-02-22 16:47:20 UTC

File Type:

ELF64 Little (Exe)

AV detection:

15 of 23 (65.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vm4viiafwbfe544ectgxufyq5sneytoxdl6c73s2qbctlk2saazq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery linux

Link:

https://tria.ge/reports/260222-valcrshy4f/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Modifies Watchdog functionality

Malware family:

Mirai

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ab39542005b0/report/overview.html

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/ab39542005b04a4ef38414cd7a1710ec9a4c4dd71afc2fee5a804535ab520033

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:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

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

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	malwareelf55503 Create hunting rule

Rule name:	MAL_ARM_LNX_Mirai_Mar13_2022 Create hunting rule
Author:	Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:	Detects new ARM Mirai variant

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

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research