MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912. 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 5 File information Comments

SHA256 hash:	840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912
SHA3-384 hash:	1b790571f1a4ba56b99b1455b3101d4915377a2c1c0c6506634d8b777f7d4bf89ae1f87bd92865f401f11824fb5a3d51
SHA1 hash:	667155b8b5f81b211ffec170e88f86c1dcdfa833
MD5 hash:	f463f69f6c375019af283bc28eb7c85a
humanhash:	robin-mountain-jig-tennessee
File name:	putita.arm7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	198'320 bytes
First seen:	2026-08-24 15:52:20 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	6144:sRlx8s/kMmKTUQ4g8O592I0zMp0No9MpM1J5km:2lF/kMTTUQ4g8O78UNMi15
TLSH	T117143A95F890DE52C6D5267AF96E518C331313B8D2DAB106CD244F38B7EB85E0F3A942
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 f7e1104b45cc7ee10120174be0218abc628e780b2c598d796cd4c50f647f6322

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) :	88'104 bytes
File size (de-compressed) :	198'320 bytes
Format:	linux/arm
Packed file:	f7e1104b45cc7ee10120174be0218abc628e780b2c598d796cd4c50f647f6322

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Mirai.10742.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Opens a port

Creating a file

Launching a process

Connection attempt

Sets a written file as executable

Runs as daemon

Creates or modifies symbolic links

Receives data from a server

Changes access rights for a written file

Sends data to a server

Creates or modifies files in /cron to set up autorun

Substitutes an application name

Writes files to system directory

Deleting of the original file

Creates or modifies files in /init.d to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Creates or modifies files to set up autorun

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

gcc masquerade mirai rust

Link:

https://www.filescan.io/uploads/6a8c68e880cc026afd2c02f9/reports/86acbc7c-2053-472c-a252-572bdeee2ad8/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/840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912

Behaviour

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-08-24T14:34:00Z UTC

Last seen:

2026-08-25T23:28:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/d3062904-c033-4917-9821-40a6fee7f290

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-24 15:53:22 UTC

File Type:

ELF32 Little (SO)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qqgwga6pstkn3djlzdkhdbjv56xoq67edi3lqj4pirqo7uhexeja._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion execution persistence privilege_escalation

Link:

https://tria.ge/reports/260824-tbp7nsal2s/

Behaviour

Changes its process name

Modifies Bash startup script

Modifies rc script

Modifies systemd

Creates/modifies Cron job

Creates/modifies environment variables

Modifies init.d

Deletes itself

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/840d6303cf94d4dd8d2bc8d4718535efaee87be41a36b8278f4460efd0e4b912

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:	elf_arm_mips_ko_so Create hunting rule

Rule name:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

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

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

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02