MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a. 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: 8

Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash:	efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a
SHA3-384 hash:	c926da2b9f9c7cd102b327c2cbb0e4994d9e87d4593785df4291b382cd6bd29c23846e5050b8f25bf21ba7f308f2206e
SHA1 hash:	558a73d9004a14061b972182f27f5a6081c85261
MD5 hash:	72f5e4a6c6f068ce980b78df8d92031e
humanhash:	robert-fruit-two-sink
File name:	arm
Download:	download sample
Signature	Mirai Create hunting rule
File size:	186'204 bytes
First seen:	2026-09-02 18:09:30 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	3072:u581F0/xBtLduC2RlL6yIV7qWwbyOhwd5g8VI1zSeRXOAH4DSkNymAgiXRGM5i70:88HtL6yIxLwbyOhS5g8exxRXOAH4DSk2
TLSH	T176042995F880DF66D6D1267AFA9D018C33131778D3DAB102DD20AF3537EB95E0A3A942
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc

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) :	100'996 bytes
File size (de-compressed) :	186'204 bytes
Format:	linux/arm
Packed file:	f3f4cdd0e555489d531a3bc837e0cb26e20db5cdbeabc4e8dcdcfffb32f4fefc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Dropper.Mirai-7135897-0

Unix.Dropper.Mirai-7135918-0

Unix.Dropper.Mirai-7135954-0

Unix.Dropper.Mirai-7136028-0

Unix.Trojan.Mirai-8025795-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

Opens a port

Connection attempt

Manages services

Runs as daemon

DNS request

Changes access rights for a written file

Creating a file

Substitutes an application name

Creates or modifies files in /cron to set up autorun

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

Performs a bruteforce attack in the network

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 expand gcc lolbin rust

Link:

https://www.filescan.io/uploads/6a9866a45a09394de410abda/reports/0d3353e3-fd3d-4568-b2db-d270b33fe776/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2026-09-02T16:26:00Z UTC

Last seen:

2026-09-04T00:40:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/6303f91e-c214-4fd8-a4a7-f875b4d7d2a5

Behavior Graph:

Download SVG

Gathering data

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-09-02 18:07:06 UTC

File Type:

ELF32 Little (SO)

AV detection:

13 of 23 (56.52%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=57jnwv57et5wwzpnogzvfhwgcgcduvhooe7dze7acz434q22wvna._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery execution persistence privilege_escalation

Link:

https://tria.ge/reports/260902-wr9x5avxhz/

Behaviour

Reads runtime system information

Changes its process name

Reads system network configuration

Creates/modifies Cron job

Enumerates active TCP sockets

Enumerates running processes

Modifies rc script

Modifies systemd

Write file to user bin folder

Modifies Watchdog functionality

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/efd2db57bf24fb6b65ed71b3529ec611843a54ee713e3c93e01679be435ab55a

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

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	test_rule_vldslv Create hunting rule

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