MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f. 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: 12

Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash:	2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f
SHA3-384 hash:	01953e678ed969e7eb594741c5e867f9e75315fb9b086f2333ed5721140e1da48e5c05c326f681fd5f380c26c348bd9f
SHA1 hash:	693225c2b100081058701f6467bfb9b261d61c94
MD5 hash:	e04fbc05bbe06d477992514738a188e9
humanhash:	tennessee-music-river-fourteen
File name:	unix.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	146'120 bytes
First seen:	2025-01-05 14:12:02 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:xtxS0FsNDQOrRbKMY1eC0YUMOXal7YyjaU3rDwEcxN20aB9x:xtxS0FsNDQkRbKfzJkyfQNHaB9
TLSH	T1B1E36D17B4C184FDC4DAC2744BAAB53BDD32F1A91238B15B27D4AB221E9EE305F1DA05
telfhash	t1e251cbb52e5a38d4f2fffb26730ae9646c790a6014e175d0a8b37cd6ce523800cb14a3
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 :

113

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=677a946affdcee13ec83011clinux22vpnfull_triage

Tags:

gafgyt mirai

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Runs as daemon

Creating a file

Substitutes an application name

Deleting of the original file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug lolbin remote

Link:

https://www.filescan.io/uploads/677a937ad49c308f95dbcbbf/reports/6c6ba094-9c3a-4cd7-b8bc-ed5288ecbab9/overview

Result

Verdict:

MALICIOUS

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ac1e191a-74d8-4a8e-a1c0-af24a8cded35

Result

Threat name:

Mirai

Detection:

malicious

Classification:

troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/1584451

Signature

Antivirus / Scanner detection for submitted sample

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample deletes itself

Uses dynamic DNS services

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f/

Threat name:

Linux.Trojan.Mirai

Status:

Malicious

First seen:

2025-01-05 14:13:07 UTC

File Type:

ELF64 Little (Exe)

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e2a4ihgu54oigcfhg4dotuswmxky5gykhpbenta2mr5n3ahpwrhq._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai linux

Link:

https://tria.ge/reports/250105-rjd39swnfy/

Behaviour

Writes file to tmp directory

Changes its process name

Deletes itself

Malware Config

C2 Extraction:

unixbot.ddns.net

Verdict:

Malicious

Tags:

trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0

YARA:

Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/14746fcd-0d5b-4f2a-81fe-491dde58d2b0

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

Threat name:

Legit

Score:

0.20

Link:

https://yomi.yoroi.company/submissions/2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f

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:	botnet_Yakuza Create hunting rule
Author:	NDA0E
Description:	Yakuza botnet

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

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

Rule name:	Linux_Trojan_Gafgyt_0cd591cd Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_33b4111a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_620087b9 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_807911a2 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9e9530a7 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_a33a8363 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d0c57a2e Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d4227dbf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_d996d335 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_ea92cca8 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_1e0c5ce0 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_6a77af0f Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_e0cf29e2 Create hunting rule
Author:	Elastic Security

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 2681c41cd4ef1c8308a73706e9d25665d58e9b0a3bc246cc1a647add80efb44f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3390195/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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