MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef44b2191f1b5f5bf684347c22ac6fef22cf45b7f7e517b6b5d18dd2b3a28960. 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 4 File information Comments 1

SHA256 hash:	ef44b2191f1b5f5bf684347c22ac6fef22cf45b7f7e517b6b5d18dd2b3a28960
SHA3-384 hash:	145e502fd12fa10c17018ea0216257b8a4dbd7356b084dc87f16b225a62c1c5a23bc950ed341d7e0f02605b07c1a137b
SHA1 hash:	3c3b37e3e6eb07895b38fd10efcdca7a53415580
MD5 hash:	81bc458979520c0efde1a40e0affefa7
humanhash:	ack-don-paris-seventeen
File name:	81bc458979520c0efde1a40e0affefa7
Download:	download sample
Signature	Mirai Create hunting rule
File size:	206'216 bytes
First seen:	2024-04-22 03:02:46 UTC
Last seen:	2024-04-24 16:29:05 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:3oBkkcnYMT5KKKnszeqeu2nOMQKNm3Goshzed3yJVPH:jkOMMiuqZQKNYshzed3yP
TLSH	T13914D81AEF610FFBD86BDD3702E8070125CC945722997B3A3578D928F54A54B4AE3CB8
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter	zbetcheckin
Tags:	32 elf mips mirai

Intelligence

File Origin

# of uploads :

# of downloads :

110

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Result

Verdict:

MALICIOUS

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/01150c9f-910c-4de8-8a1d-f3a161122427

Result

Threat name:

Mirai, Okiru

Detection:

malicious

Classification:

troj

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/1429401

Signature

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Yara detected Okiru

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/ef44b2191f1b5f5bf684347c22ac6fef22cf45b7f7e517b6b5d18dd2b3a28960

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/ef44b2191f1b5f5bf684347c22ac6fef22cf45b7f7e517b6b5d18dd2b3a28960/

Threat name:

Linux.Trojan.Mirai

Status:

Malicious

First seen:

2024-04-22 03:01:13 UTC

File Type:

ELF32 Little (Exe)

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=55clegi7dnpvx5uegr6cfldp54rm6rnx67srpnvv2gg5fm5crfqa._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/240422-dj3jzafa3w/

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

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

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

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c 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 ef44b2191f1b5f5bf684347c22ac6fef22cf45b7f7e517b6b5d18dd2b3a28960

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2821280/

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_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Comments

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zbet commented on 2024-04-22 03:02:47 UTC

url : hxxp://14.225.213.142/tajma.mpsl