MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments 1

SHA256 hash:	ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b
SHA3-384 hash:	32baee2b74024253ca99e4c491483bef184e6fa2f48c8cf6eb77e3d2adae4f3eabfb1f2091bba357574289961c8f53a5
SHA1 hash:	e2958823cdbac06cafaac9e009dbbf8068b24e2a
MD5 hash:	816c232d371dcb9bbe8431e3dea3dfdc
humanhash:	oranges-item-minnesota-spring
File name:	816c232d371dcb9bbe8431e3dea3dfdc
Download:	download sample
Signature	Mirai Create hunting rule
File size:	216'684 bytes
First seen:	2024-04-08 00:07:43 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:lO0SbYzM7KuN+qvFR5821DHwO3qmo0U2/QDincj:lO0SQM7jNb8GDHusKi
TLSH	T10E24D70AAF660FBBDC6FDD3702E90B0525CC951722A53B363674D528F54A94F0AE3C68
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 :

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

Removes directories

Runs as daemon

Kills processes

DNS request

Opens a port

Sends data to a server

Deleting a recently created file

Connection attempt

Substitutes an application name

Kills critical processes

Traces processes

Deleting of the original file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug php

Link:

https://www.filescan.io/uploads/66133566acb99fc8ffbb808f/reports/526a61dd-b43b-4183-a8c4-96617e0da86f/overview

Result

Verdict:

MALICIOUS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7713dcc2-23f7-4ed8-92ae-a66ab598dc85

Result

Threat name:

Gafgyt, Mirai

Detection:

malicious

Classification:

troj

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1421868

Signature

Antivirus / Scanner detection for submitted sample

Multi AV Scanner detection for submitted file

Yara detected Gafgyt

Yara detected Mirai

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b/

Threat name:

Linux.Trojan.Mirai

Status:

Malicious

First seen:

2024-04-08 00:08:06 UTC

File Type:

ELF32 Little (Exe)

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vrnm3ofegkhd3avlfs5xmefjdhkwiddjf5rrwcfk4bcl2xngue5q._file

Result

Malware family:

n/a

Score:

9/10

Tags:

discovery

Link:

https://tria.ge/reports/240408-aewn3saf61/

Behaviour

Reads runtime system information

Deletes log files

Enumerates running processes

Changes its process name

Deletes itself

Traces itself

Unexpected DNS network traffic destination

Contacts a large (24939) amount of remote hosts

Creates a large amount of network flows

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

Threat name:

Mirai

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b

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:	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 ac5acdb8a4328e3d82ab2cbb7610a919d5640c692f631b08aae044bd5da6a13b

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2798750/

URLhaus

https://urlhaus.abuse.ch/url/2804292/

URLhaus

https://urlhaus.abuse.ch/url/2803856/

URLhaus

https://urlhaus.abuse.ch/url/2803845/

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 2024-04-08 00:07:44 UTC

url : hxxp://79.110.62.86/mpsl