MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5. 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: 11

Intelligence 11 IOCs YARA 19 File information Comments

SHA256 hash:	85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5
SHA3-384 hash:	7d18bfacbae7393f49a0bebec1b18e07533d09213f6959fa266fa411321e5c1a9e9e1129c817b1f690a8e67695d9b96c
SHA1 hash:	33d21887e074a31f9501571f70cc0c6e6e053817
MD5 hash:	52b43dfa8f6ec7ec94a1a9b5370998ab
humanhash:	spring-helium-blue-speaker
File name:	cundi.x86_64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	139'576 bytes
First seen:	2024-05-16 00:01:03 UTC
Last seen:	2024-05-16 00:02:20 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:DX+wXNsuOXWYmqnQxk11TosPipRlOaogXk72IElN7Ccy3w4ymPd:DX+wXNsuOXWYmC9Puk7ur4ymPd
TLSH	T107D33B1BB4C180FDC4DAC5B44F9AF53ADD32B1A81238B16B27D4AB225E8DE315F1DA50
telfhash	t19851acb139913984a2fbeb76730be595dc350e6005e171e2edb7acf2de013410da64a3
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter	elfdigest
Tags:	mirai

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sends data to a server

DNS request

Receives data from a server

Connection attempt

Runs as daemon

Substitutes an application name

Deletes a system binary file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug bash lolbin remote

Link:

https://www.filescan.io/uploads/66454cfb81ea6b1eef41e137/reports/fe0b5edd-b834-4e01-bf04-b5552035f204/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

174.138.28.28:8080

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

type:Moobot 174.138.28.28:42597

UDP botnet C2(s):

not identified

Result

Verdict:

MALICIOUS

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/58222bb3-32bd-4171-80d1-326c9e3b0be3

Result

Threat name:

Mirai, Gafgyt, Okiru

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1442347

Signature

Antivirus / Scanner detection for submitted sample

Connects to many ports of the same IP (likely port scanning)

Detected Mirai

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Snort IDS alert for network traffic

Yara detected Gafgyt

Yara detected Mirai

Yara detected Okiru

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5/

Threat name:

Linux.Trojan.Mirai

Status:

Malicious

First seen:

2024-05-16 00:02:04 UTC

File Type:

ELF64 Little (Exe)

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qxogf5zos42jgs3wt3rgdtl7zynsts442agoorwiw7rgmi5hnpcq._file

Result

Malware family:

n/a

Score:

6/10

Tags:

linux

Link:

https://tria.ge/reports/240516-abftfsbc34/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

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

Threat name:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5

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:	Linux_Gafgyt_May_2024 Create hunting rule
Author:	NDA0E
Description:	Detects Gafgyt

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_Mirai_01e4a728 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_1e0c5ce0 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Mirai_520deeb8 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:	Mal_LNX_Mirai_Botnet_ELF Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect Mirai botnet, and there variants.

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 85dc62f72e9734934b769ee261cd7fce1b29cb9cd00ce746c8b7e26623a76bc5

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2851314/

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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