MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba. 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 22 File information Comments

SHA256 hash:	a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba
SHA3-384 hash:	e8f0193a11af3207e1127ad264ce2a4ffb797a0a1317be578d67eab0c24e4d4374cf8fdbfde8e494ab9c29e6909287f0
SHA1 hash:	d5f59cbcc3937c4a43aaeb975eb48cdb89c907b0
MD5 hash:	26ab8774a53298e8cff9f506852f0e21
humanhash:	georgia-papa-network-skylark
File name:	mmb2
Download:	download sample
Signature	Mirai Create hunting rule
File size:	143'832 bytes
First seen:	2024-11-19 17:00:57 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:mTUTfCdO6FFtobh68wKhc/t/ekNaogMewcgsK027u+Olw:mTUTfCdO6FFtobywwQdjw
TLSH	T13EE34A07B4C184FDC4DAC1B44B9FF53AED32B0AD1238B16B27D4AE222E59E205F1DA54
telfhash	t1785132b438253994b2fbba3ab30af991ac71095419e131d1dd73b8e2de167c40e72832
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 :

100

Origin country :

Vendor Threat Intelligence

Detection(s):

Verdict:

Clean

Score:

84.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=673cc5b45107a56eacc81afelinux22vpnfull_triage

Tags:

malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Connection attempt

Runs as daemon

Substitutes an application name

Deletes a system binary file

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

anti-debug bash lolbin remote

Link:

https://www.filescan.io/uploads/673cc45173d2ce344bca9540/reports/dd3cda4b-b344-4577-95d0-4f811a3ece6c/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba

Behaviour

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Malware family:

Mirai

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c6198d55-9c1e-4a3f-9b1c-7b9cd7e6717b

Result

Threat name:

Mirai, Gafgyt, Okiru

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1558700

Signature

Antivirus / Scanner detection for submitted sample

Detected Mirai

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts 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/a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2024-11-19 17:01:05 UTC

File Type:

ELF64 Little (Exe)

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vbvkseld2fwppl6d2aunh3wpzxlzt4apequvu73rr5yuasjsys5a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai discovery linux

Link:

https://tria.ge/reports/241119-vjjkjayka1/

Behaviour

Reads runtime system information

Changes its process name

Enumerates running processes

Malware Config

C2 Extraction:

103.77.172.24

Verdict:

Malicious

Tags:

trojan gafgyt mirai 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_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/c161604f-05a0-4012-8833-7c5cd506f009

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/a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba

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_Generic_Threat_3bcc1630 Create hunting rule
Author:	Elastic Security

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_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 a86aa91163d16cf7afc3d028d3eecfcdd799f00f24295a7f718f71404932c4ba

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3295614/

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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