MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00. 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 12 File information Comments

SHA256 hash:	8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00
SHA3-384 hash:	5c1b880604078af5ac6870ad44273f5470478db07af10e019d42b7e5f67bff4c8bcd7714ef684483397ac8c7f09297c5
SHA1 hash:	fbdfd5e3e6d628e14374010075912534ac7d80d4
MD5 hash:	0d1fd9883ec3a9000b9c845ce95633d3
humanhash:	kilo-golf-hamper-autumn
File name:	cron
Download:	download sample
Signature	Mirai Create hunting rule
File size:	138'735 bytes
First seen:	2025-07-11 23:10:20 UTC
Last seen:	2025-07-12 04:09:07 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:qFGVP4kHIqRrKgr/GXIuZiIaP2PZLnlPGp3wmpFEthq9aTemT:qFRk5rS0/P2PZJ63wmpFEthq9aTemT
TLSH	T166D3CB29F103C373D5930671228EEE662C306BD537DAB55AB3B43AB4A9B34473911E8C
telfhash	t1f0315611943546142fb39928acbd56b315221b2323586f716f25c5cc49260e1e93dd0f
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 gafgyt mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Verdict:

Clean

Score:

82.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68719a12900df8e7f86a0233linux22vpnfull_triage

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Kills processes

DNS request

Creating a file

Connection attempt

Launching a process

Substitutes an application name

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

gcc

Link:

https://www.filescan.io/uploads/68719a0b30bf733323379ac5/reports/9337c8f8-56e2-4c0e-b89f-b51d23a44a9f/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/dc2a4bdf-721f-4c3b-abf3-a5bdfb4e2fc1

Behavior Graph:

Download SVG

Malware family:

Gafgyt

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3c8e793d-c784-4a03-8637-6323956dac9d

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00/

Threat name:

Linux.Backdoor.Gafgyt

Status:

Malicious

First seen:

2025-07-11 23:11:05 UTC

File Type:

ELF32 Little (Exe)

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rralck3vxcreqdp5feylz7f7ingqfr75tnf5qjjp4llshh5cbiaa._file

Result

Malware family:

gafgyt

Score:

10/10

Tags:

family:gafgyt defense_evasion discovery linux

Link:

https://tria.ge/reports/250711-26blrsvm17/

Behaviour

Reads runtime system information

Writes file to tmp directory

Changes its process name

Reads CPU attributes

Reads system network configuration

Enumerates running processes

Reads system routing table

File and Directory Permissions Modification

Executes dropped EXE

Modifies Watchdog functionality

Verdict:

Malicious

Tags:

trojan gafgyt Unix.Trojan.Gafgyt-6981154-0

YARA:

Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be elf_bashlite_auto Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/6a222b13-b5b7-4645-a9d6-a40499e10ea3

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00

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_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	Linux_Gafgyt_Generic Create hunting rule
Author:	albertzsigovits
Description:	Generic Approach to Mirai/Gafgyt samples

Rule name:	Linux_Trojan_Gafgyt_1b2e2a3a Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_27de1106 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_28a2fe0c Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_6122acdf Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_83715433 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_9127f7be Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Gafgyt_f51c5ac3 Create hunting rule
Author:	Elastic Security

Rule name:	Mal_LNX_Gafgyt_Botnet_ELF Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect Gafgyt botnet, and there variants.

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

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 8c40b12b75b8a2480dfd2930bcfcbf434d02c7fd9b4bd8252fe2d7239fa20a00

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3576545/

Delivery method

Distributed via web download

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample