MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f. 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: 8

Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash:	4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f
SHA3-384 hash:	be87daadda3591d4e4b0d82c08c8d8f0a9ac0215341fcdb5deee490c181a23cba71b6a7e9bbdd0f4615e25dcf8bb9467
SHA1 hash:	ca30088e4349d1cb1409ce07e060e27b9744c381
MD5 hash:	cc143817f7295d4330d06134bc48e1da
humanhash:	may-echo-september-two
File name:	ohshit.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	2'940 bytes
First seen:	2025-09-02 05:23:27 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	48:v+777N7h+k6G+gMzP+UKW+CoU+7C7o7U+fl3b+L9R+mcg+XpV+MSO+I+C+1fT+9m:v+777N7h+k6G+gMzP+UKW+CoU+7C7o7c
TLSH	T1D4518D8553648C302D67EA23F7BE823C3481949358E6EFD5DDD8BBE4864ED28B241753
Magika	shell
Reporter	abuse_ch
Tags:	mirai sh

Shell script dropper

This file seems to be a shell script dropper, using wget, ftpget and/or curl. More information about the corresponding payload URLs are shown below.

URL	Malware sample (SHA256 hash)	Signature	Tags
http://103.20.103.50/hiddenbin/boatnet.x86	da38ad469677604c77ca82641ce50f418e46a11c0ca570856ed628c7a0b230f1	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.mips	c7f8b5e763ed242c3ffe1cd066eb5622f86f88050ef40bcf09c8b43797ea7a09	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.arc	1c05a53b0cb6045eac2fa2a0121fd298b6745c336724a3cef53820fdb560fa2d	Mirai	elf geofenced mirai opendir ua-wget USA
http://103.20.103.50/hiddenbin/boatnet.i468	n/a	n/a	elf ua-wget
http://103.20.103.50/hiddenbin/boatnet.i686	n/a	n/a	elf ua-wget
http://103.20.103.50/hiddenbin/boatnet.x86_64	n/a	n/a	elf ua-wget
http://103.20.103.50/hiddenbin/boatnet.mpsl	62541aede0bdcb6d63e6873c3db2d3c4213a6b8b6e63dc29733a0f2e53f69a51	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.arm	3f41f89fb9681b5307e3cd3d68b31e83b44f481078a20332c6b11627871d7342	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.arm5	e4e95b6d8be889e54ee6001061acf2b1126d9e001ef5efc8372774d4019e04ab	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.arm6	926f2da0175ee03a03ea32c97033bb494dd67864cc5415465800c29c4b861b83	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.arm7	ecf62fbfd4c7f6e46c780cc8cad441c4ff8ec39d06aeede10099709e00f3eba2	Mirai	elf geofenced mirai opendir ua-wget USA
http://103.20.103.50/hiddenbin/boatnet.ppc	f62d35f37677088bedf69023c4892fc23e63670124aee2313d2480e41f514c63	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.spc	227460105e5544846530d22b61fb898977db7d83a0efed52c4ce9f1acf048325	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.m68k	49d39258bb4e50ace01d91378a884eb331313623a17188bcbf2e21bd9d76c56e	Mirai	elf mirai ua-wget
http://103.20.103.50/hiddenbin/boatnet.sh4	9dff954538c9d2d5eed615c3ca8893590c5e0924a70aa071d4fb602d13b6f09f	Mirai	elf geofenced mirai opendir ua-wget USA

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL

Verdict:

Malicious

File Type:

unix shell

First seen:

2025-09-02T02:39:00Z UTC

Last seen:

2025-09-02T02:39:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen HEUR:Trojan-Downloader.Shell.Agent.a

Link:

https://opentip.kaspersky.com/4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/1a9a46fa-71a2-43e1-a48d-450784735e68

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f

Threat name:

Linux.Downloader.Medusa

Status:

Malicious

First seen:

2025-09-02 05:24:22 UTC

File Type:

Text (Shell)

AV detection:

24 of 37 (64.86%)

Threat level:

3/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j5lwkwsndruzqy74gmfrmsotcl6datpv7q73tt3r52qexzdygm7q._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:lzrd antivm botnet defense_evasion discovery linux upx

Link:

https://tria.ge/reports/250902-f37zxawr12/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Checks CPU configuration

UPX packed file

Enumerates running processes

Writes file to system bin folder

File and Directory Permissions Modification

Executes dropped EXE

Modifies Watchdog functionality

Mirai

Mirai family

Malware family:

Mirai

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4f57655a4d1c/report/overview.html

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

Threat name:

Legit

Score:

0.16

Link:

https://yomi.yoroi.company/submissions/4f57655a4d1c699863fc330b1649d312fc304df5fc3fb9cf71eea04be478333f

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.