MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c. 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: 9

Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash:	b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c
SHA3-384 hash:	d750f547ae9ff97cb2ab5102b1cf2bf9c6fba3a4106cc5ee4c85c5f12e54575335a2bb235caaf819e55a3d3ea85f3bd4
SHA1 hash:	93b761d9f4fefdc73b60b93a4cd17de9a1b22955
MD5 hash:	e3c65725c1873198b8f28d10550c217a
humanhash:	burger-magnesium-quebec-helium
File name:	bins.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	2'057 bytes
First seen:	2025-12-24 09:15:34 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	48:2F4isFWsFJsFNsFwsFisF4sFUsFXsF5sFa:2Pscs3sHs+sMsmsOsts7sw
TLSH	T16041149668A335F03869582A326EE8463681A45FC7C93E1848D93EB744CCF48748CE62
TrID	70.0% (.SH) Linux/UNIX shell script (7000/1) 30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika	shell
Reporter	abuse_ch
Tags:	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://86.54.42.154/bins/mirai.x86	dc94f266fe7387aef08a4d9b57d63aa4a8ad966646818716f032f278f102bc32	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.mips	a1c74cd30f3733c3b36abe14c53e75e4212c3f9d4fff11f00cbf7d320c4507ef	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.mpsl	bf3b3e8235a980a6f281b9998ed4c89d9f1b94cf693a0fb63de5f07f49923a3f	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.arm	c2194e29e2e4ee5869ec2b95332ee8cd2b7e48f4a12f7974d8f045fbbb59456d	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.arm5n	e63c0d54851287cebfa405aaa19bb30556dcddfe2d9cd57411cc9e68f56b9686	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.arm7	33fbc6676a39b3cd030b9db288dcbadd5222016f555fe41716b929aac0f4255b	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.gnueabihf	7926e9763ad01a4497aebb4c1765669c9ad56201d317729cc77637c681acf1cb	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.ppc	9793fcf57e3e5270d0b9259ed41382064443a841ef071cc33d36259830ff023d	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.spc	7c37791c89bc3893f98c7a84c3f58b54911c92bfed0baf8e3bd1a0ed7f11bc91	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.m68k	64ffcdc890d51f3ab424e49dbfae3f7fd3f3ef477e6349592df135e45c3ea2ac	Mirai	elf mirai ua-wget
http://86.54.42.154/bins/mirai.sh4	e06d523f3e6e9cc93b50ca47f0723c1f2fc36e4e70a27cb863a050ff8f0daeba	Mirai	elf mirai ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive medusa mirai

Link:

https://www.filescan.io/uploads/694baf5ee126b9ff438fab43/reports/6997de89-38ad-4528-a158-c039cfcab8ca/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2025-12-24T06:32:00Z UTC

Last seen:

2025-12-24T07:19:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/3c28236e-1cbc-468d-9628-efa1bb213136

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c

Threat name:

Linux.Downloader.Medusa

Status:

Malicious

First seen:

2025-12-24 09:16:17 UTC

File Type:

Text (Shell)

AV detection:

18 of 36 (50.00%)

Threat level:

3/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xc2jq4aklhvecdwqbbqqylv5vdl5x7odhs4hy7zumt7uu3wef46a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai botnet:mirai botnet defense_evasion discovery linux persistence

Link:

https://tria.ge/reports/251224-k78jfsvmhw/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Reads system network configuration

Enumerates active TCP sockets

Enumerates running processes

Modifies init.d

Modifies rc script

Write file to user bin folder

Writes file to system bin folder

File and Directory Permissions Modification

Deletes itself

Executes dropped EXE

Modifies Watchdog functionality

Contacts a large (2360) amount of remote hosts

Creates a large amount of network flows

Mirai

Mirai family

Malware Config

C2 Extraction:

86.54.42.154

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

Threat name:

Malicious File

Score:

0.95

Link:

https://yomi.yoroi.company/submissions/b8b498700a59ea410ed008610c2ebda8d7dbfdc33cb87c7f3464ff4a6ec42f3c

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:	MAL_Linux_IoT_MultiArch_BotnetLoader_Generic Create hunting rule
Author:	Anish Bogati
Description:	Technique-based detection of IoT/Linux botnet loader shell scripts downloading binaries from numeric IPs, chmodding, and executing multi-architecture payloads
Reference:	MalwareBazaar sample lilin.sh