MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1. 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: 7

Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash:	b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1
SHA3-384 hash:	a0b32f9b056b1243aac725f452b8a99f438c6c3f67640aaf0e577dc72b8a058801a83aeea3f4f15effcf0a8d0c89fa56
SHA1 hash:	3263d9d1c4565c2e742a019cf98555bd32262bd4
MD5 hash:	2fe0e3c5ec6afef3fd5f766eed16a7fe
humanhash:	alaska-crazy-lamp-emma
File name:	u.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	430 bytes
First seen:	2026-02-08 19:35:17 UTC
Last seen:	Never
File type:	sh
MIME type:	text/plain
ssdeep	6:aSWJjG4b5SWJtYdWab9QNJvaa0LKiHb5SWXIvb5SWKWbBvb5SWgTnbGCn:dWJkW4dW9NFf0LKxW4IWXBIW46Cn
TLSH	T122E0E5CB60D67166CEA8EE84682686087004D7C430F3CFBCE44D1836E8E7919F116FB9
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://158.94.210.68/arm	e478194e705ddb9c71827a6e96a6033cd725f9d3290abdc42f8129ec7eb7dab1	Mirai	elf mirai ua-wget
http://158.94.210.68/arm5	26a8ffffa35bdf8e1026097d452d0306bbc89178d154946baded5f24cde859be	Mirai	elf mirai ua-wget
http://158.94.210.68/mips	1fb32d9130b8d5c7919259e77f454ec6fecc2d3569a569672460c71ec166412e	Mirai	elf gafgyt mirai ua-wget
http://158.94.210.68/mipsel	567fa40676b9708ff104a36d4c03af79fcd359b1ae24bcf2a92530e9ef13d849	Mirai	elf gafgyt mirai ua-wget
http://158.94.210.68/x86_64	e1070a1fc2fb87915180f0aae2b9632579758e15cc333e79500d9bf289bc645b	Mirai	elf gafgyt mirai ua-wget
http://1158.94.210.68/arm7	n/a	n/a	elf ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Downloader-32.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

busybox mirai

Link:

https://www.filescan.io/uploads/6988e57d930564ff3c92b05f/reports/7d415587-6674-4111-af9b-10c80000866c/overview

Verdict:

Malicious

File Type:

text

First seen:

2026-02-08T16:47:00Z UTC

Last seen:

2026-02-08T16:55:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Downloader.Shell.Agent.a

Link:

https://opentip.kaspersky.com/b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/aab6fe6f-81ef-472e-8cb4-165646525a88

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1/

Verdict:

Malicious

Threat:

Trojan-Downloader.Shell.Agent

Link:

https://tip.neiki.dev/file/b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1

Threat name:

Document-HTML.Worm.Mirai

Status:

Malicious

First seen:

2026-02-08 19:35:35 UTC

File Type:

Text (Shell)

AV detection:

10 of 36 (27.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wj4ixggt24xpac2s7bcyiivoygde73eyhpunvqrg4ai2edlptcyq._file

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/260208-yavszsht8c/

Behaviour

Modifies registry class

Suspicious use of SetWindowsHookEx

Enumerates physical storage devices

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/b2788b98d3d72ef00b52f8458422aec1864fec983be8dac226e011a20d6f98b1

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