MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841. 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:	cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841
SHA3-384 hash:	6e8fc1c879c36c99e62cf6bd3af55aed90cb7c4a800dd02ae8dc0f71dabeec987dd4aaf9f11dc90987c1e7ef3edb2d4d
SHA1 hash:	9ee2f167b3f59b70988398e60c437f493b5f42c2
MD5 hash:	110819b7cc54d1802284536f7c66695b
humanhash:	island-muppet-oscar-aspen
File name:	cat.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	1'925 bytes
First seen:	2026-02-01 19:04:45 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	24:nDdCfDizXdSOJOf8drQDxdHz+adce8JdtFW4dLrcdthHpt/tddLzLKdJBbHzd4eu:nDdTIxLa7JZjNcnhrMBTLGV2Zi
TLSH	T1BF4199DE70414B722B8D8FC1F3F29049F8809DA196F62E64BDD804A68ED7600778CA74
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:	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://130.12.180.20:36695/x86_64	b6db8bb39c7305a6a0a1024ab9b51e7d7b4c016455865504909644b4381ede78	Mirai	elf geofenced mirai ua-wget USA x86
http://130.12.180.20:36695/tvt/x86	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/m68k	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/mips	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/mpsl	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/ppc	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/spc	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/sh4	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/arm4	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/arm5	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/arm6	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/arm7	n/a	n/a	elf ua-wget
http://130.12.180.20:36695/tvt/aarch64	n/a	n/a	elf ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Gathering data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive mirai

Link:

https://www.filescan.io/uploads/697fa3ea981ff1d38a43c77a/reports/a1c44ea2-47e0-4489-a466-df1cc64a0750/overview

Result

Gathering data

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-02-01T11:28:00Z UTC

Last seen:

2026-02-01T11:37:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/ae069b43-b742-4c5d-ab11-704d648303c1

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841/

Verdict:

Malicious

Threat:

Trojan-Downloader.Shell.Agent

Link:

https://tip.neiki.dev/file/cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841

Threat name:

Win32.Trojan.Vigorf

Status:

Malicious

First seen:

2026-02-01 16:19:12 UTC

File Type:

Text (Shell)

AV detection:

8 of 38 (21.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z35jhswdwc5mghtiq7bpktdxndh6czcxxqm4pv2jfog3mb4ltbaq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

linux

Link:

https://tria.ge/reports/260201-xrj75sdw5h/

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/cefa93cac3b0bac31e6887c2f54c7768cfe16457bc19c7d7492b8db6078b9841

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