MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a. 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: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a
SHA3-384 hash:	10d287a9f50295c725d9ce349ea27fba7fee657dbc7bb9e30b9f0e8058e44099c41f0796f21870e57e24e38a32dc04fd
SHA1 hash:	e002945726858c6de930e86b65c6583ace0c4f58
MD5 hash:	261be6edc30a9ce49aa5203ae426907d
humanhash:	delaware-nitrogen-november-asparagus
File name:	cat.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	2'382 bytes
First seen:	2026-10-19 12:01:14 UTC
Last seen:	2026-10-21 21:50:39 UTC
File type:	sh
MIME type:	text/x-shellscript
ssdeep	12:L66PNC66tNHElf+2+m+W+z+2+s+W+NaE+i+gf9/AfL/axtiWdEq63dEA6TGv8B0i:2SP3ceuU
TLSH	T1BD41118E2B6D0359C9DAD676E1FAE9054F0CA754A5B32D70E009CFB270A5D24B63DA30
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://91.92.43.221/iranbot-ultimate.x86_64	n/a	n/a	ua-wget
http://91.92.43.221/iranbot-ultimate.aarch64	d04f48531b23798dcd0ce0951af57999a7b2fc375ff0e3175a48b3db221d1816	Mirai	cowrie honeypot mirai
http://91.92.43.221/iranbot-ultimate.mips	2ae65ee16977d3d76213551b84a3e6af09b93d0c76860a26a2b4cb1ec420c244	Mirai	cowrie honeypot mirai
http://91.92.43.221/iranbot-ultimate.mipsel	n/a	n/a	cowrie honeypot
http://91.92.43.221/iranbot-ultimate.x86_32	16c4c2947ed6644acaf5a09814fd314c480b32dae0182f18830b93a88ec49b45	Mirai	cowrie gafgyt honeypot mirai
http://91.92.43.221/iranbot-ultimate.armv4l	ac5df3d3adba4ceea7e6ad79cb728ea3a79edf202e296975ff0f5a282bd5c119	Mirai	cowrie honeypot mirai Ngioweb

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

busybox

Link:

https://www.filescan.io/uploads/6ad606a14038b32b595b1f6e/reports/d582a294-1e7c-4a7a-829d-b8a109437680/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-10-19T09:17:00Z UTC

Last seen:

2026-10-20T18:35:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/8eace09e-1a55-4ad2-88b7-ad393a37ec53

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a/

Threat name:

Script-BAT.Downloader.Heuristic

Status:

Malicious

First seen:

2026-10-19 12:01:41 UTC

File Type:

Text (Shell)

AV detection:

12 of 38 (31.58%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fer6utxgk6o3ghtpwtriyevts6c62joyuwmuu7ephxqzt54th6na._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm credential_access defense_evasion discovery linux

Link:

https://tria.ge/reports/261019-n659gsgy7m/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Reads process memory

Enumerates running processes

File and Directory Permissions Modification

Executes dropped EXE

Traces itself

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

Threat name:

Legit

Score:

0.11

Link:

https://yomi.yoroi.company/submissions/2923ea4ee6579db31e6fb4e28c12b39785ed25d8a5994a7c8f3de199f7933f9a

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