MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b33f6651443ac30e314256c0c211a536bcadeee5db73148c9d2abe36b39b34d0. 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 1 File information Comments

SHA256 hash: b33f6651443ac30e314256c0c211a536bcadeee5db73148c9d2abe36b39b34d0
SHA3-384 hash: d57a86cf9e2141b11ca0a04ba15dbd0017e3a082a48245bf8a332674d2b5a88a7b185ac4450a6fedd432f175dfe12b8d
SHA1 hash: c0862878494a0c8ea6186bbc4bb05e225cdb2b78
MD5 hash: 70bf4602a1d1c73a507a2fcdb3d562d3
humanhash: arizona-orange-colorado-whiskey
File name:zyxel
Download: download sample
Signature Mirai
File size:2'835 bytes
First seen:2025-12-02 16:35:26 UTC
Last seen:Never
File type: sh
MIME type:text/x-shellscript
ssdeep 48:vXUo+UoYUoOUo0UoUpzEUo7UogUoVUoSUoKUoYqUfUoLUo+UL:vXt+tYtOt0t0Et7tgtVtStKtYqUftLtH
TLSH T1FF519FCAB3D69A70EFB15D9A75F5840474C0E09967C3CF86E0FCA4BD0A4EF095490BA6
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
medusa mirai obfuscated
Result
Gathering data
Verdict:
Malicious
File Type:
Script
Detections:
HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen HEUR:Trojan-Downloader.Shell.Agent.c HEUR:Trojan-Downloader.Shell.Agent.a
Threat name:
Linux.Downloader.Morila
Status:
Malicious
First seen:
2025-12-02 16:36:24 UTC
File Type:
Text (Shell)
AV detection:
22 of 36 (61.11%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora antivm botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
UPX packed file
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (37900) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Linux_Shellscript_Downloader
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh b33f6651443ac30e314256c0c211a536bcadeee5db73148c9d2abe36b39b34d0

(this sample)

  
Delivery method
Distributed via web download

Comments