MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147
SHA3-384 hash: ec0ca447341cd8c69dd59022e9181ede48485a7467b0772c97aa6e42d94e00eec248af35a5f9b09cf3485e85a920be47
SHA1 hash: a6de5f30776604ed7ed65c7d057bf9217d1d3fdd
MD5 hash: 8a289fa8de4d2f54173daec115291bd8
humanhash: island-mississippi-butter-whiskey
File name:nova.sh
Download: download sample
File size:2'180 bytes
First seen:2025-12-21 08:47:28 UTC
Last seen:2025-12-21 09:31:26 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 48:i3x33V8Vht3VoWVoHo3puA3kdL3TJJ3WN3I2c33fz3VnVOg38bEn:i3x33m93Zf3p/3kdL3Tv3WN3I2S3fz3j
TLSH T14A41CFFDB1260A712E6E9EAAF7B904287CD195F79CFF9E05DCDC74E9814CE082001A42
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
URLMalware sample (SHA256 hash)SignatureTags
http://213.21.229.201/bins/nova.x86d2722761441437dae4db4da7b27fce1281974a892bc16234156b9c54801a6bf6 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.mips51a2f08b70695f7a42a58a0ec1596cb3647d2a5640627b8831c06c467e0f2e9f Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.mpsl99a98ba377f54ce79cda3d3efd91bd8fe0c5e1583a5b557b460709f2f73c07a0 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.arm65d2be5b66b37f82babebccdb45795b3e6920a05d64de7c3a202504cd77d6796 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.arm5742175100b5a87773d24702aaedf8d01da5c55a73e6520f1ffb40a90fc4e8e31 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.arm6d8a9128e1a6e59d452aa3db1d07318b4d9b34d06aea33eb794445ad3f54edc49 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.arm77a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.ppc96928c218875f3acce550804fb85890559953a382d80dc67864d8c1c8d64465c Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.spc456b8a88df4ea7058ed270053bfae0db80f36f39119a07f061d74fd3faff412d Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.m68k059de12a99cb9a84a0e98a98fa0456ebef75eb408e61575d13a3d9759f5f0a29 Miraielf mirai opendir ua-wget
http://213.21.229.201/bins/nova.sh431fccf28792b9b8172af31b06386fc8f7a5cc7d73f218e48de1efac83964549f Miraielf mirai opendir ua-wget

Intelligence

File Origin
# of uploads :
2
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash botnet busybox evasive lolbin medusa mirai
Link:
https://www.filescan.io/uploads/6947b44d3f8fdbf8e94d6f3d/reports/4ed9a0d5-61a6-490a-985a-0fdf7db2320e/overview
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-12-20T13:14:00Z UTC
Last seen:
2025-12-20T13:41:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen HEUR:Trojan-Downloader.Shell.Agent.a
Link:
https://opentip.kaspersky.com/4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147
Threat name:
Linux.Downloader.Medusa
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 08:37:04 UTC
File Type:
Text (Shell)
AV detection:
22 of 38 (57.89%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmfn4iv3bmyfuxp7qcryienbhdz6zxjpctivezyf3p6f2jrmyfdq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/251221-kqlncsbr3z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Enumerates running processes
File and Directory Permissions Modification
Modifies Watchdog functionality
Contacts a large (71521) amount of remote hosts
Creates a large amount of network flows
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b0ade22bb0b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147

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:ach_202412_suspect_bash_script
Create hunting rule
Author:abuse.ch
Description:Detects suspicious Linux bash scripts
Rule name:Linux_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders
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

File information

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

Web download

sh 4b0ade22bb0b305a5dff80a38411a138f3ecdd2f14d1526705dbfc5d262cc147

(this sample)

Mirai

elf d2722761441437dae4db4da7b27fce1281974a892bc16234156b9c54801a6bf6

  
URLhaus
https://urlhaus.abuse.ch/url/3736636/
  
Delivery method
Distributed via web download
  
Dropping
MD5 fee2694ed0cd94507e869bef138eec6c
  
Dropping
SHA256 d2722761441437dae4db4da7b27fce1281974a892bc16234156b9c54801a6bf6

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