MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998
SHA3-384 hash: b89c2db47929ebabc9b30fa05dba8e8d27b75e9c0943b9e926f343f52aa8fe2c54d11b4757ea31e81c27d917c581257c
SHA1 hash: 28ff191031cfcf773999ca23cd0fee3475927aa8
MD5 hash: 478381952d9697e1ece0feba9ff5eef0
humanhash: burger-fruit-delaware-skylark
File name:Josho.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:49'752 bytes
First seen:2025-12-23 22:59:28 UTC
Last seen:2025-12-23 23:38:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:4LInPCqAAXJLE7cxtdg8NCqBNM7vk9YXPSP0Hoa:FCqxpE7cxtdg0Cqvsvk9sSMHz
TLSH T10A233AC4B583F8F9EC15457C307B97729EB7F43A603AEDABC39994239815601AA072DC
telfhash t1f0118cbb1eb90cf8b3d1a888c72e56d54969ca3b157137a44362d42832c2ec2507dc38
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/10996cb5-1398-48b7-8082-c0ef164e0bda/
Detection(s):
Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9835278-0
Create hunting rule

Unix.Trojan.Mirai-9835289-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/694b1f0c84afa5547b5d1788/reports/42bf01af-484e-4e68-a0e3-b506922d3b5c/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9ec0d61-fdce-451e-bb58-4c5a38d459f0
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1838537
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838537 Sample: Josho.x86.elf Startdate: 24/12/2025 Architecture: LINUX Score: 64 44 114.210.71.203 XEPHIONNTT-MECorporationJP China 2->44 46 198.239.115.242 WA-STATE-GOVUS United States 2->46 48 99 other IPs or domains 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 10 Josho.x86.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 Josho.x86.elf 10->14         started        16 Josho.x86.elf 10->16         started        18 Josho.x86.elf 10->18         started        process6 20 Josho.x86.elf 14->20         started        22 Josho.x86.elf 14->22         started        24 Josho.x86.elf 16->24         started        26 Josho.x86.elf 16->26         started        28 Josho.x86.elf 16->28         started        process7 30 Josho.x86.elf 20->30         started        32 Josho.x86.elf 20->32         started        34 Josho.x86.elf 20->34         started        36 Josho.x86.elf 24->36         started        38 Josho.x86.elf 24->38         started        process8 40 Josho.x86.elf 30->40         started        42 Josho.x86.elf 30->42         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 14:09:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aipcwkh2pceaslpg4xru6mkduh7d3nedartu324tncuktlm4tgma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:josho defense_evasion discovery linux
Link:
https://tria.ge/reports/251223-2y95csxncw/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (90753) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/a59b4450-1483-411f-8666-7b096033917a
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/021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998

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_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf 021e2b28fa7888092de6e5e34f3143a1fe3db48304674deb9368a8a9ad9c9998

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3741698/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3742542/
  
URLhaus
https://urlhaus.abuse.ch/url/3742561/

Comments