MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b
SHA3-384 hash: 3a4750b50f90541c727b5bd10cc98338e786d8f12dc60fb317ed5ce66c49819d9cbb17a72bf302539a27af08288ab558
SHA1 hash: 38cfe70f19ae00dab5491dedd4489dde701e08e6
MD5 hash: 97b5b5dda6192ab56b2bd435707fc5eb
humanhash: fix-echo-yellow-sad
File name:S3o.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:73'248 bytes
First seen:2025-12-01 10:44:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1YWnPpMi9HTxkQZ5iIdQnsfkidwAAK2LJ6qxXXDvNdI9AEqRVz:1YWBMUTcI+sM9AYLJ6qxxdI9AJVz
TLSH T11963013272573CBA1B70523BBD5C8B66FC9FC2B8E06F71258625C93C24DD9834663989
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 UPX
File size (compressed) :73'248 bytes
File size (de-compressed) :201'506 bytes
Format:linux/arm
Unpacked file: f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
android gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692d71c4d0d5e7288b52b6d6/reports/aa2373ce-d677-4f4f-ad13-5601ef2ccac2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5bbca95b-55b1-4e6d-a6bf-29b7c11de398
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1823480
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823480 Sample: S3o.arm7.elf Startdate: 01/12/2025 Architecture: LINUX Score: 68 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 41.216.189.88, 57920, 57922, 57924 AS40676US South Africa 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 S3o.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.arm7.elf 8->12         started        14 S3o.arm7.elf 8->14         started        16 S3o.arm7.elf 8->16         started        process6 18 S3o.arm7.elf 12->18         started        20 S3o.arm7.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 07:33:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 35 (51.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwwybld4xiyyx3fu33b3tohnsb66scripcfiwmwmsjpo27ff6f5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251201-mtklkszlar/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c413a4ac-d725-4cf6-8e39-c8771af09360
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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b

(this sample)

Mirai

elf f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b

  
URLhaus
https://urlhaus.abuse.ch/url/3713354/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b
  
Dropping
MD5 db0425efcbe60db6618490457999d8fc
  
URLhaus
https://urlhaus.abuse.ch/url/3712131/

Comments