MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166. 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: cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166
SHA3-384 hash: 4045d40be9ad7d7f14ee44c3fa64bb8b3bcad36d301e173537836f0b3663ff873961cd3fff4e63d6c9a83355c7cdb171
SHA1 hash: cada17027c48fa89078096537bdbdacf6fb21de2
MD5 hash: 6a5f463e470ebffcbdcd4de4b357b40d
humanhash: maine-berlin-north-zebra
File name:S3o.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:48'696 bytes
First seen:2025-12-01 04:36:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:O+jm/igUe0HCLCO63QTxr4p8EJNZiRgXZQCOFGUJ5xw9eBUJe8oHAuwivreAl7sl:OFigU7M6q4mE7oKKCOoUJPw9eNRHXwiM
TLSH T16623F2786E40C157D96398F55FB11F810FAA3BB30107D8B6E049C6E9EAAA1B429C7CD0
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) :48'696 bytes
File size (de-compressed) :144'700 bytes
Format:linux/mips
Unpacked file: 807643c2f885f5548fa70a96825478d4bc0b8edd6e5d2caa0ff40ca6db680a1f

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/692d1b7cd0d5e7288b522218/reports/6174d698-5ff0-41cd-be93-e0b18fdd6e12/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
37
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/98f0927d-320c-41b4-ad2f-e5dafd0fef5b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1823316
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 signatures2 2 Behavior Graph ID: 1823316 Sample: S3o.mips.elf Startdate: 01/12/2025 Architecture: LINUX Score: 68 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Sample is packed with UPX 2->41 9 S3o.mips.elf 2->9         started        11 dash rm 2->11         started        13 dash cat 2->13         started        15 9 other processes 2->15 process3 process4 17 S3o.mips.elf 9->17         started        19 S3o.mips.elf 9->19         started        21 S3o.mips.elf 9->21         started        process5 23 S3o.mips.elf 17->23         started        25 S3o.mips.elf 17->25         started        27 S3o.mips.elf 19->27         started        process6 29 S3o.mips.elf 23->29         started        31 S3o.mips.elf 27->31         started        process7 33 S3o.mips.elf 29->33         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5s6pc2swgpdvrnbupyq6vy2md6rdnd2olsh4vf22ag4yedcifta._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-e8xwfssnby/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/58c1e767-3483-4864-b5b5-3f2b9279abd0
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 cf65e78b52b19e3ac5a1a3f10f571a60fd11b47a72e47e54bad00dcc10624166

(this sample)

Mirai

elf 807643c2f885f5548fa70a96825478d4bc0b8edd6e5d2caa0ff40ca6db680a1f

  
URLhaus
https://urlhaus.abuse.ch/url/3712134/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 807643c2f885f5548fa70a96825478d4bc0b8edd6e5d2caa0ff40ca6db680a1f
  
Dropping
MD5 5877bc61bc4c5301ea0335b957bde630
  
URLhaus
https://urlhaus.abuse.ch/url/3713357/

Comments