MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c
SHA3-384 hash: fff8381351db374282abc686a0dc5ccc113d53a92db099dfdef5455d0f81d5983964b56896fd537542f92c55b28e7e80
SHA1 hash: 7b49ae596c3d63989f49431418d7a9d1132a4700
MD5 hash: ac0ed2c02a9177db8a831c96a38650c0
humanhash: paris-oven-alpha-low
File name:Polar.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:68'296 bytes
First seen:2025-11-29 04:05:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Sawrs6FgLYE2bS4eMRuF9hHob5ycwhVcHVCWxJyln:RwYy+43RuF9hHob5khV0fJQn
TLSH T1116301DB633E6930D0AF61B99DED80A4E342B543120BC797048DF6BF89E775CCA21A41
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) :68'296 bytes
File size (de-compressed) :182'760 bytes
Format:linux/amd64
Unpacked file: f8bd4cfd5fa1370ffc124aced50648315cabdc9d0f1207e90f62d9f4c36ca41a

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ea31e8b3-9b0d-4c9d-9c9d-1397725d6957/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-29T02:23:00Z UTC
Last seen:
2025-11-29T03:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6eb87291-563e-43e4-a396-bdebbe8a8b36
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1822687
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822687 Sample: Polar.x86_64.elf Startdate: 29/11/2025 Architecture: LINUX Score: 72 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 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 Gafgyt 2->32 34 Sample is packed with UPX 2->34 8 Polar.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.x86_64.elf 8->12         started        14 Polar.x86_64.elf 8->14         started        16 Polar.x86_64.elf 8->16         started        process6 18 Polar.x86_64.elf 12->18         started        20 Polar.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 04:06:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=murf6damhk3tsfyyhkqty77ksrnxfhgctk7i7wc7fzhmjn3b36ga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251129-en83zszrdx/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/79537455-875a-45f5-9eff-fe7f16a06870
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/65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c

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 65225f0c0c3ab73917183aa13c7fea945b729cc29abe8fd85f2e4ec4b761df8c

(this sample)

Mirai

elf f8bd4cfd5fa1370ffc124aced50648315cabdc9d0f1207e90f62d9f4c36ca41a

  
URLhaus
https://urlhaus.abuse.ch/url/3711448/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 f8bd4cfd5fa1370ffc124aced50648315cabdc9d0f1207e90f62d9f4c36ca41a
  
Dropping
MD5 e004048f42c3628cc7f04c0d78236905

Comments