MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4
SHA3-384 hash: 50dc6022ef9ff876a2c24aec40f1565ede880079e82d7ae88e19496b5a926ac557afa8d671124e5eb155b99827cd98f6
SHA1 hash: becaba4172f2cbb64ceea158fe86b0d39e6a0303
MD5 hash: bfa659c66ba6553032f6e9de879f6373
humanhash: comet-london-jersey-sixteen
File name:Polar.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:58'976 bytes
First seen:2025-11-28 23:36:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7dVWGV+rYvKeXwILuwPvBelYGTv+SPevCnz10tnouy8HyP:54G48KeXwIHelYWvh2qR0Vout4
TLSH T13443020194669FF694DE2839B5BFFA1F0942C74E4A2B87E7A84C7D2D0012B084E5BBD5
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) :58'976 bytes
File size (de-compressed) :145'772 bytes
Format:linux/i386
Unpacked file: c1486011ec07d8a556aa4d992f61fe48fe7c4562bc6fefa1755358000b763ee5

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/692a3229d0d5e7288b4fe615/reports/00bc8deb-b282-4e6a-b555-32eb0a0f2742/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c692d05-d914-425d-a25c-16757688c119
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1822631
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822631 Sample: Polar.i686.elf Startdate: 29/11/2025 Architecture: LINUX Score: 64 26 lolzzmortex.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 8 Polar.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Polar.i686.elf 8->16         started        18 Polar.i686.elf 8->18         started        20 Polar.i686.elf 8->20         started        process6 22 Polar.i686.elf 16->22         started        24 Polar.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 23:37:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mygtew5ca5zp5p6fjl4btjtqpn5udinirx4odtuhmawqqdayvo2a._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/251128-3l7zxasrbl/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fb3031ec-a67a-4a1b-832c-2abddb75dcad
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4

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 660d325ba20772febfc54af819a6707b7b41a1a88df8e1ce87602d080c18abb4

(this sample)

Mirai

elf c1486011ec07d8a556aa4d992f61fe48fe7c4562bc6fefa1755358000b763ee5

  
URLhaus
https://urlhaus.abuse.ch/url/3712749/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c1486011ec07d8a556aa4d992f61fe48fe7c4562bc6fefa1755358000b763ee5
  
Dropping
MD5 fac0d23b1e2c3b3f13b8d08ab167c07a

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