MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36
SHA3-384 hash: 227e965b6a7bb41f5009dd0d348fa4308c88313253eb1fe6a6df76ad30d93d0666d610b13d20b51e54c336429981904f
SHA1 hash: 3879142a683f76e6bf1022558f606d73f585cdbe
MD5 hash: b59cfa260f9f3094bce43ec0b05196ad
humanhash: quiet-alanine-juliet-hydrogen
File name:Polar.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:68'216 bytes
First seen:2025-12-04 16:49:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fwVO8ytHuOsyCfHfNCBQiyaPjemkxQi3Ry3YSDSb:YVqurH2QiBMei38ISmb
TLSH T1CB63027FC4266ABAE0776FB3843B01A0E7B26C79C5EA6E73D894A17E15575057A00802
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) :68'216 bytes
File size (de-compressed) :182'472 bytes
Format:linux/amd64
Unpacked file: 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c3900a72-6b11-446d-afee-113e36d3e662/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6931bb8cd12d1c79d42944ea/reports/1d77555b-f726-46b4-99d2-bed858fc8932/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-04T14:57:00Z UTC
Last seen:
2025-12-05T00:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6b23f23-04e8-4565-be85-009d9be148e0
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1826526
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826526 Sample: Polar.x86_64.elf Startdate: 04/12/2025 Architecture: LINUX Score: 76 26 uraniumc2.ddns.net. [malformed] 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 Yara detected Gafgyt 2->36 38 Sample is packed with UPX 2->38 8 Polar.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Sends malformed DNS queries 26->40 42 Uses dynamic DNS services 26->42 process4 process5 16 Polar.x86_64.elf 8->16         started        18 Polar.x86_64.elf 8->18         started        20 Polar.x86_64.elf 8->20         started        process6 22 Polar.x86_64.elf 16->22         started        24 Polar.x86_64.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 16:49:18 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=edkgb2u364e2yrbogubtznisyu3i454p6jrwxvv442tibmtg7y3a._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/251204-vbss8sbm5y/
Behaviour
Reads runtime system information
Writes file to system bin folder
Enumerates running processes
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5e04cd13-6290-48c0-a9d6-eaad148ae025
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/20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36

(this sample)

Mirai

elf 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc

  
URLhaus
https://urlhaus.abuse.ch/url/3712744/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc
  
Dropping
MD5 bdd5a429f1c2b00cbaf23b539f8696ed
  
URLhaus
https://urlhaus.abuse.ch/url/3711448/

Comments