MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1
SHA3-384 hash: 9f7d5b71fd545eb6ef535b27dae9a0eecc62c93f325a898f67f8cba63c22e07792e63078a2a7dbf6a03a21704041a0c4
SHA1 hash: eff88527c57534a238be90792c6478c79fb2a912
MD5 hash: 1812bf8049784fc48a97ab71910d02b4
humanhash: mango-equal-orange-winter
File name:Polar.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:159'044 bytes
First seen:2025-11-29 00:06:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:h9+B3UsqNnee0PI65ya28Suua9NsrwQG6oSW2pQ3huE:h9cMUDy5uua9CWXf24huE
TLSH T1F5F38D22C9656EA8C125C974F035EE396B539EA641871FBE1997CB718043DCCFA063B8
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/692a38f81b65ca0bb927059b/reports/d5c30f22-e64c-49b9-964c-509e33fb51a9/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-28T22:19:00Z UTC
Last seen:
2025-11-29T00:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/57d57bb2-86bc-43ed-9ddf-5ba58c739826
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1822641
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822641 Sample: Polar.sh4.elf Startdate: 29/11/2025 Architecture: LINUX Score: 76 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 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 8 Polar.sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.sh4.elf 8->12         started        14 Polar.sh4.elf 8->14         started        16 Polar.sh4.elf 8->16         started        process6 18 Polar.sh4.elf 12->18         started        20 Polar.sh4.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 00:07:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t6b6x5djynzvq4ati35tf3uizkoazjvuyap4op2rft74qru7uxaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251129-adw88atjap/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/6a1d8075-1852-42db-b2e2-da41cbd49d28
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/9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 9f83ebf469c37358701346fb32ee88ca9c0ca6b4c01fc73f512cffc8469fa5c1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3712741/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711450/

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