MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789. 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: 3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789
SHA3-384 hash: 0ffa8e269e3c864dc4f01ccb13c0c1b5c3b326c06c97d6c2d880f960843d68b9bb29ad13c7761bb3544ea6acdf6e92e2
SHA1 hash: db6aee7f7e8049ae11e1d354ba66c08787d9c604
MD5 hash: 50d72acb4954ed6302ab40d4eb73bf12
humanhash: nebraska-batman-finch-arizona
File name:Polar.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:150'308 bytes
First seen:2025-11-22 16:36:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Xnee0PIub31zhBXWrPwjQ97IBUNjDir0ZWf01Oqr:Op3tXWrPwjQ97jViwEf/qr
TLSH T1B3E38D22D964AEA8C62495B0F0A1EF795B539E9642831FFB1AA7C7714043DCCFD053B8
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6921e6d26c89728b9825adbe/reports/a28c1b40-b998-49a4-8cad-03a957d27670/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-19T22:33:00Z UTC
Last seen:
2025-11-22T10:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/332fc1d2-12e8-4b57-bfe8-00a3b0b71e76
Behavior Graph:
Download SVG
%3
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cb631ba3-442f-45e6-bd6a-c1a77d9cb706
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1819135
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: 1819135 Sample: Polar.sh4.elf Startdate: 22/11/2025 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/3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789
Threat name:
Linux.Backdoor.Bashlite
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 01:31:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkzb35jgmakklvezuqrydcy6ztqo2aknthfsm4hfqkzejgq5s6eq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251122-t44wjabj7v/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/20cc95de-daee-423c-9404-b37322d9401c
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/3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789

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 3ab21df5266014a5d499a423818b1ecce0ed014d99cb2670e582b2449a1d9789

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3714157/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3714919/

Comments