MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7. 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: 6


Intelligence 6 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7
SHA3-384 hash: 1a75d1396fdc6cba5b389bd49c5958271db7f5af2a4dbb537f414acda3687c9fe00133df01bda17a626dc7ed065fad76
SHA1 hash: 39d53c505c1294694be9bb6263b4b36bad38d541
MD5 hash: a367d284d647170a74f1383bc9ccb3b5
humanhash: mirror-sink-one-island
File name:Polar.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:77'220 bytes
First seen:2026-01-17 19:18:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ptJnt8hG6kl0QWTlAmMRlAsiyCvj1swUY8UTABqU4XlAJIryCIDpHFuB2O89:DRt8Gd0QW2riyCvj1swUY8UEBqB6JC+b
TLSH T1AC732B12F3B8173BC0B0B57480776A137EE95A9E0960EA8FBD750D9ADD132D416277E0
telfhash t132117ab5eb79da460596c92898ec0355986fe02a1015df1bee60cdec047d40ee219d1f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.Linux.Siggen.9999-2.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.Trojan.Mirai-8025795-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/696be0c2584f1963ad5916fc/reports/fe3d7496-0db2-47a8-aab1-8def68155843/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5acf992e-6993-499a-8c00-e98d88cd55e6
Behavior Graph:
Download SVG
%3 guuid=c84ac7a1-1a00-0000-66f5-ed62da0b0000 pid=3034 /usr/bin/sudo guuid=cbbb10a5-1a00-0000-66f5-ed62e60b0000 pid=3046 /tmp/sample.bin guuid=c84ac7a1-1a00-0000-66f5-ed62da0b0000 pid=3034->guuid=cbbb10a5-1a00-0000-66f5-ed62e60b0000 pid=3046 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fe5bb744-dcf1-4818-9a95-c35d1fdf83ef
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1852587
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 19:19:35 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55zi3rz74epzvlbjvxszcmgjmik5cunwyhtuz3ksywuwoordqctq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260117-x1rzcabs9g/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/ecb0561b-a7d4-4d76-bbcf-4d8cf86db3d6
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/ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 ef728dc73fe11f9aac29ade59130c96215d151b6c1e74ced52c5a9673a2380a7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3711462/
  
Delivery method
Distributed via web download

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