MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99
SHA3-384 hash: 4f74a2b49904ba652f440cd7d44e35ba06f808be86071b0c669b783d132ab87770a67f0bace0052921b5c871cc8c0f4a
SHA1 hash: 34be8715bd5aece81ae0f7990eeab05b8177a7b6
MD5 hash: 83acf1f5b827e56cadbb8de8c42276c8
humanhash: happy-muppet-three-uniform
File name:Polar.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:157'508 bytes
First seen:2026-01-17 20:16:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:7GoFFUnee0PIM33yJckNI+Ata6IC7NjfW+i/UVHFC:7GKrr3oNI+ABB1O+xVHFC
TLSH T1D3F38D62D8A4AF9CC2658570F021EE3C5B53DBA645831FBA19A7CB754043DCCFA067B8
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 :
82
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7f9c993a-6fc1-49e0-97c0-8bc45bafcc0c/
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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696bee5e584f1963ad5924b5/reports/10de6477-ae78-4502-97a3-0f10e57e2e13/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-17T17:22:00Z UTC
Last seen:
2026-01-19T00:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f31b93a6-1f31-4bce-b1b9-0947224a84eb
Behavior Graph:
Download SVG
%3 guuid=614ba3ec-1a00-0000-ecf1-5ee64d0c0000 pid=3149 /usr/bin/sudo guuid=f308e2ef-1a00-0000-ecf1-5ee6540c0000 pid=3156 /tmp/sample.bin guuid=614ba3ec-1a00-0000-ecf1-5ee64d0c0000 pid=3149->guuid=f308e2ef-1a00-0000-ecf1-5ee6540c0000 pid=3156 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b4ad4d7f-0eea-4e46-ac75-3ca462a87091
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1852604
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852604 Sample: Polar.sh4.elf Startdate: 17/01/2026 Architecture: LINUX Score: 84 28 ilovenetssomuch.ddns.net 2->28 30 169.254.169.254, 80 USDOSUS Reserved 2->30 32 2 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 42 2 other signatures 2->42 8 Polar.sh4.elf 2->8         started        10 systemd snap-failure 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 40 Uses dynamic DNS services 28->40 process4 process5 14 Polar.sh4.elf 8->14         started        16 Polar.sh4.elf 8->16         started        18 Polar.sh4.elf 8->18         started        20 snap-failure systemctl 10->20         started        22 snap-failure 10->22         started        process6 24 Polar.sh4.elf 14->24         started        26 Polar.sh4.elf 14->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 20:17:35 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=drzmw3emghu4iz3qniazb6mxc7awlketlm5bmn3y6fzmf5w3nkmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260117-y2yc7acs3e/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/4824b08c-8ec2-4d48-b0ec-efc2dcb5f0f6
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/1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 1c72cb6c8c31e9c467706a0190f99717c165a8935b3a163778f172c2f6db6a99

(this sample)

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

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