MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151. 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
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SHA256 hash: a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151
SHA3-384 hash: c325460e3c098fbf08169c9ee60fbf670415b62a6dc0a9a32d914acf83f32d3a15d263dbb559f32ec587dc26351876d7
SHA1 hash: f14178ba429f4397fe86963f7257d71ea9da1bd1
MD5 hash: a135bff41f5ae95fbb64a73e94c76b58
humanhash: magnesium-south-mirror-lactose
File name:Polar.ppc
Download: download sample
Signature Mirai
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File size:127'208 bytes
First seen:2026-03-25 22:10:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oRVDgUPhC2o+4AxmxAJJrE9+9gP9jQoLA8vAcb4H6HN7qzN994iIbl:oRC+fo+4Ax+AJkt9HL0ceutl
TLSH T1D6C33905730C0943E2673EF03B3F27E193EFDA8131A4EA41255FAA8A91B1D32558ADDD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/000decc4-279f-4ca6-838e-d61dff090f32/
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7135957-0
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.Trojan.Mirai-9940367-0
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Unix.Trojan.Mirai-10012200-0
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Unix.Trojan.Mirai-10012671-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/69c45d5ae2df9aa488b7f285/reports/3d000361-09e6-4914-8b13-01297a1e4f81/overview
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e46fb0b2-3edd-42b0-acb7-67277d472430
Behavior Graph:
Download SVG
%3 guuid=a13531b8-1800-0000-06ce-80b1a0090000 pid=2464 /usr/bin/sudo guuid=320e7ebb-1800-0000-06ce-80b1a3090000 pid=2467 /tmp/sample.bin guuid=a13531b8-1800-0000-06ce-80b1a0090000 pid=2464->guuid=320e7ebb-1800-0000-06ce-80b1a3090000 pid=2467 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dda78317-a00a-449d-8b84-9e3cc91db6eb
Result
Threat name:
Mirai, Xmrig
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Detection:
malicious
Classification:
troj.mine
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1889220
Signature
Antivirus / Scanner detection for submitted sample
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1889220 Sample: Polar.ppc.elf Startdate: 25/03/2026 Architecture: LINUX Score: 76 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 moiamonprime.myddns.me 143.20.185.225, 32420, 58326 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->31 33 5 other IPs or domains 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Yara detected Xmrig cryptocurrency miner 2->41 10 Polar.ppc.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        17 python3.8 dpkg 2->17         started        signatures3 process4 signatures5 43 Found strings related to Crypto-Mining 10->43 19 Polar.ppc.elf 10->19         started        21 Polar.ppc.elf 10->21         started        process6 process7 23 Polar.ppc.elf 19->23         started        process8 25 Polar.ppc.elf sh 23->25         started        process9 27 sh wget 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-25 22:10:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uigjvers3mf4ioahagrs4gmr6qpx2r5xonwkbioxlpkloj3mqfiq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260325-13nw9ae14t/
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/a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151

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:ELF_Toriilike_persist
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Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:SUSP_XORed_Mozilla_Oct19
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Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 a20c9a9232db0bc4380701a32e1991f41f7d47b7736ca0a1d75bd4b7276c8151

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3711535/
  
Delivery method
Distributed via web download

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