MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5
SHA3-384 hash: 5f2a38e6ac848331e81bbfd16bc2e263ee4452f46f96caf0b5414e179c6ce1743854ac92c3d4d2d792201673781e0f15
SHA1 hash: 66515528c8825be003b745dcc3ac8e64d9492ad4
MD5 hash: 4ebc1cc2f9d941c92dce1d2d518526b0
humanhash: lamp-skylark-high-eleven
File name:nz.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:55'892 bytes
First seen:2026-03-30 00:29:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:/cyu0nuoHwf/StW3AQoy7EFMQ5Bl5UTyS8kTIM4cLBRKIoNiitsZNMfg8BNdTWnN:/lnrHw36ADbEFM+UpcMLLBRKTt27S
TLSH T117431680FCD2996EC2D4137AA73E318E33A1B3E4D1CA3613CD585B25738A68F5D66B40
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 95b5c0afbdea19f217e1d7d1c6ed85fda40d07e0ae90e089b5d872310b465ac1
File size (compressed) :25'112 bytes
File size (de-compressed) :55'892 bytes
Format:linux/arm
Packed file: 95b5c0afbdea19f217e1d7d1c6ed85fda40d07e0ae90e089b5d872310b465ac1

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
Create hunting rule

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
Create hunting rule

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

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

Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9441505-0
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

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/32f4997a-deec-4c73-965e-65a2d72f5612
Behavior Graph:
Download SVG
%3 guuid=8fd97cd3-1c00-0000-d32d-444cb0090000 pid=2480 /usr/bin/sudo guuid=59642ed6-1c00-0000-d32d-444cb8090000 pid=2488 /tmp/sample.bin guuid=8fd97cd3-1c00-0000-d32d-444cb0090000 pid=2480->guuid=59642ed6-1c00-0000-d32d-444cb8090000 pid=2488 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0a50596-67a4-4813-9452-2705cdeeaccc
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-30 00:30:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kittcqumuds3tqqnjmw525xieck6a4txs2obsprpdz35ql2fps2q._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260330-atnl1se13n/
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/522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5

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_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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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 95b5c0afbdea19f217e1d7d1c6ed85fda40d07e0ae90e089b5d872310b465ac1

Mirai

elf 522731428ca0e5b9c20d4b2ddd76e82095e07277969c193e2f1e77d82f457cb5

(this sample)

  
Dropped by
SHA256 95b5c0afbdea19f217e1d7d1c6ed85fda40d07e0ae90e089b5d872310b465ac1
  
URLhaus
https://urlhaus.abuse.ch/url/3807990/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 23ff7f6d28bbfcb654e867a730a95aca

Comments