MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c. 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: 8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c
SHA3-384 hash: f8308513ec0f49b28cf9a2fca308a5501226d29797c6844ac6f529eb99c4a5f487b6936b784d889dc03a0aa66d078ebf
SHA1 hash: f235836b408fc0eefa5596fff3994220f57eb94c
MD5 hash: e4924c84de1d70bf9d9f493f07203f57
humanhash: pasta-oranges-white-south
File name:mao.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:91'912 bytes
First seen:2026-02-08 00:19:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:wkWNtHtc5jAR0RSH6NoXmm9YVBIVCCfy0K9q51qJ2E:WHtc5jAR01aWm4uR5YoE
TLSH T1049316756542F2ACEAB45074F40329E62A5206093FDCD5E3BD83113BFF74788A66DE0A
telfhash t1b8e06801ec6a8b1c8cdb9a70ec9c07b8e5012223556a8b10df20c7e0883f458e31df4f
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 :
71
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Trojan.Mirai-9770090-0
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Unix.Trojan.Mirai-10036362-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit gafgyt gcc masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6987d682981ff1d38a4ca0a1/reports/7d44ced8-0646-49e3-a327-9e49736906eb/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-06T21:08:00Z UTC
Last seen:
2026-02-07T02:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c7bac711-cf0a-4e0e-84f9-ee5c69ee9342
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1865398
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-07 02:04:11 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=rm54hzou77k4kxdvxvodmukgj4ty3cu3ztlzlqjdw3ff5jtjbuga._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260208-amarksg14a/
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/8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
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: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: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 8b3bc3e5d4ffd5c55c75bd5c3651464f278d8a9bccd795c123b6ca5ea6690d0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766740/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3774294/

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