MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments
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SHA256 hash: b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121
SHA3-384 hash: 70f0f1d6e19fdc9c93b5ee6a9de39e179f5053aebbf46ff518c87fbfe785ec51f98f87b50539bc7bbe724b21bd7c3e2d
SHA1 hash: f32377f889747a81cfd7d3bb2f17478017860aee
MD5 hash: 089270e8188d77f4d970d2dce67e8b52
humanhash: don-maryland-papa-april
File name:mao.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:91'916 bytes
First seen:2026-01-31 16:41:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JhMGEQliBx31o4ttBsmAMIV+k6IEVBIVCCfy0K9mTZkF:JhEQlipzTOMIX6utu
TLSH T1149317781945F3ACEAB65074F40365E62A5206183FDCD2E36D87247BFF34788A56CE0A
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 :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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Unix.Dropper.Mirai-7135870-0
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Unix.Trojan.Mirai-7135937-0
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Unix.Dropper.Mirai-7136014-0
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Unix.Trojan.Mirai-9770090-0
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Unix.Trojan.Mirai-9907086-0
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Unix.Trojan.Mirai-9945193-0
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Unix.Trojan.Mirai-9946826-0
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Unix.Dropper.Mirai-10008433-0
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Unix.Trojan.Mirai-10028946-0
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Unix.Trojan.Mirai-10036362-0
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade obfuscated
Link:
https://www.filescan.io/uploads/697e30d9930564ff3c80db0d/reports/41ce1083-f710-4dd6-af7d-a6b6e2758422/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4d5db4e1-bb19-4753-9bf5-56341ec95fe9
Behavior Graph:
Download SVG
%3 guuid=0591e810-1900-0000-825e-2df706080000 pid=2054 /usr/bin/sudo guuid=45109013-1900-0000-825e-2df70c080000 pid=2060 /tmp/sample.bin guuid=0591e810-1900-0000-825e-2df706080000 pid=2054->guuid=45109013-1900-0000-825e-2df70c080000 pid=2060 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d244e6ab-d21d-400a-8320-fc5594befe46
Result
Threat name:
Okiru
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Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1860969
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/b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-31 16:35:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xe3t6tpvmhrl5dwiaeltghjc3hx5krwj2umglnthiotjy56oqeqq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260131-t7dhracz9e/
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/b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121

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
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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
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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 b9373f4df561e2be8ec80117331d22d9efd546c9d51865b66743a69c77ce8121

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766687/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3766740/

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