MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1. 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
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SHA256 hash: 5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1
SHA3-384 hash: 3dfb75440eb16227aa9bd46871cd33558d8d2deb49598737b3afdaa571928abe4338224edc08dec8e1f5d96305ee9fbb
SHA1 hash: 344b60ab6a9a994d294c0719e760d2ce125902a3
MD5 hash: f8a7d445a2d8d24817e89e8719aa732a
humanhash: avocado-uncle-october-nitrogen
File name:mao.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:65'620 bytes
First seen:2026-01-31 16:41:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ui4nHrUePzer5OnrMi+lQi+u3pah846jXGYftt9hY48SqfuEgZ7UMICBeqooe2XV:ui8rUePzEOQfnOYfNG48SWUZ7UTCUqtV
TLSH T187531A89B801AF7CF95FDAFA41164E0DF961A301A5830F2B6767FDD36C724A58A13C42
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/ba590ec6-d1b9-481c-96cf-2dc76aa767b3/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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Unix.Trojan.Mirai-6981989-0
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Unix.Trojan.Mirai-9907086-0
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Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-9945193-0
Create hunting rule

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

Unix.Dropper.Mirai-10008433-0
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Unix.Trojan.Mirai-10018298-0
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Unix.Trojan.Mirai-10028946-0
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/697e30cc981ff1d38a42f903/reports/fabc871e-da12-47ba-a1cf-e959989d7152/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-31T13:47:00Z UTC
Last seen:
2026-01-31T16:50:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7cd6c75c-25ea-4960-b9c2-e95cbbebf219
Behavior Graph:
Download SVG
%3 guuid=b2d655e5-1900-0000-8311-e331cd0a0000 pid=2765 /usr/bin/sudo guuid=075094e7-1900-0000-8311-e331d50a0000 pid=2773 /tmp/sample.bin guuid=b2d655e5-1900-0000-8311-e331cd0a0000 pid=2765->guuid=075094e7-1900-0000-8311-e331d50a0000 pid=2773 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1ff8bb65-dc84-4818-84a6-f588b9f5bd6d
Result
Threat name:
Okiru
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Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1860961
Signature
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860961 Sample: mao.m68k.elf Startdate: 31/01/2026 Architecture: LINUX Score: 56 24 mn.34509.su 185.242.3.127, 25565, 51976, 51978 ATOM3-ASUA Ukraine 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Okiru 2->28 8 systemd snap-failure 2->8         started        10 mao.m68k.elf 2->10         started        signatures3 process4 process5 12 snap-failure systemctl 8->12         started        14 snap-failure 8->14         started        16 mao.m68k.elf 10->16         started        18 mao.m68k.elf 10->18         started        process6 20 mao.m68k.elf 16->20         started        22 mao.m68k.elf 16->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-31 16:34:14 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkcyo3cej2zyein6yyt3w2ehz4cb4t2k52sokel7aqjb52eklhiq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260131-t7j1jac13b/
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/5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1

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
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Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
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
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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 5a85876c444eb38221bec627bb6887cf041e4f4aeea4e5117f04121ee88a59d1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766694/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3766743/

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