MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
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SHA256 hash: 4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a
SHA3-384 hash: 296153580d49e2ca2eb6db3046faf635cb8a740afee146588dd02da44e1121220dc0ceea7d249966797254d42c06107a
SHA1 hash: d3bc9592bba4679ab0b98c16feb50e85ec9abe99
MD5 hash: 1829a100f9c7b0564d194c315a7b5ac9
humanhash: wolfram-island-butter-alpha
File name:byte.arm5
Download: download sample
Signature Mirai
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File size:85'304 bytes
First seen:2025-01-16 06:41:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:qpB2MuSQpjYeOeRdQEhuHXzirrIpjtTK2GyvqHPzY9Jl61d68I:qpGSEYeOeRdNkLjJK2Vqvzw4vI
TLSH T19D833B42BD815A13D6D513BBFB6E018D372A63A4E2DE3203DD256F21738A92F0D77612
telfhash t1a1e061bacb045695f7b7a24450cf20356d4d303527352845cdbdab8b8153960b02017e
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 :
163
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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Sanesecurity.Malware.28959.LC.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6976991-0
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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-7135898-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-9943731-0
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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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Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/6788aa4df0aaa44f901250a6/reports/9f2da222-f2fb-419b-955f-204d90929c43/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e995c46-9bdd-4b48-9c84-3ad81232b87c
Result
Threat name:
Mirai, Okiru
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Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1592478
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1592478 Sample: byte.arm5.elf Startdate: 16/01/2025 Architecture: LINUX Score: 100 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 162.213.35.25, 443, 53074, 53076 CANONICAL-ASGB United States 2->57 59 4 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 2 other signatures 2->67 8 byte.arm5.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 54 other processes 2->14 signatures3 process4 signatures5 17 byte.arm5.elf 8->17         started        19 byte.arm5.elf 8->19         started        22 byte.arm5.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 4 other processes 10->30 32 4 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 11 other processes 14->34 process6 signatures7 36 byte.arm5.elf 17->36         started        39 byte.arm5.elf 17->39         started        69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        47 sh grep 30->47         started        49 2 other processes 30->49 51 4 other processes 32->51 53 4 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2025-01-16 06:42:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j64xrgpsnztrlin3gro6ky5fg6ktfyipfcyd34idugkpjryttcfa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd
Link:
https://tria.ge/reports/250116-hgb2fsxkh1/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/1f169169-34e3-44c8-bdb1-31b7ca5f8113
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/4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a

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_Threat_3bcc1630
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Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
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Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
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Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
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Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
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Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
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Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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
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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 4fb97899f26e6715a1bb345de563a5379532e10f28b03df103a194f4c713988a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3377106/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3383311/

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