MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192. 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: 2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192
SHA3-384 hash: 23e8da0da3122ce3bcd5075f08e202b29342bbe738ebc42b2ad1a38d96c39932a2f0c4089bfe3795d652ee6f7d975f39
SHA1 hash: 735ad0f56eaf8dd53fbb121b68868a1ec1c2b0ab
MD5 hash: aa54389764760e476b51cc6023e10d64
humanhash: iowa-monkey-north-mexico
File name:kt5
Download: download sample
Signature Mirai
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File size:150'616 bytes
First seen:2025-05-09 03:33:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:A6MMnQj9MG/fQRgqzyH1Hfl4zfyLJiE1xJY28G:A6MMnE9MkQRgq2ht4zqLJiErY28G
TLSH T18DE3F946BD518F13C5C622F7FBAE018D3B256B69D2EB31029D24BF9037869DA0D77212
telfhash t1a521cde48be019ec77f9c38491d7a52daede30cd1508217acd59278f05936d2743a93b
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 :
124
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Dropper.Mirai-7136070-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9858729-0
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Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681d77f191991ead82b65b3blinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/681d77b046b92be261843658/reports/4b328533-3922-436e-aefd-813c910d1aa7/overview
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:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19462d1c-714f-4dc9-b4a6-0e66c59521bd
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1685050
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1685050 Sample: kt5.elf Startdate: 09/05/2025 Architecture: LINUX Score: 80 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 4 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 kt5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt5.elf 8->14         started        process6 16 kt5.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-05-09 03:34:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fpyllsagxyehbkitld2cyrr62olakke7nshpriexmcawnqp2ggja._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/250509-d4s62azvat/
Behaviour
Changes its process name
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192

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_d94e1020
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Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
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 2bf0b5c806be0870a91358f42c463ed39605289f6c8ef8a097608166c1fa3192

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532683/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3531154/

Comments