MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace
SHA3-384 hash: 3306364e385cb722bbb7a5023cfa081efbf0c3c2496e15a3277e23117da0f73f270014f238f182d4ad536cb3a09b98cd
SHA1 hash: a379147d95202586c44c000917c9c1b51c859a2f
MD5 hash: e2a32eb0260aeae9c1402aed7eeee55d
humanhash: michigan-grey-ceiling-fix
File name:kt4
Download: download sample
Signature Mirai
Create hunting rule
File size:78'636 bytes
First seen:2025-04-30 18:32:30 UTC
Last seen:2025-05-01 10:35:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:t7zK6YlVwZBvewZUD92b2xV3D6n10aPlxT:I6g4s52bfCOxT
TLSH T15273628DFD65A72EC7E276FAF71812CE263E1B9CB3D672219D310E5137C8B60A425160
telfhash t1ff31687b9fb90f9c67dc448480cea51a43fd312e0b096857a9495b6bee02283f43e41b
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 :
2
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68126fb5c8b2e86d0ac5455elinux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68126ce7c502e7176af9c67e/reports/335fe84d-c4d4-483b-8736-fbd266ea8df4/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:
31
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f58a4595-ad9a-4423-bd8b-edd45cd0c65d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1678401
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: 1678401 Sample: kt4.elf Startdate: 30/04/2025 Architecture: LINUX Score: 72 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 j48asd.dns.army 1.1.1.1, 8856 CLOUDFLARENETUS Australia 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 dash rm kt4.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 kt4.elf 8->16         started        process6 18 kt4.elf 16->18         started        20 kt4.elf 16->20         started        22 kt4.elf 16->22         started        24 12 other processes 16->24
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-30 18:33:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3dosvrcpzqkv63q24xesgslhuiagrkjirc7tq33c2kj5dnw3lha._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250430-w68cvavrx7/
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/66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace

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
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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
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 66c6e956227e60aafb70d72e491a4b3d100345494445f9c37b16949e8db6dace

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531157/
  
Delivery method
Distributed via web download

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