MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f. 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: 57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f
SHA3-384 hash: ef11d97f4378ed563e1b199827c4501f623ebd935375a48dc7c17516b0f922210a662790e01e0ad0dd3489549b90206a
SHA1 hash: 1d4804670c23912e69709d3a8e60d6f7ab03e77f
MD5 hash: 152ec958ae2fbd853b2ef3bccc36fc70
humanhash: edward-autumn-cold-video
File name:kt5
Download: download sample
Signature Mirai
Create hunting rule
File size:85'148 bytes
First seen:2025-05-07 02:49:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:jvIKyXOgpt7YCCcOoGGR2b2xVK85SgJLzd+QTfr:pQx2m2bctzdZfr
TLSH T1DB835088FD55A76EC7E277FAE71802CE263E1B9CB3D672219D310E5237C9B61B425120
telfhash t16c31cd56ffa01b9c5bca447291df640b4bfd35ae2b2c2416e7692b4f89029c2b43d40f
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 :
98
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:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681acb35432e243ac3e4c3e1linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681aca64c7418694c8a685af/reports/30f47bab-bfd8-46ae-aef7-f03919d46557/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:
4
Processes remaning?
true
Remote TCP ports scanned:
80
Full report:
https://elfdigest.com/brief/57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f
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/3cf1d0e8-31cb-4136-b6a4-bec5d29ac4c5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1682858
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: 1682858 Sample: kt5.elf Startdate: 07/05/2025 Architecture: LINUX Score: 72 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->22 24 2 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 dash rm kt5.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 kt5.elf 8->16         started        process6 18 kt5.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 02:50:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7o4fum4phy3o2x2xbilobji5tgdzovkyvzjd33hst2e5n7pwbhq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250507-dbm5baer9t/
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/57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f

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 57ddc2d19c79f1b76afab850b70528eccc3cbaaac57291ef6794f44eb7efb04f

(this sample)

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

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