MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068
SHA3-384 hash: c3fff655b52dcc8793c36250150679c02702b549e1fef5bbb309cc2c2cb2362193d19c92092964a397d7a8d1931f2d31
SHA1 hash: b4187ef14c01867264b47f5c716d8e657e353ca5
MD5 hash: ede21666b4d296953388f1911ee68ab3
humanhash: six-cardinal-beryllium-wolfram
File name:kt3
Download: download sample
Signature Mirai
Create hunting rule
File size:259'808 bytes
First seen:2025-05-08 07:41:55 UTC
Last seen:2025-05-09 06:40:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3W2XOaYDyDtQXtUxPdpDMY/ylbmfl8c1q:3saY0QXtUxP/z/ylyf6
TLSH T16F443F2A6B619FB7E81ECD3305E94501248CA24A62D92F7FB6B4C618F78BD4F44D3C94
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
94
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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681c610691991ead82b6191blinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/681c60550b64e174c41d6069/reports/ffc29efe-f62c-4f7a-bd05-151647969a7f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fadb440d-7058-4a78-b064-6c437f0d7f2b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1684100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1684100 Sample: kt3.elf Startdate: 08/05/2025 Architecture: LINUX Score: 64 14 109.202.202.202, 80 INIT7CH Switzerland 2->14 16 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->16 18 2 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 kt3.elf 2->8         started        signatures3 process4 process5 10 kt3.elf 8->10         started        process6 12 kt3.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-08 07:42:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v57gnmcrfqpkzgyy4zrwxci336vbyqyk2x4yarwf3gxvp42w2bua._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250508-jjq4tsck2y/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/70b8c01a-22d5-438f-8fac-c3037f3b629a
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/af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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 af7e66b0512c1eac9b18e6636b891bdfaa1c430ad5f98046c5d9af57f356d068

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532686/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3531149/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments