MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d
SHA3-384 hash: 77da6381a85a69dd2c766406a4b0c44a552c0b2cee9db98a7af966adca04ca0c03eead0bd8abcfafbe54734c596c59f3
SHA1 hash: b1cb485b1c4ed49c3973b1b9fdac0798ea23e105
MD5 hash: b6eb90e2b10be39a3b6074e16e6f8e8d
humanhash: cold-snake-snake-bakerloo
File name:kt3
Download: download sample
Signature Mirai
Create hunting rule
File size:115'392 bytes
First seen:2025-05-06 23:33:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4bx/IJ54WeEtFys07VT/W1LHt/hFMpWWK:iBIJ54We9e/sM
TLSH T15AB397796BB19EBBEC1ACD73059D1502218DA24D52DA2F6FFAA0C518E38BD4F44E3C44
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
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=681a9cf4432e243ac3e4bd43linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681a9c6f0b64e174c41ad628/reports/115d9b7c-2322-45ba-ab22-948dfeb03702/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/b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d
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/c0ae981a-88b3-4a3c-b01c-da0ed15774f5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1682794
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: 1682794 Sample: kt3.elf Startdate: 07/05/2025 Architecture: LINUX Score: 72 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 j48asd.dns.army 1.1.1.1, 8856 CLOUDFLARENETUS Australia 2->22 24 3 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 kt3.elf 2->8         started        signatures3 process4 process5 10 kt3.elf 8->10         started        process6 12 kt3.elf 10->12         started        14 kt3.elf 10->14         started        16 kt3.elf 10->16         started        18 12 other processes 10->18
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-06 23:34:09 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=wbxvdck7g4kfebl2nd76kxmkchdgk25vm4u7achr7mn5zd6bx4wq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250506-3kelzadk5x/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/2a23f386-25a1-4150-b97c-768e7b0f89c6
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/b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d

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: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 b06f51895f371452057a68ffe55d8a11c6656bb56729f008f1fb1bdc8fc1bf2d

(this sample)

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

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