MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b03bee1c7d48b7a8060ac465caeea9da0ee042952a441b997cf780b4a57c2984. 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 7 File information Comments

SHA256 hash: b03bee1c7d48b7a8060ac465caeea9da0ee042952a441b997cf780b4a57c2984
SHA3-384 hash: f9f099cad1e053ba0cd9a8bd3b7469a9b6a3c20b69f72e45ef454297bb8172913de93bee9055c427913210b2d2ed7fcf
SHA1 hash: 9fd2c45ac3b4cd4e72dad12cb2ad79a348232b76
MD5 hash: aceffb200b84658247e1fc572c15dbd0
humanhash: georgia-wyoming-stream-snake
File name:kt6
Download: download sample
Signature Mirai
File size:95'656 bytes
First seen:2025-05-07 01:24:57 UTC
Last seen:2025-05-07 07:36:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Q0nUiUvRTcBv9YicyuNMm6afQijD4EYAXTggJdVVn0MhitjVD2OybEp:7UpTcBv9Y1froijzYob+jVD2Oyba
TLSH T12E93954DE964A729C7E273FEF66912CE323B0B9CB7EA71219E314B523BC5B516434120
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
127
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
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
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682821 Sample: kt6.elf Startdate: 07/05/2025 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 Malicious sample detected (through community Yara rule) 2->20 22 Antivirus / Scanner detection for submitted sample 2->22 24 Yara detected Mirai 2->24 8 kt6.elf 2->8         started        signatures3 process4 process5 10 kt6.elf 8->10         started        process6 12 kt6.elf 10->12         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-07 01:25:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Changes its process name
Please note that we are no longer able to provide a coverage score for Virus Total.

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_d2dca9e7
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 b03bee1c7d48b7a8060ac465caeea9da0ee042952a441b997cf780b4a57c2984

(this sample)

  
Delivery method
Distributed via web download

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