MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41de5be9d1c94e67aa58a57596164d38b8d43f18684ead416f24ef1808a1f4f8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 41de5be9d1c94e67aa58a57596164d38b8d43f18684ead416f24ef1808a1f4f8
SHA3-384 hash: 51ffc35bf8588dea691ed319a8f77cff3dc938307ad5b43aa9af11b3a06ee449b6331fd5f5e9cc90e7ca52d166f330b1
SHA1 hash: eb78c8260cb94caa526b34683ce000f9c3851e5a
MD5 hash: 668b282dfb82bc4f248768d2f4e6e7ce
humanhash: burger-sweet-maine-bluebird
File name:k4
Download: download sample
Signature Mirai
File size:118'308 bytes
First seen:2025-04-22 20:27:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:OettGjqpzgFNoAGiQyvAbtyfndgCQVxq:OmjandA7q
TLSH T1F8C3B748FA54A72DC7E1B6FEEF5812CE33370B98B3EB39228E31065527C9B256535424
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the network activity
Creating a file
Kills processes
Sends data to a server
Substitutes an application name
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
56 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1671482 Sample: k4.elf Startdate: 22/04/2025 Architecture: LINUX Score: 56 31 197.152.227.99 airtel-tz-asTZ Tanzania United Republic of 2->31 33 197.213.1.110, 37215 ZAIN-ZAMBIAZM Zambia 2->33 35 98 other IPs or domains 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Connects to many ports of the same IP (likely port scanning) 2->39 9 k4.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 signatures3 process4 signatures5 43 Sample tries to kill multiple processes (SIGKILL) 9->43 18 k4.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 k4.elf 18->22         started        process8 24 k4.elf 22->24         started        27 k4.elf 22->27         started        29 k4.elf 22->29         started        signatures9 41 Sample tries to kill multiple processes (SIGKILL) 24->41
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-04-22 20:29:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (34960) amount of remote hosts
Creates a large amount of network flows
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
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 41de5be9d1c94e67aa58a57596164d38b8d43f18684ead416f24ef1808a1f4f8

(this sample)

  
Delivery method
Distributed via web download

Comments