MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b972934f1394eae72964b3f04c46274261545ae8228eb486cde8c3e412e08cc3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: b972934f1394eae72964b3f04c46274261545ae8228eb486cde8c3e412e08cc3
SHA3-384 hash: c9133bec1ddc3fd3db4a494648a21eaeda6001e38763705ba79443467c35df3bbfc0c9fb230f5fc984fd3ccef316d4ed
SHA1 hash: 3e8cb8fc862e28d2aba17c84f73656d88d42e065
MD5 hash: 55268f23700ed01d2547821203b47cdb
humanhash: nitrogen-idaho-bluebird-salami
File name:kitty.armv6l
Download: download sample
Signature Mirai
File size:67'132 bytes
First seen:2025-08-17 09:15:00 UTC
Last seen:2025-08-20 22:23:11 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:8xVAiZVw6+kOShHG7nNbFKOCD5sNqL+iMkBb6pMbvm/OF9CIr:8/zZVw6+k9hHEpCD55ic6aigL
TLSH T13163F955F580CB32C6D1267AFB5E428C33130B78D3DA3206DD249B3967EBA564F3A906
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 :
4
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Status:
terminated
Behavior Graph:
%3 guuid=a3589b31-1b00-0000-de14-a647c90d0000 pid=3529 /usr/bin/sudo guuid=adadff33-1b00-0000-de14-a647ca0d0000 pid=3530 /tmp/sample.bin guuid=a3589b31-1b00-0000-de14-a647c90d0000 pid=3529->guuid=adadff33-1b00-0000-de14-a647ca0d0000 pid=3530 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758783 Sample: kitty.armv6l.elf Startdate: 17/08/2025 Architecture: LINUX Score: 52 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 noname-3d45fa2f.online 66.78.40.221, 34590, 34592, 9080 QUICKPACKETUS United States 2->19 21 daisy.ubuntu.com 2->21 23 Multi AV Scanner detection for submitted file 2->23 8 kitty.armv6l.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 kitty.armv6l.elf 8->12         started        process6 14 kitty.armv6l.elf 12->14         started        signatures7 25 Sample deletes itself 14->25
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-16 07:18:11 UTC
File Type:
ELF32 Little (SO)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Unexpected DNS network traffic destination
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:elf_arm_mips_ko_so
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 b972934f1394eae72964b3f04c46274261545ae8228eb486cde8c3e412e08cc3

(this sample)

  
Delivery method
Distributed via web download

Comments