MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f40e7d990ef4a2b9e7b3444eb480968ffa74b608779920e63ed5ac246825eedd. 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

SHA256 hash: f40e7d990ef4a2b9e7b3444eb480968ffa74b608779920e63ed5ac246825eedd
SHA3-384 hash: 7a154d4a531e36e281cb4c2f13b120b594af1fbf72f2d1070b26fdd30ab42182204a85c596cd70e185a472b6255649b0
SHA1 hash: fcf46cf2329eeb6c2c0d2c73db3bccdb93a90812
MD5 hash: 361b7cd3bef99ad60b9bd3129d107e63
humanhash: zulu-kitten-blue-butter
File name:armv7l
Download: download sample
Signature Mirai
File size:63'204 bytes
First seen:2026-04-24 05:51:27 UTC
Last seen:2026-05-29 22:20:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:0e+C6bEgNLnC1ie449ACfLxCXMyrbXqP184JN4ZzbozDxUzvA/EYuqKs4wDg/Fii:0ed6YgNLQ7X6vrbsKpGCvA/EY1YNcHBW
TLSH T13E530222F61AFE27E3D145BD2DCD541E12C358688266747B6A69C23CFD0124BB8B7387
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 UPX
File size (compressed) :63'204 bytes
File size (de-compressed) :178'216 bytes
Format:linux/arm
Unpacked file: bdb4abdc2eb1afa52c3b1fe1eeb9de151249329c9c23f95817c6ac8d632a00ae

Intelligence


File Origin
# of uploads :
3
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai packed soft-404 upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
5
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-24T03:15:00Z UTC
Last seen:
2026-04-24T03:40:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=72237538-1a00-0000-c1c6-488703090000 pid=2307 /usr/bin/sudo guuid=219a8c3a-1a00-0000-c1c6-488705090000 pid=2309 /tmp/sample.bin guuid=72237538-1a00-0000-c1c6-488703090000 pid=2307->guuid=219a8c3a-1a00-0000-c1c6-488705090000 pid=2309 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-24 05:52:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Behaviour
Reads runtime system information
Changes its process name
Family: Mirai
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f40e7d990ef4a2b9e7b3444eb480968ffa74b608779920e63ed5ac246825eedd

(this sample)

  
Delivery method
Distributed via web download

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