MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a65211cd909a1bf9ad9c528f9e49915dda62eb23d104d5f56772cedfefc9656e. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: a65211cd909a1bf9ad9c528f9e49915dda62eb23d104d5f56772cedfefc9656e
SHA3-384 hash: e584ba52dcdf291ddf931a0c4bbb6e7a5d1fcb1ee8b4c764bca3c8d68293f0c0ffe318860e113965331d71d69163ca7e
SHA1 hash: de0b1302319342744683c899e706362587609f3b
MD5 hash: 0f5580bed510a3c7f106c7b43c05f67f
humanhash: saturn-winter-maryland-cold
File name:kurayami.mips
Download: download sample
Signature Mirai
File size:73'728 bytes
First seen:2026-04-01 09:38:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:w0B3b87urwemjU1Fh+V3z6HdTSPzy4JTJeSesSg0uqAvyigVJu5:wwweV+VGHdTyf3esTqlZVQ5
TLSH T1027302BC070498DECD607AF782BA4B521F410DB910C6DD40E9A6EA622EC71743DD7AE5
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) :73'728 bytes
File size (de-compressed) :238'492 bytes
Format:linux/mips
Unpacked file: 32ba126d855ad1e5485f461d4ad2fd2f94409d9abfa05cd403c49e694e4ba6a1

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
37
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=054d00b6-1b00-0000-c54d-235c0c0c0000 pid=3084 /usr/bin/sudo guuid=bc05edb7-1b00-0000-c54d-235c0e0c0000 pid=3086 /tmp/sample.bin guuid=054d00b6-1b00-0000-c54d-235c0c0c0000 pid=3084->guuid=bc05edb7-1b00-0000-c54d-235c0e0c0000 pid=3086 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1891958 Sample: kurayami.mips.elf Startdate: 01/04/2026 Architecture: LINUX Score: 68 22 142.248.80.144, 55250, 55252, 6934 CITY-OF-MISSISSAUGACA Canada 2->22 24 daisy.ubuntu.com 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Gafgyt 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 kurayami.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 kurayami.mips.elf 8->12         started        14 kurayami.mips.elf 8->14         started        16 kurayami.mips.elf 8->16         started        process6 18 kurayami.mips.elf 12->18         started        20 kurayami.mips.elf 12->20         started       
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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 a65211cd909a1bf9ad9c528f9e49915dda62eb23d104d5f56772cedfefc9656e

(this sample)

  
Delivery method
Distributed via web download

Comments