MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c
SHA3-384 hash: c8977dab15a03c92b7af7bb0b22ddce81b9bffabbe3febdec94c3a46079425e3ba3be732848909d2cbbc83baffba9315
SHA1 hash: 0e565f3978e1a641db9ce3899017badff0d43542
MD5 hash: 799364fc7130bdff64cff395ee5862dd
humanhash: connecticut-mango-march-cup
File name:pmips
Download: download sample
Signature Mirai
Create hunting rule
File size:40'300 bytes
First seen:2026-08-13 01:33:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:G3RmOA0oSbe3sZah9czhDf7Fb71c6CEPdaWsrGEoJgGlzDpbuR1Jw0:G3IO83ZYzhz7d7jcdGvVJuq0
TLSH T1DE03E168410455DAD89ED3B91A9033F3682236676562DB063B43E3B1ACDB6C538D3FE0
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) :40'300 bytes
File size (de-compressed) :107'264 bytes
Format:linux/mips
Unpacked file: 0ade487718f7253ecd1e325ad9adeb09701289999a05412e94a3a01c02e701b8

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5333bf9e-2a12-4878-ba1e-df756975098f/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Locks files
Runs as daemon
Creating a file
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a7d1f200f83c60f31090a3d/reports/1fb4c43d-7790-4dfd-b666-0e8f2a122252/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
44
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 31.77.227.121:18129
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ad8a4072-bc10-4ef6-8daf-f02c092e0f8c
Behavior Graph:
Download SVG
%3 guuid=a6412699-1900-0000-b1c4-58dde8080000 pid=2280 /usr/bin/sudo guuid=60984e9c-1900-0000-b1c4-58dde9080000 pid=2281 /tmp/sample.bin guuid=a6412699-1900-0000-b1c4-58dde8080000 pid=2280->guuid=60984e9c-1900-0000-b1c4-58dde9080000 pid=2281 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9512eb23-c7f0-4d51-ae10-50d759f3713b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-13 02:10:43 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rt5zum65tzapdejmsmzlshbtbdsklgedqjg47wiaxsimq3xh36oa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260813-bza4jshm7x/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
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
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
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 8cfb9a33dd9e40f1912c9332b91c3308e4a59883824dcfd900bc90c86ee7df9c

(this sample)

Mirai

elf 0ade487718f7253ecd1e325ad9adeb09701289999a05412e94a3a01c02e701b8

  
URLhaus
https://urlhaus.abuse.ch/url/3902564/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0ade487718f7253ecd1e325ad9adeb09701289999a05412e94a3a01c02e701b8
  
Dropping
MD5 9df68a27153fb6f1d937bc5a23cdc83a

Comments