MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265
SHA3-384 hash: d1a24dc8b60a6a052a76e70c5c584a7a628b84d112487cf622207291e252e827fd1a088df1c34c95fc734cd497aadf19
SHA1 hash: a81d5076a778933b13d466d2d93f74a3ffe9f22f
MD5 hash: 8f70c445cf6dbb57e734d6585a8236e3
humanhash: social-music-eight-carpet
File name:putita.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:84'444 bytes
First seen:2026-08-06 05:22:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:9QcJxDX1TerJ3qhiSIg5HRWKhEhfEguP0zFO8zPsmOVnBz1gzrR8wDDbeQj:9rPX1TerQTIg5gK21E7szDHOngrR8Y3
TLSH T19D83028B8E3A8624DCA3A5F65643D486FA87112AFCFCF70ED0A4D407793941485E5D8F
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :84'444 bytes
File size (de-compressed) :185'236 bytes
Format:linux/mips
Unpacked file: f6e8cb9abc9d355c15971547ccf7bb0e0eafad617e38582d29fef2cd6df3f1da

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/06342b08-7218-4bb0-9798-26c69149c153/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Sends data to a server
Creating a file
Receives data from a server
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a741a537a11686dd5075c6c/reports/c7fb7e62-e9e2-44a1-9fae-7dc003239a9d/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7124732a-f411-4bb1-a10b-5547029c93b7
Behavior Graph:
Download SVG
%3 guuid=c2a796eb-1600-0000-4734-91bc980d0000 pid=3480 /usr/bin/sudo guuid=510b76ee-1600-0000-4734-91bc9e0d0000 pid=3486 /tmp/sample.bin guuid=c2a796eb-1600-0000-4734-91bc980d0000 pid=3480->guuid=510b76ee-1600-0000-4734-91bc9e0d0000 pid=3486 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3749ae34-78fc-4b7c-92be-efa06f349d99
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1953107
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1953107 Sample: putita.mips.elf Startdate: 06/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Mirai 2->55 57 Sample is packed with UPX 2->57 9 putita.mips.elf 2->9         started        signatures3 process4 file5 41 /usr/lib/kworker-helper, ELF 9->41 dropped 43 /root/.bashrc, ASCII 9->43 dropped 45 /etc/systemd/system/kworker-helper.service, ASCII 9->45 dropped 47 3 other malicious files 9->47 dropped 65 Sample tries to set files in /etc globally writable 9->65 67 Sample tries to persist itself using /etc/profile 9->67 69 Drops files in suspicious directories 9->69 71 3 other signatures 9->71 13 putita.mips.elf sh 9->13         started        15 putita.mips.elf sh 9->15         started        17 putita.mips.elf chattr 9->17         started        20 6 other processes 9->20 signatures6 process7 signatures8 22 sh crontab 13->22         started        26 sh 13->26         started        28 sh crontab 15->28         started        51 Protects files from modification 17->51 30 putita.mips.elf 20->30         started        32 putita.mips.elf 20->32         started        34 putita.mips.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.EtytJj, ASCII 22->39 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 36 sh crontab 26->36         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 36->59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wm2wmul6kwannuqyoum5xfwlwzioytbra5e4u7sv7b6u5kub6jsq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260806-f3dfastfne/
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/b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265

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
Create hunting rule
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: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 b33566517e5580d6d2187519db96cbb650ec4c310749ca7e55f87d4eaa81f265

(this sample)

Mirai

elf f6e8cb9abc9d355c15971547ccf7bb0e0eafad617e38582d29fef2cd6df3f1da

  
URLhaus
https://urlhaus.abuse.ch/url/3885290/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 f6e8cb9abc9d355c15971547ccf7bb0e0eafad617e38582d29fef2cd6df3f1da
  
Dropping
MD5 108e6dea4f099fc49ebe9bfc03c6a4e5
  
URLhaus
https://urlhaus.abuse.ch/url/3892123/
  
URLhaus
https://urlhaus.abuse.ch/url/3892137/

Comments