MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38
SHA3-384 hash: c09b9781f6ccb9785a64ead766515af18cadca2789011a6c7b572cdfb9765ebbbb5fa3fe349b52e33bb55ed6ce0437b8
SHA1 hash: 9b13c7cae7bbc9977180a845931ff13e76f02333
MD5 hash: c2b38e1062f80088384e5714cdb74e49
humanhash: alanine-william-yellow-august
File name:putita.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:83'460 bytes
First seen:2026-08-05 19:24:44 UTC
Last seen:2026-08-06 18:48:15 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:vgQX1tYkQnWdsR/ZhOkPXUoDC1hWZoK7tp5gPc1dsOrMUeQo:vfSWAZPXRDCHkB7D5gPUsOrI
TLSH T13E83120FCB368E4EF47E01F60FD98E267A95DB051E589D6E80807A356771045E03EEA5
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :83'460 bytes
File size (de-compressed) :180'924 bytes
Format:linux/mips
Unpacked file: 99c94aabd8660c3927ad6182bb0a789866c950d654c93697c5bcbaef70388b7f

Intelligence

File Origin
# of uploads :
5
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1599f9a1-838f-4576-8731-01e4b958266f/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Creating a file
Creates or modifies symbolic links
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a738e30e4f1677d5a932131/reports/be6b32a5-35f1-42bd-928f-9698686cefab/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
17
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-05T16:45:00Z UTC
Last seen:
2026-08-06T19:22:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vn HEUR:Backdoor.Linux.Mirai.hv
Link:
https://opentip.kaspersky.com/550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b3369ed6-302e-4e41-b094-29fe957c671c
Behavior Graph:
Download SVG
%3 guuid=249ea14a-1700-0000-7587-d70fd50d0000 pid=3541 /usr/bin/sudo guuid=04e92d51-1700-0000-7587-d70fdc0d0000 pid=3548 /tmp/sample.bin guuid=249ea14a-1700-0000-7587-d70fd50d0000 pid=3541->guuid=04e92d51-1700-0000-7587-d70fdc0d0000 pid=3548 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6537a196-f904-4a38-a5ea-a91bf52d0f75
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1952954
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: 1952954 Sample: putita.mips.elf Startdate: 05/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 36078, 36080, 36082 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.1qHgTV, 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/550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 19:25:45 UTC
File Type:
ELF32 Big (SO)
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kufsadt43loqthaoktfnhjdz67ftu6fjntoif3zbxohw3vmhd44a._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260805-x49csseq6s/
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/550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38

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 550b200e7cdadd099c0e54cad3a479f7cb3a78a96cdc82ef21bb8f6dd5871f38

(this sample)

Mirai

elf 99c94aabd8660c3927ad6182bb0a789866c950d654c93697c5bcbaef70388b7f

  
URLhaus
https://urlhaus.abuse.ch/url/3892123/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892137/
  
Dropping
SHA256 99c94aabd8660c3927ad6182bb0a789866c950d654c93697c5bcbaef70388b7f
  
Dropping
MD5 2bf83d53b9a9677ec8eb417110d08ecd
  
URLhaus
https://urlhaus.abuse.ch/url/3885290/

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