MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f. 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: 0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f
SHA3-384 hash: d61f1027af6ddc0325f8578048db369f742f4aa2b466cdac4baa1a9ad176977baadfffb06a9340b4391cb5eade7f078f
SHA1 hash: 863575dea27bd7e3f543bd8be77b64edae7feed3
MD5 hash: b34611c67ace6c32c32d44efaa7fb65b
humanhash: ink-venus-fanta-kansas
File name:putita.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:53'736 bytes
First seen:2026-07-19 14:25:51 UTC
Last seen:2026-07-20 09:53:43 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 768:J+0HTjQRSHT4k1KQB0sLCf64+GxOEbC4v54to3+fgQl2MX6W2/rTcKmVriissHpe:USQRSxKQBkf5BOEbJ54tEuxX528f7f4
TLSH T15D3302841D7DF691F74935B9EABB83430A92DDB5C2A93AF1304C3929479105FF3A91C4
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) :53'736 bytes
File size (de-compressed) :120'232 bytes
Format:linux/arm
Unpacked file: becb06a6690d4066674d9d67a2589d29e8667700d640dd1c5bfa862c23d7103f

Intelligence

File Origin
# of uploads :
3
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/22fbc814-c24e-46cd-8c07-fe51221488fe/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a5cde941f822a7412daaa32/reports/674c0bb9-48cc-4d7f-9cd9-08e96fe79c92/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f
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:
2026-07-19T11:38:00Z UTC
Last seen:
2026-07-19T12:06:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vn
Link:
https://opentip.kaspersky.com/0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7b70a2b6-fb9f-4293-a155-d6b17c8de154
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/21b9b77f-2425-4c9a-9b68-5b5f9485688a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1944796
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944796 Sample: putita.arm.elf Startdate: 19/07/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 43968, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 9 putita.arm.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 61 Sample tries to set files in /etc globally writable 9->61 63 Sample tries to persist itself using /etc/profile 9->63 65 Drops files in suspicious directories 9->65 67 3 other signatures 9->67 13 putita.arm.elf sh 9->13         started        15 putita.arm.elf sh 9->15         started        17 putita.arm.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.arm.elf 20->30         started        32 putita.arm.elf 20->32         started        34 putita.arm.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.vhgarq, ASCII 22->39 dropped 57 Sample tries to persist itself using cron 22->57 59 Executes the "crontab" command typically for achieving persistence 22->59 36 sh crontab 26->36         started        signatures11 process12 signatures13 55 Executes the "crontab" command typically for achieving persistence 36->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-07-19 14:26:34 UTC
File Type:
ELF32 Little (SO)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ard3eblw5643ctflzghol2rkn2u66ql5vslcylrxekwdmtgxerpq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260719-rr5k7acx4r/
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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/0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f

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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 0447b20576efb9b14cabc98ee5ea2a6ea9ef417dac962c2e3722ac364cd7245f

(this sample)

Mirai

elf becb06a6690d4066674d9d67a2589d29e8667700d640dd1c5bfa862c23d7103f

  
URLhaus
https://urlhaus.abuse.ch/url/3885286/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 becb06a6690d4066674d9d67a2589d29e8667700d640dd1c5bfa862c23d7103f
  
Dropping
MD5 74538ce9ee84bc191e31508a1f095d23

Comments