MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 141f71036a1838fd83fb93e045d6db0bab705b319993a2f203dbd08fb58f8a5e. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash: 141f71036a1838fd83fb93e045d6db0bab705b319993a2f203dbd08fb58f8a5e
SHA3-384 hash: 53b9ea7a5a9dc9e30d7d8fd67425792ea49c135eced5a9592ec6768516c84b7d1afeda871c535aed38399484e6489b9d
SHA1 hash: 664473e0fbf2f736e604a299052442a00eaeb34f
MD5 hash: 47870d7e777935655da1ba4a7bb9a6a0
humanhash: solar-fix-venus-jersey
File name:putita.arm6
Download: download sample
Signature Mirai
File size:85'892 bytes
First seen:2026-08-23 18:37:00 UTC
Last seen:2026-08-23 21:00:24 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:qczW+nvZ0MPbHhpYqRFt/NYRdU6ZzJHNOr3704imtOKltQlmlDnNxNGYfu:LjR0+bBpYEFkRC6ZdHNOr3I4imwKlRDW
TLSH T1298302239DE73C1BE4F82472F16A43A28606A33DC6F65A3E6311538479437E5DE314B8
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :85'892 bytes
File size (de-compressed) :194'220 bytes
Format:linux/arm
Unpacked file: e735b27a54023fd052ba319b3782fbb62dd120707d91ca0334e7ee69f80c4463

Intelligence


File Origin
# of uploads :
2
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Receives data from a server
Creating a file
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Status:
terminated
Behavior Graph:
%3 guuid=ef8b0708-1900-0000-0343-47d9bd0b0000 pid=3005 /usr/bin/sudo guuid=8b21c50c-1900-0000-0343-47d9cc0b0000 pid=3020 /tmp/sample.bin guuid=ef8b0708-1900-0000-0343-47d9bd0b0000 pid=3005->guuid=8b21c50c-1900-0000-0343-47d9cc0b0000 pid=3020 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962420 Sample: putita.arm6.elf Startdate: 23/08/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 36078, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 9 putita.arm6.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.arm6.elf sh 9->13         started        15 putita.arm6.elf sh 9->15         started        17 putita.arm6.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.arm6.elf 20->30         started        32 putita.arm6.elf 20->32         started        34 putita.arm6.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.kpRehP, 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
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
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.

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
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
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:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 141f71036a1838fd83fb93e045d6db0bab705b319993a2f203dbd08fb58f8a5e

(this sample)

  
Delivery method
Distributed via web download

Comments