MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 807ff5f5f8287af5e32bc184dffff438f87e856b207d5860f7d2d6fc95a8b5bb. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 807ff5f5f8287af5e32bc184dffff438f87e856b207d5860f7d2d6fc95a8b5bb
SHA3-384 hash: c6761c21109286e9dded7c40558d63063fe58d41c2d5a26512f9c954915106ece40af77169ebf1602e13f5e81c91feed
SHA1 hash: 19b33fe59ab717dd787c7b13ece0e12ee59a962d
MD5 hash: 9e55bd83cd00769bedd63fcdac6ce8bf
humanhash: nuts-idaho-august-eighteen
File name:putita.arm5
Download: download sample
Signature Mirai
File size:57'784 bytes
First seen:2026-07-18 19:28:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:OY2StSuO8ksOgNdlK/MuESAxs9CU9DuL9XXObzfb:O1ExfksO+lCMuELs9CtLx+PT
TLSH T16843F1F05315895AEB211D32C1B5CF428B52C37E6A5C23B44916868C7A9588EA3DAF8F
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 UPX
File size (compressed) :57'784 bytes
File size (de-compressed) :132'552 bytes
Format:linux/arm
Unpacked file: b81541b461d90fd82a6f15db387b00d4562556c6880be44daae581ad8857696b

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
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
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:
2026-07-18T15:52:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=5ea51928-1900-0000-bb00-0ad6ad0d0000 pid=3501 /usr/bin/sudo guuid=dc8aa52a-1900-0000-bb00-0ad6b30d0000 pid=3507 /tmp/sample.bin guuid=5ea51928-1900-0000-bb00-0ad6ad0d0000 pid=3501->guuid=dc8aa52a-1900-0000-bb00-0ad6b30d0000 pid=3507 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: 1944669 Sample: putita.arm5.elf Startdate: 18/07/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 59902, 59904, 59906 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 9 putita.arm5.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.arm5.elf sh 9->13         started        15 putita.arm5.elf sh 9->15         started        17 putita.arm5.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.arm5.elf 20->30         started        32 putita.arm5.elf 20->32         started        34 putita.arm5.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.2v3F1j, 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:
  5/10
Tags:
upx
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: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 807ff5f5f8287af5e32bc184dffff438f87e856b207d5860f7d2d6fc95a8b5bb

(this sample)

  
Delivery method
Distributed via web download

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