MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2
SHA3-384 hash: cf920d07645d8fd74d89cf9e9899f4483619660696f0e8d9aee729757e7457dcd5e1918cfc01f9b94b771fdb98a7f564
SHA1 hash: ff3c1a3390d974f38973209e48ae8b62e0e4d146
MD5 hash: db43e871868c51eb13607bccdd3e8161
humanhash: white-arkansas-lake-minnesota
File name:putita.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:57'784 bytes
First seen:2026-07-18 20:07:38 UTC
Last seen:2026-07-18 22:36:47 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:OY2StSuO8ksOgNdlK/MuESAxs9CU9DuL9XZ4aArfv:O1ExfksO+lCMuELs9CtLxZy3
TLSH T10643F2F093188E69EB111C31C1659E42875283BD5A5D27B04A15878C7E96C8FF3DBE8F
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: 1ad7dfd90e4928dcf285956e5fa3af23f14d7166d8deca9b82ab26532e734894

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2ff719ee-8190-4f26-98b1-1bf12ca22411/
Detection(s):
SecuriteInfo.com.Linux.Siggen.13557.15683.1269.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Connection attempt
Sets a written file as executable
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
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
Link:
https://www.filescan.io/uploads/6a5bdd12fe7545a60e63c000/reports/8fdafcfa-c28d-41d2-82fe-d4857118dfe4/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-18T16:12:00Z UTC
Last seen:
2026-07-19T02:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aa69cfd9-464a-4c59-b72a-0ca63b25ace9
Behavior Graph:
Download SVG
%3 guuid=18b6a57f-1800-0000-b340-f601570c0000 pid=3159 /usr/bin/sudo guuid=30c51782-1800-0000-b340-f601590c0000 pid=3161 /tmp/sample.bin guuid=18b6a57f-1800-0000-b340-f601570c0000 pid=3159->guuid=30c51782-1800-0000-b340-f601590c0000 pid=3161 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/91365a16-1c00-4cba-b247-0572b07980ef
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1944677
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: 1944677 Sample: putita.arm.elf Startdate: 18/07/2026 Architecture: LINUX Score: 80 53 64.89.163.215, 60646, 60648, 60650 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->53 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 3 other IPs or domains 2->57 59 Sample is packed with UPX 2->59 9 putita.arm.elf 2->9         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 file5 43 /usr/lib/kworker-helper, ELF 9->43 dropped 45 /root/.bashrc, ASCII 9->45 dropped 47 /etc/systemd/system/kworker-helper.service, ASCII 9->47 dropped 49 3 other malicious files 9->49 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 17 putita.arm.elf sh 9->17         started        19 putita.arm.elf sh 9->19         started        21 putita.arm.elf chattr 9->21         started        24 6 other processes 9->24 signatures6 process7 signatures8 26 sh crontab 17->26         started        30 sh 17->30         started        32 sh crontab 19->32         started        61 Protects files from modification 21->61 34 putita.arm.elf 24->34         started        36 putita.arm.elf 24->36         started        38 putita.arm.elf 24->38         started        process9 file10 51 /var/spool/cron/crontabs/tmp.hRkS75, ASCII 26->51 dropped 73 Sample tries to persist itself using cron 26->73 75 Executes the "crontab" command typically for achieving persistence 26->75 40 sh crontab 30->40         started        signatures11 process12 signatures13 63 Executes the "crontab" command typically for achieving persistence 40->63
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=itayu4uqytqd3ksoejdyx64unrul6sljmokmbnmhv53gix5242za._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260718-ywc53aex3z/
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:
0.23
Link:
https://yomi.yoroi.company/submissions/44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2

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 44c18a7290c4e03daa4e22478bfb946c68bf49696394c0b587af76645fbae6b2

(this sample)

Mirai

elf 1ad7dfd90e4928dcf285956e5fa3af23f14d7166d8deca9b82ab26532e734894

  
URLhaus
https://urlhaus.abuse.ch/url/3885286/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1ad7dfd90e4928dcf285956e5fa3af23f14d7166d8deca9b82ab26532e734894
  
Dropping
MD5 d1ecce9cdb0247a76a5f1d5a038fa7b8

Comments