MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff. 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

SHA256 hash: 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff
SHA3-384 hash: 0cb3574fee0c0e7fbdd01e4c9fd1480a63c4ad22214f7eec6d05889f775f435e77f8b6a22b09b54a118679d8e728663c
SHA1 hash: a5d4a4fc5263d06566a6745865bf1967ec1ea357
MD5 hash: d6e4a17d0c32cf7b94e351d4aaccb993
humanhash: early-purple-lake-bravo
File name:putita.arm7
Download: download sample
Signature Mirai
File size:46'276 bytes
First seen:2026-07-12 02:36:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 768:1Cl4xEN2MsH5l7X5HDjWZa4kLCdtnwCmY3vqhj2nLQS7R4S73U03wfP:1VB9lljjX4YEtvm+ywP7RpafP
TLSH T1D123F10123D82D10FAA8793F855DD845F5958FB863FA79235F28C8DE8AF191523B21CB
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) :46'276 bytes
File size (de-compressed) :107'968 bytes
Format:linux/arm
Unpacked file: b8445de08b5f8dc796f0e20a3df7ef4ff1e3c17c8241367e067a93b44541f469

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
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:
Suspicious
Threat level:
  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:
Unknown
File Type:
elf.32.le
First seen:
2026-07-11T23:42:00Z UTC
Last seen:
2026-07-12T20:15:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a2f6cc0d-1f00-0000-72ab-a3023f140000 pid=5183 /usr/bin/sudo guuid=700a3712-1f00-0000-72ab-a30240140000 pid=5184 /tmp/sample.bin guuid=a2f6cc0d-1f00-0000-72ab-a3023f140000 pid=5183->guuid=700a3712-1f00-0000-72ab-a30240140000 pid=5184 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: 1941087 Sample: putita.arm7.elf Startdate: 12/07/2026 Architecture: LINUX Score: 80 90 64.89.163.215, 44286, 44288, 44290 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->90 96 Sample is packed with UPX 2->96 14 putita.arm7.elf 2->14         started        18 systemd snap-failure 2->18         started        signatures3 process4 file5 82 /usr/lib/kworker-helper, ELF 14->82 dropped 84 /root/.bashrc, ASCII 14->84 dropped 86 /etc/systemd/system/kworker-helper.service, ASCII 14->86 dropped 88 3 other malicious files 14->88 dropped 100 Sample tries to set files in /etc globally writable 14->100 102 Sample tries to persist itself using /etc/profile 14->102 104 Drops files in suspicious directories 14->104 106 3 other signatures 14->106 20 putita.arm7.elf sh 14->20         started        22 putita.arm7.elf 14->22         started        24 putita.arm7.elf sh 14->24         started        30 6 other processes 14->30 26 snap-failure systemctl 18->26         started        28 snap-failure 18->28         started        signatures6 process7 signatures8 33 sh crontab 20->33         started        37 sh 20->37         started        39 putita.arm7.elf 22->39         started        41 putita.arm7.elf 22->41         started        43 putita.arm7.elf 22->43         started        45 sh crontab 24->45         started        98 Protects files from modification 30->98 process9 file10 80 /var/spool/cron/crontabs/tmp.TDuq3f, ASCII 33->80 dropped 92 Sample tries to persist itself using cron 33->92 94 Executes the "crontab" command typically for achieving persistence 33->94 47 sh crontab 37->47         started        50 putita.arm7.elf kworker-helper 39->50         started        52 putita.arm7.elf kworker-helper 39->52         started        signatures11 process12 signatures13 108 Executes the "crontab" command typically for achieving persistence 47->108 54 kworker-helper 50->54         started        56 kworker-helper 52->56         started        process14 process15 58 kworker-helper 54->58         started        60 kworker-helper 54->60         started        62 kworker-helper 54->62         started        64 kworker-helper 56->64         started        66 kworker-helper 56->66         started        68 kworker-helper 56->68         started        process16 70 kworker-helper kworker-helper 58->70         started        process17 72 kworker-helper 70->72         started        process18 74 kworker-helper 72->74         started        76 kworker-helper 72->76         started        78 kworker-helper 72->78         started       
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: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 1a200226e352bb22c9009bebcbaaabc755a3d56d03ba97152a7c6277c09ef8ff

(this sample)

  
Delivery method
Distributed via web download

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