MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e. 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: d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e
SHA3-384 hash: f1e51e89e764ab52dad6d5ca83e02e7a79cd38a82e5967275fef5457139b21ba4fdb1b37e9be0378d074b3f74dc6a6d3
SHA1 hash: d8ab8ee6628acc715ac87a39a57355f0f0628511
MD5 hash: 1c63082980cbbb2f9aba2b5179cace9a
humanhash: diet-aspen-single-fish
File name:putita.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:128'444 bytes
First seen:2026-08-05 05:20:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:R74ICbzNB9v9/KUMnZGIKgcYEEUInhMWTNwhR605cqv4NvF+6AuS5mf1Dlo:RsZvBArG/gcYEEUInhMWBw6icqeNjomQ
TLSH T1BAC32AA9F890DE52C6D526B6FB4E418C33231778C3DE7106CE149E3477FB95A0A3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 686f0876b8ae0677b03cf40b31f7431592ce271ee64a79c31467536044e69edf
File size (compressed) :59'348 bytes
File size (de-compressed) :128'444 bytes
Format:linux/arm
Packed file: 686f0876b8ae0677b03cf40b31f7431592ce271ee64a79c31467536044e69edf

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Virus.Ladvix-10013865-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Runs as daemon
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6a72c856b5c6d8f2bb15eb80/reports/790fd5d3-2e1f-461f-b58d-960d7d3325f8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
52
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e
Behaviour
Persistence
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:
2026-08-05T03:08:00Z UTC
Last seen:
2026-08-05T04:01:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ed08f89b-cfaf-4ccb-a6c0-2a3fd6a7d4df
Behavior Graph:
Download SVG
%3 guuid=8e0ae7d9-1600-0000-5bbd-7a55a60d0000 pid=3494 /usr/bin/sudo guuid=bd0e21dc-1600-0000-5bbd-7a55b00d0000 pid=3504 /tmp/sample.bin guuid=8e0ae7d9-1600-0000-5bbd-7a55a60d0000 pid=3494->guuid=bd0e21dc-1600-0000-5bbd-7a55b00d0000 pid=3504 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2b57bc2-6304-4b2e-ab9e-f52f037e49e9
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1952387
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
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: 1952387 Sample: putita.arm5.elf Startdate: 05/08/2026 Architecture: LINUX Score: 100 49 64.89.163.215, 36078, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 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 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 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.38iN1k, ASCII 22->39 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 36 sh crontab 26->36         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 36->59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 05:21:32 UTC
File Type:
ELF32 Little (SO)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2i5gkb2m26xy2g6l24ftqyxrvoiecjnrbmiiagfs25otp2zbzvha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260805-f17w5aea93/
Behaviour
Changes its process name
Modifies Bash startup script
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/d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 686f0876b8ae0677b03cf40b31f7431592ce271ee64a79c31467536044e69edf

Mirai

elf d23a65074cd7af8d1bcbd70b3862f1ab904125b10b108018b2d75d37eb21cd4e

(this sample)

  
Dropped by
SHA256 686f0876b8ae0677b03cf40b31f7431592ce271ee64a79c31467536044e69edf
  
Dropped by
MD5 c163b1aae7a684cde64062b304e5838a
  
URLhaus
https://urlhaus.abuse.ch/url/3892132/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892139/
  
URLhaus
https://urlhaus.abuse.ch/url/3885288/

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