MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55fedd434e6d87e5847308fb32ee261f7f36397a7867a29f0f8afa3b38fd0c2e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55fedd434e6d87e5847308fb32ee261f7f36397a7867a29f0f8afa3b38fd0c2e
SHA3-384 hash: 74e0e5ad19bd8dcba1f1a12478a7922914386481dd46053adb8dbfe979a4889a4b8a692ea15b94f140a0d881de8786db
SHA1 hash: 03323c48a2584855ce6bb9bb1f65a54f3b14378a
MD5 hash: 4d54338edec7279d984cff336bf19412
humanhash: lactose-triple-cola-oklahoma
File name:putita.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:56'272 bytes
First seen:2026-08-16 19:42:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:orv5KMLJgSiZc+QYGBDlffgqSa1C3qbhVuSePNUFSzHfv:o75K2gS6c+EDlIa06tVKNU0n
TLSH T13843F2649E42E562D7CD0CF9F512E3016E044A79B5D3F7E054380B4ABFE724A363E868
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) :56'272 bytes
File size (de-compressed) :124'368 bytes
Format:linux/arm
Unpacked file: 3ffadff09762937c5ec1d4e28f3e7d793ce4f68f6d533677d1882a237fce2d2a

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ad68348c-345b-4341-bae6-2b77af42d253/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
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
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/288bd422-bfc1-45aa-9932-22da590618c4
Behavior Graph:
Download SVG
%3 guuid=8deac99f-1c00-0000-ab49-52d2200b0000 pid=2848 /usr/bin/sudo guuid=24744ca4-1c00-0000-ab49-52d2230b0000 pid=2851 /tmp/sample.bin guuid=8deac99f-1c00-0000-ab49-52d2200b0000 pid=2848->guuid=24744ca4-1c00-0000-ab49-52d2230b0000 pid=2851 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3abb4b98-8e32-4873-8e72-6bdc47b0beb0
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1958691
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
Multi AV Scanner detection for submitted file
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: 1958691 Sample: putita.arm5.elf Startdate: 16/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Sample is packed with UPX 2->55 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 63 Sample tries to set files in /etc globally writable 9->63 65 Sample tries to persist itself using /etc/profile 9->65 67 Drops files in suspicious directories 9->67 69 3 other signatures 9->69 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.CFaJZu, ASCII 22->39 dropped 59 Sample tries to persist itself using cron 22->59 61 Executes the "crontab" command typically for achieving persistence 22->61 36 sh crontab 26->36         started        signatures11 process12 signatures13 57 Executes the "crontab" command typically for achieving persistence 36->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/55fedd434e6d87e5847308fb32ee261f7f36397a7867a29f0f8afa3b38fd0c2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55fedd434e6d87e5847308fb32ee261f7f36397a7867a29f0f8afa3b38fd0c2e/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kx7n2q2onwd6lbdtbd5tf3rgd57tmol2pbt2fhyprl5dwoh5bqxa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260816-yffk9afe65/
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Removes the immutable protection flag from a file
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
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 55fedd434e6d87e5847308fb32ee261f7f36397a7867a29f0f8afa3b38fd0c2e

(this sample)

Mirai

elf 3ffadff09762937c5ec1d4e28f3e7d793ce4f68f6d533677d1882a237fce2d2a

  
URLhaus
https://urlhaus.abuse.ch/url/3892139/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3ffadff09762937c5ec1d4e28f3e7d793ce4f68f6d533677d1882a237fce2d2a
  
Dropping
MD5 a722e47032b8b0beab067ad018205604

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