MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbdaf2b8320212ab9d79a8dba7e85a31e33bdf591744bc9cacc1ebd94f22094a. 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: fbdaf2b8320212ab9d79a8dba7e85a31e33bdf591744bc9cacc1ebd94f22094a
SHA3-384 hash: 2f950668eda06d4437d1d267ec380409571848fbde6bc3870c11eaaf9f91c4ad8d840148e4e0512233c2bbcc3734feb2
SHA1 hash: 8c13e7dd34fc902b6506504f6c6248e1285c5ea7
MD5 hash: ee500d898f44b7e6416eab85a5ab57b4
humanhash: twelve-princess-crazy-kilo
File name:putita.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:83'412 bytes
First seen:2026-08-22 14:25:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:PI+8H2z1i12ruLltY+8jxQxgYDZPJ4Bsf5LT+LOtvuU6QedjU9fn:Pz8WzCiub72YNPJ4BQl+uuUR/
TLSH T1BA8302F440976DC5D2E53574A02DCB16A8C91835AEDA7B010CB079DDA7DF30722B2B5A
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :83'412 bytes
File size (de-compressed) :190'092 bytes
Format:linux/arm
Unpacked file: 6c2fa62fa9d554360f940702d7d5d66fb6a0e5ea847c1b7900b7563e58bb46b2

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/41939bcf-c310-4d75-875f-261c71edca38/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Opens a port
Creating a file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
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/6a89b18556fb9e3a839c515c/reports/c44e6358-9df5-47e9-bd99-6814bc28e6f2/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c47a23b5-6ace-4a69-901b-ca5931834739
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2fb8760-ccc4-4fe4-88e3-71e8b8ab328a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1962226
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: 1962226 Sample: putita.arm5.elf Startdate: 22/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 57750, 57752, 57754 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.9ZhSAU, 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/fbdaf2b8320212ab9d79a8dba7e85a31e33bdf591744bc9cacc1ebd94f22094a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbdaf2b8320212ab9d79a8dba7e85a31e33bdf591744bc9cacc1ebd94f22094a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7pnpfobsaijkxhlzvdn2p2c2ghrtxx2zc5clzhfmyhv5stzcbffa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260822-rrxwcavglg/
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
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 fbdaf2b8320212ab9d79a8dba7e85a31e33bdf591744bc9cacc1ebd94f22094a

(this sample)

Mirai

elf 6c2fa62fa9d554360f940702d7d5d66fb6a0e5ea847c1b7900b7563e58bb46b2

  
URLhaus
https://urlhaus.abuse.ch/url/3892132/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 6c2fa62fa9d554360f940702d7d5d66fb6a0e5ea847c1b7900b7563e58bb46b2
  
Dropping
MD5 9361046f4bfc0c495f0219c048e1cf76
  
URLhaus
https://urlhaus.abuse.ch/url/3885288/
  
URLhaus
https://urlhaus.abuse.ch/url/3892139/

Comments