MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6
SHA3-384 hash: 6ef7734b34205a856daea0e96902e50638ee8bfa5fd1f397888e2311c08e0d285079544056ef7f023ce838a3f072ddc5
SHA1 hash: d88bcdb74837ae121d1c2ce7f333cf55dde2929c
MD5 hash: afdd9211c22a2390f270113488127c50
humanhash: virginia-lake-whiskey-triple
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:62'988 bytes
First seen:2026-08-18 19:59:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:jV2iRhw3ME86gwXoMhYw8Dxj6ON9a25N+Qf+OS4cvnouy8DMxS:jVbRhwcNwV8DxRf924koutDMQ
TLSH T13A5302A8CE94078CD99E467316FE368B6900530CC26946FFFC7A16391850EAD261A1FB
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) :62'988 bytes
File size (de-compressed) :144'796 bytes
Format:linux/i386
Unpacked file: ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ab877129-7b6a-428e-9fa5-a6f125a961e8/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Changes access rights for a written file
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Connection attempt
Sets a written file as executable
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
19
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d7f79a85-cfac-49fb-bb16-5bfa222ecb75
Behavior Graph:
Download SVG
%3 guuid=240cf5eb-1b00-0000-0400-2f2ccc090000 pid=2508 /usr/bin/sudo guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516 /tmp/sample.bin delete-file net write-config write-file guuid=240cf5eb-1b00-0000-0400-2f2ccc090000 pid=2508->guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f35f5cf0-1b00-0000-0400-2f2cd9090000 pid=2521 /usr/bin/dash guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=f35f5cf0-1b00-0000-0400-2f2cd9090000 pid=2521 execve guuid=14e48cf0-1b00-0000-0400-2f2cda090000 pid=2522 /usr/bin/dash guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=14e48cf0-1b00-0000-0400-2f2cda090000 pid=2522 execve guuid=7e5f7ff5-1b00-0000-0400-2f2ceb090000 pid=2539 /usr/bin/chattr zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=7e5f7ff5-1b00-0000-0400-2f2ceb090000 pid=2539 execve guuid=483c84f5-1b00-0000-0400-2f2cec090000 pid=2540 /usr/bin/chattr zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=483c84f5-1b00-0000-0400-2f2cec090000 pid=2540 execve guuid=25f188f5-1b00-0000-0400-2f2cee090000 pid=2542 /usr/bin/chattr zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=25f188f5-1b00-0000-0400-2f2cee090000 pid=2542 execve guuid=51c78cf5-1b00-0000-0400-2f2cef090000 pid=2543 /usr/bin/busybox zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=51c78cf5-1b00-0000-0400-2f2cef090000 pid=2543 execve guuid=936b90f5-1b00-0000-0400-2f2cf0090000 pid=2544 /usr/bin/busybox zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=936b90f5-1b00-0000-0400-2f2cf0090000 pid=2544 execve guuid=026e98f5-1b00-0000-0400-2f2cf1090000 pid=2545 /usr/bin/busybox zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=026e98f5-1b00-0000-0400-2f2cf1090000 pid=2545 execve guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546 /tmp/sample.bin net send-data zombie guuid=7abfedee-1b00-0000-0400-2f2cd4090000 pid=2516->guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546 clone guuid=afec33f1-1b00-0000-0400-2f2cdd090000 pid=2525 /usr/bin/dash guuid=14e48cf0-1b00-0000-0400-2f2cda090000 pid=2522->guuid=afec33f1-1b00-0000-0400-2f2cdd090000 pid=2525 clone guuid=10e93ff1-1b00-0000-0400-2f2cde090000 pid=2526 /usr/bin/dash guuid=14e48cf0-1b00-0000-0400-2f2cda090000 pid=2522->guuid=10e93ff1-1b00-0000-0400-2f2cde090000 pid=2526 clone guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=555a67f6-1b00-0000-0400-2f2cf5090000 pid=2549 /tmp/sample.bin guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546->guuid=555a67f6-1b00-0000-0400-2f2cf5090000 pid=2549 clone guuid=8a4c6bf6-1b00-0000-0400-2f2cf6090000 pid=2550 /tmp/sample.bin guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546->guuid=8a4c6bf6-1b00-0000-0400-2f2cf6090000 pid=2550 clone guuid=f30470f6-1b00-0000-0400-2f2cf7090000 pid=2551 /tmp/sample.bin guuid=ab319cf5-1b00-0000-0400-2f2cf2090000 pid=2546->guuid=f30470f6-1b00-0000-0400-2f2cf7090000 pid=2551 clone
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67cf2258-b314-4693-8d12-b6a3de37617b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959942
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: 1959942 Sample: putita.x86.elf Startdate: 18/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 49636, 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.x86.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.x86.elf sh 9->13         started        15 putita.x86.elf sh 9->15         started        17 putita.x86.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.x86.elf 20->30         started        32 putita.x86.elf 20->32         started        34 putita.x86.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.N8Mf6V, 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/33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-08-18 20:01:02 UTC
File Type:
ELF32 Little (SO)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=go4fd4xfwx4xco7se2vm2femmwkxy4invitw7bgafdgy7pusuhda._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
command_and_control defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-yqplxagn7s/
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
Outbound SSH connection to public host
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/33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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 33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6

(this sample)

Mirai

elf ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8

  
URLhaus
https://urlhaus.abuse.ch/url/3892146/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8
  
Dropping
MD5 e804021f6d5bb19888cf87700aa14eb6

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