MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe. 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: 2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe
SHA3-384 hash: 1f35e2f69ac8c053dfdcd871d61a519bea72e16776ebcaf0fbb24d0bd80d38e7949d918d6e700888d60d9df7f8dfbb3b
SHA1 hash: eff016037dcb14f8b0da55dff18a633a4cddd93a
MD5 hash: d48da23412b3011fd41ba2c23ac47a18
humanhash: oklahoma-saturn-hawaii-quiet
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:58'644 bytes
First seen:2026-07-19 15:46:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:t9wBLPgoiCPWOiCk8zdIIXKY5MXMlOJ4mInouy8DMB:nwBTMWWOg46IXHK8vmgoutDMB
TLSH T18C430192869BC448F59A52374CEFFF80A478A2417F39C28377046063A59036D7BDE43E
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) :58'644 bytes
File size (de-compressed) :136'572 bytes
Format:linux/i386
Unpacked file: dbbb7a38dddc74ce056363fb500a65a3d9f0ed1b93b6344915c1698090f5304e

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7463e007-0cdc-45fa-b751-3a765969b55e/
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
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a5cf191094d7407fa01bd80/reports/762bb722-151d-45b2-a5a7-f3ca71924a90/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
13
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe
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:
2026-07-19T13:00:00Z UTC
Last seen:
2026-07-19T18:06:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vn
Link:
https://opentip.kaspersky.com/2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9b56d0ab-6572-44da-a3b7-0d921b3302de
Behavior Graph:
Download SVG
%3 guuid=56c9489f-1800-0000-e6c4-d9d1920c0000 pid=3218 /usr/bin/sudo guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225 /tmp/sample.bin delete-file net write-config write-file guuid=56c9489f-1800-0000-e6c4-d9d1920c0000 pid=3218->guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=66bac5a2-1800-0000-e6c4-d9d19d0c0000 pid=3229 /usr/bin/dash guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=66bac5a2-1800-0000-e6c4-d9d19d0c0000 pid=3229 execve guuid=831254a3-1800-0000-e6c4-d9d1a00c0000 pid=3232 /usr/bin/dash guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=831254a3-1800-0000-e6c4-d9d1a00c0000 pid=3232 execve guuid=0e2838a4-1800-0000-e6c4-d9d1a40c0000 pid=3236 /usr/bin/chattr zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=0e2838a4-1800-0000-e6c4-d9d1a40c0000 pid=3236 execve guuid=3ec43ba4-1800-0000-e6c4-d9d1a50c0000 pid=3237 /usr/bin/chattr zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=3ec43ba4-1800-0000-e6c4-d9d1a50c0000 pid=3237 execve guuid=51653fa4-1800-0000-e6c4-d9d1a60c0000 pid=3238 /usr/bin/chattr zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=51653fa4-1800-0000-e6c4-d9d1a60c0000 pid=3238 execve guuid=0a0144a4-1800-0000-e6c4-d9d1a70c0000 pid=3239 /usr/bin/busybox zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=0a0144a4-1800-0000-e6c4-d9d1a70c0000 pid=3239 execve guuid=2f4147a4-1800-0000-e6c4-d9d1a80c0000 pid=3240 /usr/bin/busybox zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=2f4147a4-1800-0000-e6c4-d9d1a80c0000 pid=3240 execve guuid=31454ca4-1800-0000-e6c4-d9d1a90c0000 pid=3241 /usr/bin/busybox zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=31454ca4-1800-0000-e6c4-d9d1a90c0000 pid=3241 execve guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242 /tmp/sample.bin net send-data zombie guuid=02c7bda1-1800-0000-e6c4-d9d1990c0000 pid=3225->guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242 clone guuid=daf387a3-1800-0000-e6c4-d9d1a10c0000 pid=3233 /usr/bin/dash guuid=831254a3-1800-0000-e6c4-d9d1a00c0000 pid=3232->guuid=daf387a3-1800-0000-e6c4-d9d1a10c0000 pid=3233 clone guuid=931095a3-1800-0000-e6c4-d9d1a20c0000 pid=3234 /usr/bin/dash guuid=831254a3-1800-0000-e6c4-d9d1a00c0000 pid=3232->guuid=931095a3-1800-0000-e6c4-d9d1a20c0000 pid=3234 clone guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242->706d8119-5804-563f-93fb-1ad04086f3d8 send: 1316B guuid=74ac1ea5-1800-0000-e6c4-d9d1ab0c0000 pid=3243 /tmp/sample.bin guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242->guuid=74ac1ea5-1800-0000-e6c4-d9d1ab0c0000 pid=3243 clone guuid=ebd121a5-1800-0000-e6c4-d9d1ac0c0000 pid=3244 /tmp/sample.bin guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242->guuid=ebd121a5-1800-0000-e6c4-d9d1ac0c0000 pid=3244 clone guuid=221326a5-1800-0000-e6c4-d9d1ad0c0000 pid=3245 /tmp/sample.bin guuid=fd3a50a4-1800-0000-e6c4-d9d1aa0c0000 pid=3242->guuid=221326a5-1800-0000-e6c4-d9d1ad0c0000 pid=3245 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ee15cfb-3fe4-4fa9-9336-362ec3c9819a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1944801
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944801 Sample: putita.x86.elf Startdate: 19/07/2026 Architecture: LINUX Score: 80 53 64.89.163.215, 60648, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->53 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 3 other IPs or domains 2->57 59 Sample is packed with UPX 2->59 9 putita.x86.elf 2->9         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 file5 43 /usr/lib/kworker-helper, ELF 9->43 dropped 45 /root/.bashrc, ASCII 9->45 dropped 47 /etc/systemd/system/kworker-helper.service, ASCII 9->47 dropped 49 3 other malicious files 9->49 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 17 putita.x86.elf sh 9->17         started        19 putita.x86.elf sh 9->19         started        21 putita.x86.elf chattr 9->21         started        24 6 other processes 9->24 signatures6 process7 signatures8 26 sh crontab 17->26         started        30 sh 17->30         started        32 sh crontab 19->32         started        61 Protects files from modification 21->61 34 putita.x86.elf 24->34         started        36 putita.x86.elf 24->36         started        38 putita.x86.elf 24->38         started        process9 file10 51 /var/spool/cron/crontabs/tmp.Pc9pF6, ASCII 26->51 dropped 73 Sample tries to persist itself using cron 26->73 75 Executes the "crontab" command typically for achieving persistence 26->75 40 sh crontab 30->40         started        signatures11 process12 signatures13 63 Executes the "crontab" command typically for achieving persistence 40->63
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f45lc2u5h447mpwpt3bbdji2ypagzfe7sjjyno566a43saeeap7a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260719-s8f5lagv6t/
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.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe

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 2f3ab16a9d3f39f63ecf9ec211a51ac3c06c949f925386bbbef039b9008403fe

(this sample)

Mirai

elf dbbb7a38dddc74ce056363fb500a65a3d9f0ed1b93b6344915c1698090f5304e

  
URLhaus
https://urlhaus.abuse.ch/url/3885283/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 dbbb7a38dddc74ce056363fb500a65a3d9f0ed1b93b6344915c1698090f5304e
  
Dropping
MD5 2dd62af99cf90a2d002fc669c1eee69c

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