MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e. 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: bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e
SHA3-384 hash: 257f3673f231ee9f34dd02b5dbcdd02b736c0b20973ca532d6655b710e760676b68748b0e0720670f62a7a31cea388b9
SHA1 hash: 158cca13de437bf5cdfc82bcab6daa32dc859e22
MD5 hash: 3d3c5357a48ef54fc81aa930dbe5345b
humanhash: romeo-purple-jupiter-zebra
File name:putita.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:86'768 bytes
First seen:2026-08-05 06:26:20 UTC
Last seen:2026-08-06 03:15:36 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:aG4kg0l/jMQes8y4KVQHdDEdwU8jqUt3Ywp0fAPh7g6iM4sOlTMf6IRB8xeQzz5f:ajkgah8heQxCoNt3YdYP+seM6IT2f
TLSH T1AE8302FF8F3607FAFAC479624F520D5E353A61746919049C6A61F37C53B40887818BAA
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :86'768 bytes
File size (de-compressed) :185'036 bytes
Format:linux/mips
Unpacked file: 67c616da2728c642b384927fee72e6ddef049c091ae579309ec1ab1af77d5016

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/39f1c5cf-f19d-48c1-ab13-8ac84d720f9d/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a72d7932e898b46f88a7060/reports/45f7ed72-7dab-4542-b621-595f356c4273/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
16
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-05T04:24:00Z UTC
Last seen:
2026-08-05T05:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1cd9c234-1cc2-4835-9157-ac26c0b37bab
Behavior Graph:
Download SVG
%3 guuid=d7788041-1900-0000-5e1b-a47512090000 pid=2322 /usr/bin/sudo guuid=45c77847-1900-0000-5e1b-a47518090000 pid=2328 /tmp/sample.bin guuid=d7788041-1900-0000-5e1b-a47512090000 pid=2322->guuid=45c77847-1900-0000-5e1b-a47518090000 pid=2328 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6be21e84-d90e-4294-b0e6-624053573aae
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1952415
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1952415 Sample: putita.mips.elf Startdate: 05/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 36078, 36080, 36082 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Mirai 2->55 57 Sample is packed with UPX 2->57 9 putita.mips.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.mips.elf sh 9->13         started        15 putita.mips.elf sh 9->15         started        17 putita.mips.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.mips.elf 20->30         started        32 putita.mips.elf 20->32         started        34 putita.mips.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.yxUhJH, 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/bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x66csixaohx4uw3kevdo3vwyavcwyzfy7k4l2zgigvt2x4cs4oha._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260805-g7eplabp61/
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/bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e

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: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 bfbc2922e071efca5b6a2546edd6d805456c64b8fab8bd64c83567abf052e38e

(this sample)

Mirai

elf 67c616da2728c642b384927fee72e6ddef049c091ae579309ec1ab1af77d5016

  
URLhaus
https://urlhaus.abuse.ch/url/3892137/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 67c616da2728c642b384927fee72e6ddef049c091ae579309ec1ab1af77d5016
  
Dropping
MD5 b840a352d33ea2579552a29b11f9c1d5
  
URLhaus
https://urlhaus.abuse.ch/url/3892123/
  
URLhaus
https://urlhaus.abuse.ch/url/3885290/

Comments