MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a
SHA3-384 hash: c0ab7200fbe2872e6ba3c33d89d509d2eb2483b220afa02e1774acb18c2d405911bb6cc9e15650ba1ff3539b960c3e58
SHA1 hash: 2b6fe0b04fdedc5b7fdcd03102b760a16f9004c6
MD5 hash: be0ae7791f9254b4a8447889758f7b27
humanhash: nevada-summer-double-arizona
File name:putita.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:85'572 bytes
First seen:2026-08-11 03:20:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:QxIUYsHxGTj153eFVKRZ6O3Bz/FM+UvXUzEVdiTJikdj2lUdXsiz65H+tT0i:CVE/OFVKR4Oxz/FM+UvXUIPtgbdXJ6ZA
TLSH T18983025BD4641BF5F1D313785099BB05B698A73D26B26228C91835A8C9272FBCF04BCF
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :85'572 bytes
File size (de-compressed) :185'380 bytes
Format:linux/mipsel
Unpacked file: ab4f2ea1e3bec0695cef0f2da2cf5aa74268c147271112590a638dc8d8f99fb4

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/87a4c0ed-089b-49d2-8b74-5a7ec8246c36/
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a7a9537390d1165c1c3d3b0/reports/e049ea75-df0d-4674-875e-78607c1a13e5/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bbe97990-0655-4139-b5b5-4bf1c08a2758
Behavior Graph:
Download SVG
%3 guuid=28f2ed57-1900-0000-c46e-cecfb4070000 pid=1972 /usr/bin/sudo guuid=8ffac75b-1900-0000-c46e-cecfb8070000 pid=1976 /tmp/sample.bin guuid=28f2ed57-1900-0000-c46e-cecfb4070000 pid=1972->guuid=8ffac75b-1900-0000-c46e-cecfb8070000 pid=1976 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/85235d0f-3345-4632-8229-da138b4ca1d8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1955597
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: 1955597 Sample: putita.mpsl.elf Startdate: 11/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 33762, 666 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.mpsl.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.mpsl.elf sh 9->13         started        15 putita.mpsl.elf sh 9->15         started        17 putita.mpsl.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.mpsl.elf 20->30         started        32 putita.mpsl.elf 20->32         started        34 putita.mpsl.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.z8SUkW, 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/b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ws6qets75s7nekv4ftg5owcgndt52jmwrissonbfibcmgk7nizva._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260811-dwjbvszycy/
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:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a

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 b4bd024e5fecbed22abc2ccdd7584668e7dd25968a252734254044c32bed466a

(this sample)

Mirai

elf ab4f2ea1e3bec0695cef0f2da2cf5aa74268c147271112590a638dc8d8f99fb4

  
URLhaus
https://urlhaus.abuse.ch/url/3892128/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ab4f2ea1e3bec0695cef0f2da2cf5aa74268c147271112590a638dc8d8f99fb4
  
Dropping
MD5 6b98113ee01b5eceb26e011c7c48b0fa
  
URLhaus
https://urlhaus.abuse.ch/url/3885284/
  
URLhaus
https://urlhaus.abuse.ch/url/3892129/

Comments