MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20
SHA3-384 hash: 769ed96d7996ddad4be928eb80afc3ffa2a8eee81b04c9e30a7f4924e5ce8ad4711508a0706049d715c3f547bd916e89
SHA1 hash: ed1af398ef03009adc9d3db0d642e44c4ee51c16
MD5 hash: f8522ff2241ace66eeef11a56df6425e
humanhash: utah-monkey-beer-rugby
File name:putita.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:185'036 bytes
First seen:2026-07-20 19:14:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:yd8q5aV2iRkzXzW3OdSGozEwhmpiHigjmZYvJ5VSX5fd1DMkc:ydb5aQiRkzXy3ySGozEwhmpiHyZYvJMc
TLSH T1AF045C49AE342BEBC05FCE30052E930B11DD945FA2F6B77DA678CD4C399A24859F3894
telfhash t16a31cfb08b7b65119ac5c7ec88edb75a491e8515470adf33fd3180ac90260ede22ad4f
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 021427534dbf7d135a102de94627a2809ea47ed6dd9753116999aa50989771c9
File size (compressed) :85'492 bytes
File size (de-compressed) :185'036 bytes
Format:linux/mipsel
Packed file: 021427534dbf7d135a102de94627a2809ea47ed6dd9753116999aa50989771c9

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Virus.Ladvix-10013865-0
Create hunting rule

Unix.Trojan.Mirai-10058997-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Runs as daemon
Opens a port
Creates or modifies symbolic links
Creating a file
Sets a written file as executable
Connection attempt
Receives data from a server
Changes access rights for a written file
Kills processes
Changes the time when the file was created, accessed, or modified
Sends data to a server
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Substitutes an application name
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:
gcc masquerade
Link:
https://www.filescan.io/uploads/6a5e73ef3a6e366c9d35400a/reports/da72a404-48c9-4d0b-a8e5-51b0563bd459/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-20T19:38:00Z UTC
Last seen:
2026-07-22T16:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c31eadcb-e88a-4ac7-ac78-9508ff9b2b11
Behavior Graph:
Download SVG
%3 guuid=28d50995-2100-0000-fdc6-df58e50b0000 pid=3045 /usr/bin/sudo guuid=87574c97-2100-0000-fdc6-df58ea0b0000 pid=3050 /tmp/sample.bin guuid=28d50995-2100-0000-fdc6-df58e50b0000 pid=3045->guuid=87574c97-2100-0000-fdc6-df58ea0b0000 pid=3050 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2b23e867-33b3-42c5-8976-12cba643d9e1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1945437
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains symbols with names commonly found in malware
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 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: 1945437 Sample: putita.mpsl.elf Startdate: 20/07/2026 Architecture: LINUX Score: 100 53 64.89.163.215, 60650, 60652, 60654 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 Antivirus detection for dropped file 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Yara detected Mirai 2->63 65 Contains symbols with names commonly found in malware 2->65 9 putita.mpsl.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 71 Sample tries to set files in /etc globally writable 9->71 73 Sample tries to persist itself using /etc/profile 9->73 75 Drops files in suspicious directories 9->75 77 3 other signatures 9->77 17 putita.mpsl.elf sh 9->17         started        19 putita.mpsl.elf sh 9->19         started        21 putita.mpsl.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        67 Protects files from modification 21->67 34 putita.mpsl.elf 24->34         started        36 putita.mpsl.elf 24->36         started        38 putita.mpsl.elf 24->38         started        process9 file10 51 /var/spool/cron/crontabs/tmp.2OfTGS, ASCII 26->51 dropped 79 Sample tries to persist itself using cron 26->79 81 Executes the "crontab" command typically for achieving persistence 26->81 40 sh crontab 30->40         started        signatures11 process12 signatures13 69 Executes the "crontab" command typically for achieving persistence 40->69
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-20 19:21:09 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xlyiio54qusqbrzochcbydbhtjozjmntsxv6mqb62ttii46kvqqa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260720-xyyzwaet5x/
Behaviour
Changes its process name
Modifies Bash startup script
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/baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 021427534dbf7d135a102de94627a2809ea47ed6dd9753116999aa50989771c9

Mirai

elf baf0843bbc852500c72e11c41c0c279a5d94b1b395ebe6403ed4e68473caac20

(this sample)

  
Dropped by
SHA256 021427534dbf7d135a102de94627a2809ea47ed6dd9753116999aa50989771c9
  
URLhaus
https://urlhaus.abuse.ch/url/3885284/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c4d2627fbd082385b1274e3e31a1f8c0

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