MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c820542d0a0421d8a43f8d9967d86de22cf9e6278334d0529bb4d078d91e04d0. 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: c820542d0a0421d8a43f8d9967d86de22cf9e6278334d0529bb4d078d91e04d0
SHA3-384 hash: 742ea7c44738fada530b8684c96da7b7db17fe82937dd3ab3a980094386a6dff323563e4b02ecc432dbb03ff18c65484
SHA1 hash: 0a198483abe9d126e6a95628181cb4d7a137f31f
MD5 hash: 7ccafadb1bffd60753350d6119e89f86
humanhash: iowa-salami-carolina-mountain
File name:putita.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:83'968 bytes
First seen:2026-08-18 03:16:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:nhjKAXbVTWF3EQuTNwVdS2o1CWXh0qtGs6zxKoToAhFv/hgmgPTuC0b:huAX5a2NwV44WXqgB6dKoEsp/hBgR0b
TLSH T18F831211CFA81BE6E67284FF5E15C1377A89A72214E58E1C5135CE86F27B384730A23B
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :83'968 bytes
File size (de-compressed) :181'252 bytes
Format:linux/mipsel
Unpacked file: 3f1f1412c4d68c37b3407304654c8e5c769acf691b52e2a15073c5e346b0e0f4

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b286a599-4e28-4858-9df5-82be81b116d3/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Runs as daemon
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:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a83cec0b0dd85c15ff21254/reports/5845c553-456c-4ee4-a92a-28d78309517a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1722d035-82de-477f-99ff-ae11ccada789
Behavior Graph:
Download SVG
%3 guuid=7d16a903-1900-0000-e6b3-72c057090000 pid=2391 /usr/bin/sudo guuid=8feb4707-1900-0000-e6b3-72c065090000 pid=2405 /tmp/sample.bin guuid=7d16a903-1900-0000-e6b3-72c057090000 pid=2391->guuid=8feb4707-1900-0000-e6b3-72c065090000 pid=2405 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7aacc363-093b-4094-9cdd-a669d88eb4c4
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1959425
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: 1959425 Sample: putita.mpsl.elf Startdate: 18/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 36080, 36098, 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.w49o5m, 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/c820542d0a0421d8a43f8d9967d86de22cf9e6278334d0529bb4d078d91e04d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c820542d0a0421d8a43f8d9967d86de22cf9e6278334d0529bb4d078d91e04d0/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zaqfilikaqq5rjb7rwmwpwdn4iwptzrhqm2nauu3wtihrwi6atia._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260818-ds7v2sdm3v/
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.

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 c820542d0a0421d8a43f8d9967d86de22cf9e6278334d0529bb4d078d91e04d0

(this sample)

Mirai

elf 3f1f1412c4d68c37b3407304654c8e5c769acf691b52e2a15073c5e346b0e0f4

  
URLhaus
https://urlhaus.abuse.ch/url/3892128/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3f1f1412c4d68c37b3407304654c8e5c769acf691b52e2a15073c5e346b0e0f4
  
Dropping
MD5 e42e90f031751547c32bfda4e1f2eaca
  
URLhaus
https://urlhaus.abuse.ch/url/3892129/
  
URLhaus
https://urlhaus.abuse.ch/url/3885284/

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