MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c20026b5b7eece9d03d20fb785753154dac42e8e8fa9c9af77d8a54f0a6f15d3. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c20026b5b7eece9d03d20fb785753154dac42e8e8fa9c9af77d8a54f0a6f15d3
SHA3-384 hash: ca4b1d80f74594a7f3cd5e5971c144c47a4534d40b29b7f2e4aee304a66ea39814d1736ce39ba6a04378aca1d9d5db1b
SHA1 hash: e8e27e81602d6c35b0b955a5ce90a6904ab87230
MD5 hash: 4ab0c3ebaa69a4bda497d1d6c38cc476
humanhash: hawaii-yankee-zebra-undress
File name:putita.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:56'940 bytes
First seen:2026-08-18 20:09:06 UTC
Last seen:2026-08-18 20:13:15 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:/ksBdUhKL6gg/PbdxY3HmA1yskxav7WfY:dB6KLG/vqmA1ZkEqg
TLSH T1B943018BD5806C61D6E188B4BE1FB1074AF169F8E967335354A0CABA2CE180D3B74E17
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) :56'940 bytes
File size (de-compressed) :124'368 bytes
Format:linux/arm
Unpacked file: a1c0c2ce7dda33a07dcb869cd4437558891cd933022c53b04ffc7456fee125e9

Intelligence

File Origin
# of uploads :
2
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e7d6b565-f44f-4a7a-9897-b302b193ba96/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Opens a port
Creating a file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/83984bd8-2f74-4bd6-9168-51849a45b70e
Behavior Graph:
Download SVG
%3 guuid=28fba2a3-1b00-0000-f5df-351476090000 pid=2422 /usr/bin/sudo guuid=3eae3da6-1b00-0000-f5df-35147f090000 pid=2431 /tmp/sample.bin guuid=28fba2a3-1b00-0000-f5df-351476090000 pid=2422->guuid=3eae3da6-1b00-0000-f5df-35147f090000 pid=2431 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f74ebb19-a980-45c4-9567-1e38155b3bfa
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959938
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1959938 Sample: putita.arm6.elf Startdate: 18/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 49650, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Sample is packed with UPX 2->55 9 putita.arm6.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 63 Sample tries to set files in /etc globally writable 9->63 65 Sample tries to persist itself using /etc/profile 9->65 67 Drops files in suspicious directories 9->67 69 3 other signatures 9->69 13 putita.arm6.elf sh 9->13         started        15 putita.arm6.elf sh 9->15         started        17 putita.arm6.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.arm6.elf 20->30         started        32 putita.arm6.elf 20->32         started        34 putita.arm6.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.Wpz8x0, ASCII 22->39 dropped 59 Sample tries to persist itself using cron 22->59 61 Executes the "crontab" command typically for achieving persistence 22->61 36 sh crontab 26->36         started        signatures11 process12 signatures13 57 Executes the "crontab" command typically for achieving persistence 36->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c20026b5b7eece9d03d20fb785753154dac42e8e8fa9c9af77d8a54f0a6f15d3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c20026b5b7eece9d03d20fb785753154dac42e8e8fa9c9af77d8a54f0a6f15d3/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yiacnnnx53hj2a6sb63yk5jrktnmiluor6u4tl3x3csu6ctpcxjq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-yxgjwazcnf/
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.

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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 c20026b5b7eece9d03d20fb785753154dac42e8e8fa9c9af77d8a54f0a6f15d3

(this sample)

Mirai

elf a1c0c2ce7dda33a07dcb869cd4437558891cd933022c53b04ffc7456fee125e9

  
URLhaus
https://urlhaus.abuse.ch/url/3892136/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a1c0c2ce7dda33a07dcb869cd4437558891cd933022c53b04ffc7456fee125e9
  
Dropping
MD5 8c0ba2979d055f7598cb774daa91f76e

Comments