MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23
SHA3-384 hash: fb2536915047205248e4b90fdd6ce4d70fae5cdaebbdeb57adc904ed53c9f287068c9a5f429fbb13a2abc688d6d5196b
SHA1 hash: 121b7878fd9e35ff0d358a75de0384b75f077c12
MD5 hash: 3167a995b833443b1cbacdad9965bb8a
humanhash: four-fanta-robert-fish
File name:putita.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:83'120 bytes
First seen:2026-08-23 03:03:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:xZvdA6sq3GQSMcex3KhfrEOu9Ct0fuQEjD4DKOu0od+Env2SeMOYfU:xfA2GQZJx3KZQPYhJjsDRuzvnv27Ys
TLSH T194830220594D92EAE81C687AF95A14C4D23B0B7DB8AB36130D9163E7A6C20D37FB57C4
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :83'120 bytes
File size (de-compressed) :185'980 bytes
Format:linux/arm
Unpacked file: 9e0b0b6805a0576e808368ca435cb3bbfa1876fed2b33523cb9a09554b7590cf

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/642ee4a6-5dc2-4ec5-b16d-ba0d4203648d/
Detection(s):
SecuriteInfo.com.Linux.Mirai.10742.19303.23277.UNOFFICIAL
Create hunting rule

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/1f23c678-b658-41de-8ddf-3c7877cf53ce
Behavior Graph:
Download SVG
%3 guuid=584c8ff1-1e00-0000-47f4-c18ccc0a0000 pid=2764 /usr/bin/sudo guuid=4d9966f4-1e00-0000-47f4-c18cd20a0000 pid=2770 /tmp/sample.bin guuid=584c8ff1-1e00-0000-47f4-c18ccc0a0000 pid=2764->guuid=4d9966f4-1e00-0000-47f4-c18cd20a0000 pid=2770 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/405664be-370f-414c-838b-e0f6c77d14c7
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1962329
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: 1962329 Sample: putita.arm5.elf Startdate: 23/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 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.arm5.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.arm5.elf sh 9->13         started        15 putita.arm5.elf sh 9->15         started        17 putita.arm5.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.arm5.elf 20->30         started        32 putita.arm5.elf 20->32         started        34 putita.arm5.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.pt2y1A, 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/7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-08-23 03:04:05 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7fhju2wqpeegn2hp2vhn4ifmstd4xa4tx6ivci5le2zw5oehyrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260823-dj6avsxsav/
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/7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23

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 7fca74d35683c84337477eaa76f10564a63e5c1c9dfc8a891d59359b75c43e23

(this sample)

Mirai

elf 9e0b0b6805a0576e808368ca435cb3bbfa1876fed2b33523cb9a09554b7590cf

  
URLhaus
https://urlhaus.abuse.ch/url/3885288/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892139/
  
Dropping
SHA256 9e0b0b6805a0576e808368ca435cb3bbfa1876fed2b33523cb9a09554b7590cf
  
Dropping
MD5 b5439ce6b27fceed7b2209138bf8aa3d

Comments