MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfad117d5dffc12066ecb1d8b963617e0d4f1cb93ee3f2d29e3dfdf7397ecc6c. 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: cfad117d5dffc12066ecb1d8b963617e0d4f1cb93ee3f2d29e3dfdf7397ecc6c
SHA3-384 hash: ad69d064ba5db16d0f788a19626c310f507fef86abc15c0365251bbb87a02366cfaaebbfe90116dd21267a0731ddad66
SHA1 hash: 1d592a618f7c4df0309d74059724ab16e483bba5
MD5 hash: 39f8356c5f47648f6d9b20a0b2c2cedb
humanhash: fourteen-chicken-bravo-foxtrot
File name:putita.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:56'436 bytes
First seen:2026-08-06 05:38:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:Tn47cia83jYUfGzO574bMR1/j7PvVUBLEL4rwbfT:zTx4Mu1rrOZEGwbr
TLSH T13B43016094C62D19C6E12031CADDD541B51137B93B7537242B1DAFC4A68540BBEF464B
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) :56'436 bytes
File size (de-compressed) :124'348 bytes
Format:linux/arm
Unpacked file: 53ff0a39c4d07c49fd92516ab6038d0dca2cabf5b9dc4870294e940d5ffd8aaf

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/aca7e619-7421-4def-b3c6-17d085008d5c/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Changes the time when the file was created, accessed, or modified
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:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a741e147a11686dd5076041/reports/53c7fc3c-a259-483d-b265-e1b1931903f7/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4fd394b0-8904-404e-94d0-9cbff969b04e
Behavior Graph:
Download SVG
%3 guuid=bb93c9f5-1900-0000-2729-1121a6030000 pid=934 /usr/bin/sudo guuid=52b8bff7-1900-0000-2729-1121ad030000 pid=941 /tmp/sample.bin guuid=bb93c9f5-1900-0000-2729-1121a6030000 pid=934->guuid=52b8bff7-1900-0000-2729-1121ad030000 pid=941 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/96db3d34-52ea-4016-82e7-e79dee0d02f4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1953089
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
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: 1953089 Sample: putita.arm6.elf Startdate: 06/08/2026 Architecture: LINUX Score: 80 55 64.89.163.215, 36080, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->55 57 Sample is packed with UPX 2->57 9 putita.arm6.elf 2->9         started        13 systemd snap-failure 2->13         started        signatures3 process4 file5 45 /usr/lib/kworker-helper, ELF 9->45 dropped 47 /root/.bashrc, ASCII 9->47 dropped 49 /etc/systemd/system/kworker-helper.service, ASCII 9->49 dropped 51 3 other malicious files 9->51 dropped 61 Sample tries to set files in /etc globally writable 9->61 63 Sample tries to persist itself using /etc/profile 9->63 65 Drops files in suspicious directories 9->65 67 3 other signatures 9->67 15 putita.arm6.elf sh 9->15         started        17 putita.arm6.elf sh 9->17         started        19 putita.arm6.elf chattr 9->19         started        26 6 other processes 9->26 22 snap-failure systemctl 13->22         started        24 snap-failure 13->24         started        signatures6 process7 signatures8 28 sh crontab 15->28         started        32 sh 15->32         started        34 sh crontab 17->34         started        59 Protects files from modification 19->59 36 putita.arm6.elf 26->36         started        38 putita.arm6.elf 26->38         started        40 putita.arm6.elf 26->40         started        process9 file10 53 /var/spool/cron/crontabs/tmp.6LpLCl, ASCII 28->53 dropped 71 Sample tries to persist itself using cron 28->71 73 Executes the "crontab" command typically for achieving persistence 28->73 42 sh crontab 32->42         started        signatures11 process12 signatures13 69 Executes the "crontab" command typically for achieving persistence 42->69
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfad117d5dffc12066ecb1d8b963617e0d4f1cb93ee3f2d29e3dfdf7397ecc6c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfad117d5dffc12066ecb1d8b963617e0d4f1cb93ee3f2d29e3dfdf7397ecc6c/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6wrc7k577asazxmwhmlsy3bpygu6hfzh3r7fuu6hx67ool6zrwa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260806-gcj1tsyya1/
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 cfad117d5dffc12066ecb1d8b963617e0d4f1cb93ee3f2d29e3dfdf7397ecc6c

(this sample)

Mirai

elf 53ff0a39c4d07c49fd92516ab6038d0dca2cabf5b9dc4870294e940d5ffd8aaf

  
URLhaus
https://urlhaus.abuse.ch/url/3885285/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 53ff0a39c4d07c49fd92516ab6038d0dca2cabf5b9dc4870294e940d5ffd8aaf
  
Dropping
MD5 b78e95df68cd9385d27e5e768786512b
  
URLhaus
https://urlhaus.abuse.ch/url/3892174/
  
URLhaus
https://urlhaus.abuse.ch/url/3892136/

Comments