MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62. 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: ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62
SHA3-384 hash: f376c879c2c69d66492f29b329eeefc893b0c3e5961b947744d62e51f9bec726e7b8daaeb6c031a65e89db5e67084e6b
SHA1 hash: 9f3ba0da1c0202bc0dcd956cca80dcbb66e80977
MD5 hash: f1a79098bb135e74a8654c5536b94a5f
humanhash: ohio-august-blossom-mirror
File name:flutter.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:96'360 bytes
First seen:2026-08-18 15:17:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:YWzvxZVa6GbvSmfv4qM3BI47Nn2fFz6QpeEb2B84Al3fIo0dpKQ3hwtWmiM8kjbf:YEg6GbdvDM3BD7NccEb2qr1go0Swgb/d
TLSH T1CB9302E2D8947430C09D2F7DA61B42A7D04EC42122C7B64DBF016B7318FB2FA5766E62
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :96'360 bytes
File size (de-compressed) :177'916 bytes
Format:linux/arm
Unpacked file: cd4b65d230f6cb5425e8b01d44c88822dc5f06284a7ae1a311c677a8415f1b50

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/463e2668-7e7f-4f63-86db-bd839fea47f0/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Kills processes
Creating a file
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Manages services
Changes access rights for a written file
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a8477905bde13bede02247f/reports/adf913f4-3527-441c-8b79-b711601129d3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
73
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/75564321-9c2b-4983-b82c-5fe2f51316d5
Behavior Graph:
Download SVG
%3 guuid=fb7a6963-1b00-0000-c75e-c870d70b0000 pid=3031 /usr/bin/sudo guuid=0d8d6566-1b00-0000-c75e-c870dc0b0000 pid=3036 /tmp/sample.bin guuid=fb7a6963-1b00-0000-c75e-c870d70b0000 pid=3031->guuid=0d8d6566-1b00-0000-c75e-c870dc0b0000 pid=3036 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3516069b-f67d-4f53-9807-eaa7eb18db65
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1959740
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1959740 Sample: flutter.arm7.elf Startdate: 18/08/2026 Architecture: LINUX Score: 60 36 vps.atlas101.us.kg 91.92.42.242, 58082, 6767 TODYL-CLOUD-TodylIncUS Netherlands 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Sample is packed with UPX 2->40 10 flutter.arm7.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        signatures3 process4 process5 16 flutter.arm7.elf 10->16         started        process6 18 flutter.arm7.elf 16->18         started        file7 32 /etc/rc.local, ASCII 18->32 dropped 34 /etc/cron.d/flutter, ASCII 18->34 dropped 42 Sample tries to persist itself using cron 18->42 44 Sample tries to persist itself using System V runlevels 18->44 22 flutter.arm7.elf 18->22         started        24 flutter.arm7.elf systemctl 18->24         started        26 flutter.arm7.elf systemctl 18->26         started        28 flutter.arm7.elf 18->28         started        signatures8 process9 process10 30 flutter.arm7.elf 22->30         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qq6iblnjiryvx55h6y6q6c2foyfrp6jztj56sktz5sppwqghvra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-spb2jawvey/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
Modifies Watchdog functionality
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 ec21e4056d4a238adfbd3fb1e8785a2bb058bfc9ccd3df4953cf64f7da063d62

(this sample)

Mirai

elf cd4b65d230f6cb5425e8b01d44c88822dc5f06284a7ae1a311c677a8415f1b50

  
URLhaus
https://urlhaus.abuse.ch/url/3904707/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 cd4b65d230f6cb5425e8b01d44c88822dc5f06284a7ae1a311c677a8415f1b50
  
Dropping
MD5 353d42d999d1478b550dad30e46682c4

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