MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9
SHA3-384 hash: 69360b905fc6d35bc1f0b5756a800a970bf8fb0d08ca7bdab5a81b96e30b462d23a711c560db11050fa1b7c475dc0dea
SHA1 hash: e65a2e681b9de0d0e789de2b8991a5fbafafce9b
MD5 hash: a4b60f341d1db9039c2c673e257f5bdc
humanhash: spaghetti-kentucky-saturn-lake
File name:flutter.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:100'124 bytes
First seen:2026-08-18 21:15:37 UTC
Last seen:2026-08-19 00:18:24 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:b3XpG6Rjx2006dbqid9GMA6vQAGA1fwqz8SzV8QVXWj:LXpbRjJIOA4wtQ4j
TLSH T1DEA312ABCA007E5EC7FC3D305F4F907E011A8ADC1459EA47B44899D499E20BFDAA057B
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :100'124 bytes
File size (de-compressed) :182'104 bytes
Format:linux/arm
Unpacked file: 896c270dd4fd7b65cca29127f948cf38148b4440ea28d04e697128cb615f660d

Intelligence

File Origin
# of uploads :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/152904c8-d8e7-4280-a3b0-c4c494533b12/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Manages services
Kills processes
Opens a port
Connection attempt
Changes access rights for a written file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
71
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9
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/4f9a5ecd-b50d-498d-8d61-7f827847541f
Behavior Graph:
Download SVG
%3 guuid=8beeea5b-1b00-0000-c3b5-9bafef080000 pid=2287 /usr/bin/sudo guuid=d4c15761-1b00-0000-c3b5-9baff6080000 pid=2294 /tmp/sample.bin guuid=8beeea5b-1b00-0000-c3b5-9bafef080000 pid=2287->guuid=d4c15761-1b00-0000-c3b5-9baff6080000 pid=2294 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/574f5eec-9c90-4698-9dd7-639b52f9a0e7
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1960000
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: 1960000 Sample: flutter.arm.elf Startdate: 18/08/2026 Architecture: LINUX Score: 60 38 vps.atlas101.us.kg 91.92.42.242, 44516, 6767 TODYL-CLOUD-TodylIncUS Netherlands 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Sample is packed with UPX 2->42 10 flutter.arm.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.arm.elf 10->16         started        process6 18 flutter.arm.elf 16->18         started        file7 34 /etc/rc.local, ASCII 18->34 dropped 36 /etc/cron.d/flutter, ASCII 18->36 dropped 44 Sample tries to persist itself using cron 18->44 46 Sample tries to persist itself using System V runlevels 18->46 22 flutter.arm.elf 18->22         started        24 flutter.arm.elf systemctl 18->24         started        26 flutter.arm.elf systemctl 18->26         started        28 2 other processes 18->28 signatures8 process9 process10 30 flutter.arm.elf 22->30         started        32 flutter.arm.elf 28->32         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xjz7kyzx3f5bwa242i4xv2vh6pxenu6o4tmj7vqsewaslf6zohmq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-z4c1ps1ckb/
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 ba73f56337d97a1b035cd2397aeaa7f3ee46d3cee4d89fd61225812597d971d9

(this sample)

Mirai

elf 896c270dd4fd7b65cca29127f948cf38148b4440ea28d04e697128cb615f660d

  
URLhaus
https://urlhaus.abuse.ch/url/3904704/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 896c270dd4fd7b65cca29127f948cf38148b4440ea28d04e697128cb615f660d
  
Dropping
MD5 2a3f02b95b0bf8485972202395ec9961

Comments