MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6
SHA3-384 hash: c246d761936e2400ce996a9bdd378280c750a54bc59a45eddfd7580b7c668f9ae9c81fb995f7c1c71c5e7dbe17288933
SHA1 hash: 733d5bd6a6d4f93bc8c90c61654b25d6b7adea2d
MD5 hash: 0a4f6c30a46728263b9dfa799cabc4a1
humanhash: tennessee-batman-muppet-oklahoma
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:83'560 bytes
First seen:2025-09-10 15:20:55 UTC
Last seen:2025-09-12 19:19:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:UFcrUgx+0ALYANBBq9sa9nOuLIZyKeRJSWg6pkL6fjhkJEFyp8oyvd0X:fyYAlu9n4KcpQkL4CJEF/oyOX
TLSH T1478302213A70D136F9742E35E0A1440A53F8ADFBD2F671D61D179A2DA8F0908B4BB9C9
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 mirai UPX
File size (compressed) :83'560 bytes
File size (de-compressed) :238'644 bytes
Format:linux/arm
Unpacked file: da8955498add32bf0e2c074286f3543dee9975a1e84e94387205df463703a209

Intelligence

File Origin
# of uploads :
4
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Manages services
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
Kills processes
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/68c19785732879482925ab4c/reports/9e301bc9-e18e-40e4-833e-a0552b529a43/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
type:Mirai 46.38.138.58:3778
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T13:31:00Z UTC
Last seen:
2025-09-10T13:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/07273c76-ddc4-4d60-816d-23770af2d680
Behavior Graph:
Download SVG
%3 guuid=f1d6e981-1800-0000-2d2e-adb0ec060000 pid=1772 /usr/bin/sudo guuid=2c98d783-1800-0000-2d2e-adb0f0060000 pid=1776 /tmp/sample.bin guuid=f1d6e981-1800-0000-2d2e-adb0ec060000 pid=1772->guuid=2c98d783-1800-0000-2d2e-adb0f0060000 pid=1776 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2e2244f-d665-466c-9b5f-388d8fe9ccd5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1774938
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774938 Sample: boatnet.arm7.elf Startdate: 10/09/2025 Architecture: LINUX Score: 68 29 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->29 31 46.38.138.58, 3778, 48068 AZMA-ASIR United Kingdom 2->31 33 2 other IPs or domains 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Sample is packed with UPX 2->41 8 boatnet.arm7.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 file5 27 /usr/local/bin/infinitd, ELF 8->27 dropped 15 boatnet.arm7.elf sh 8->15         started        17 boatnet.arm7.elf sh 8->17         started        19 boatnet.arm7.elf 8->19         started        21 boatnet.arm7.elf 8->21         started        process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 15:22:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ul5hcogwkrzduofsv2g6u5kyptq7wz3hmkmo3gbsb3rr4c6omhda._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/250910-srm7ks1wc1/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
UPX packed file
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4d63f7cb-7570-4191-bdf4-ec2593b9b2b8
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/a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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 a2fa7138d654723a38b2ae8dea75587ce1fb67676298ed98320ee31e0bce61c6

(this sample)

Mirai

elf da8955498add32bf0e2c074286f3543dee9975a1e84e94387205df463703a209

  
URLhaus
https://urlhaus.abuse.ch/url/3620628/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 da8955498add32bf0e2c074286f3543dee9975a1e84e94387205df463703a209
  
Dropping
MD5 b6f3574743af9b7a87e14d07edccb081

Comments