MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87
SHA3-384 hash: 6f0dbbcff3abd18dceff7785a9ab7fbea6e51538de44f966e3a8cc0f0933aeeb8a5c81e1cd4e462e56190bdc6c2345ee
SHA1 hash: 444392c589c51d735005967e22f6ba57d4cd70d6
MD5 hash: fa86d20321dc14ab7cd70aee08cf7aa6
humanhash: alanine-undress-summer-tango
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:83'916 bytes
First seen:2025-09-06 15:12:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mgINMiYzjNZR/smrev3Ohj3VHx4TuooLf90rSfq5bzJZLqAZYI9GYQG8PrRLtUaG:mPNMiYvNZR/smr7h9QnoLli9zJZLVi9s
TLSH T16F83020E494CFE3AC19098A36FB51EC2FD96546854EC2A93C27D80E439C198B7DFC287
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) :83'916 bytes
File size (de-compressed) :240'033 bytes
Format:linux/arm
Unpacked file: 9b22b68b08b2f38feeb6a25adf382fd1fd4a747dabb4189f70e42e2b7a81ec02

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Receives data from a server
Manages services
Creating a file
Sets a written file as executable
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68bc4f9efe1969faa8a71243/reports/5be0892b-c9b0-4216-9e01-6d28d2b7e53e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
type:Mirai 5.42.217.111:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-06T11:49:00Z UTC
Last seen:
2025-09-06T11:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a774012a-ef5f-419e-b4ad-e2a03da21f6f
Behavior Graph:
Download SVG
%3 guuid=87da7095-1800-0000-d747-d8738d090000 pid=2445 /usr/bin/sudo guuid=5733bc98-1800-0000-d747-d8739a090000 pid=2458 /tmp/sample.bin guuid=87da7095-1800-0000-d747-d8738d090000 pid=2445->guuid=5733bc98-1800-0000-d747-d8739a090000 pid=2458 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1645cc3-930f-4ac7-90f9-980a74f00238
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1772366
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Writes ELF files to hidden directories
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772366 Sample: boatnet.arm7.elf Startdate: 06/09/2025 Architecture: LINUX Score: 72 25 5.42.217.111, 3778, 45282 MIDYAIQ Iraq 2->25 27 34.254.182.186, 443, 44538 AMAZON-02US United States 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 35 Sample is packed with UPX 2->35 7 boatnet.arm7.elf 2->7         started        11 systemd snapd-env-generator 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 file5 23 /var/tmp/.reapxhoelvwkblk/ftp, ELF 7->23 dropped 37 Writes ELF files to hidden directories 7->37 17 boatnet.arm7.elf systemctl 7->17         started        19 boatnet.arm7.elf 7->19         started        21 boatnet.arm7.elf 7->21         started        signatures6 process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-06 15:13:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjnfj5mwjxd57ttp55vjf3ftb56ffak77mspccefnef4464tt6dq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery persistence privilege_escalation upx
Link:
https://tria.ge/reports/250906-sl1kqahk5v/
Behaviour
Reads runtime system information
UPX packed file
Modifies systemd
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/05753296-4676-4afc-b10b-83a25179bd41
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/3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87

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 3a5a54f5964dc7dfce6fef6a92ecb30f7c52815ffb24f10885690bce7b939f87

(this sample)

Mirai

elf 9b22b68b08b2f38feeb6a25adf382fd1fd4a747dabb4189f70e42e2b7a81ec02

  
URLhaus
https://urlhaus.abuse.ch/url/3616667/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 9b22b68b08b2f38feeb6a25adf382fd1fd4a747dabb4189f70e42e2b7a81ec02
  
Dropping
MD5 f6b9bb4cb67fc3c24dd04713a679f90c

Comments