MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1. 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: 03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1
SHA3-384 hash: d359d06caaeb414c14ad4ffbec1d61782dc28e4ad6fea25928e97d0246b319bd1d5a63a978e1a52231d323c2c343d4ed
SHA1 hash: f8c2ed289c10e06521ebb92f7f008d06597ccbc3
MD5 hash: 3acf0286cb534ad5a5f0f53af6610323
humanhash: grey-august-july-low
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:46'624 bytes
First seen:2025-08-14 15:42:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:D/TYCoIxdEk+AxoTZAZHFeq8b3N9q3UELbUXfi6nVMQHI4vcGpvv:DECFd+A6YHAxgLRQZv
TLSH T121230271480E9EB525303C76DFD5D293B6E12AB2C6673013D6280A3C2FB9B531E57E4A
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) :46'624 bytes
File size (de-compressed) :129'940 bytes
Format:linux/arm
Unpacked file: b4d6471db089070aba6eadacfdf31c1b787bd1c0e47749c4f3e7e77bc181259e

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9955244-0
Create hunting rule

Unix.Trojan.Mirai-10030115-0
Create hunting rule

Unix.Trojan.Mirai-10034373-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92327ca8-85f2-408e-8e8e-20cf8f2d603b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1757196
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757196 Sample: boatnet.arm7.elf Startdate: 14/08/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 162.212.158.67, 3778, 50310 TZULOUS United States 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 boatnet.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 15:42:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aokx7j6cfodhmvcodk64pyrhwjuxtdbh6stx567kpbh465hwl6yq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250814-s6a6kaxyey/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955244-0
YARA:
n/a
Link:
https://app.threat.zone/submission/20bbbd0c-7605-4783-8179-55e8a4a4ac65
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/03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1

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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 03957fa7c22b8676544e1abdc7e227b269798c27f4a77efbea784fcf74f65fb1

(this sample)

Mirai

elf b4d6471db089070aba6eadacfdf31c1b787bd1c0e47749c4f3e7e77bc181259e

  
URLhaus
https://urlhaus.abuse.ch/url/3603047/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b4d6471db089070aba6eadacfdf31c1b787bd1c0e47749c4f3e7e77bc181259e
  
Dropping
MD5 fdc29b3eca6b175fb126a389499d105a

Comments