MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61bd1c2f3c90e1954753a001593cbac94414ea3be771ec3c4f463326daca733d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 61bd1c2f3c90e1954753a001593cbac94414ea3be771ec3c4f463326daca733d
SHA3-384 hash: dc100ef66c4bb339ed992b300d098129a3aafb02d17dd85effb6c128a178e21c3f076c17203bd84e9c7c8a2a9e45eef4
SHA1 hash: 576ea6f7106d70cc15e5a228278d05f3075860b4
MD5 hash: 653159ab3b3bb9911b9722882a8c22c9
humanhash: earth-oklahoma-sink-fanta
File name:boatnet.arm
Download: download sample
Signature Mirai
File size:60'052 bytes
First seen:2025-07-18 21:38:44 UTC
Last seen:2025-07-20 08:17:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:5VAgKIEwsGWIEHmgVfxbEBOR1pmivBES4rXJNBTSKuMeGIlER2frDMs3UozaE:5SrxfGWIefxQBOzpJDaXJNBTSt9FzaE
TLSH T13D43F14736739E7859B315F1596D5B8DE52043BCD2D1BEE03828813D2F13C892676B0B
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) :60'052 bytes
File size (de-compressed) :162'560 bytes
Format:linux/arm
Unpacked file: e4962af0fb464408a2b26a57e4cd259313213e05c8c27a77af7441dba43b9e76

Intelligence


File Origin
# of uploads :
3
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
39
Number of processes launched:
33
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=16e001ec-1700-0000-4802-eabd430c0000 pid=3139 /usr/bin/sudo guuid=aca7eaed-1700-0000-4802-eabd480c0000 pid=3144 /tmp/sample.bin guuid=16e001ec-1700-0000-4802-eabd430c0000 pid=3139->guuid=aca7eaed-1700-0000-4802-eabd480c0000 pid=3144 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739857 Sample: boatnet.arm.elf Startdate: 18/07/2025 Architecture: LINUX Score: 80 148 156.238.225.44, 23845, 56608, 56610 XHOSTSERVERUS Seychelles 2->148 150 octopus1337.geek 2->150 156 Multi AV Scanner detection for submitted file 2->156 158 Yara detected Mirai 2->158 160 Connects to many ports of the same IP (likely port scanning) 2->160 162 Sample is packed with UPX 2->162 13 boatnet.arm.elf 2->13         started        15 systemd boatnet.arm.elf 2->15         started        18 systemd boatnet.arm.elf 2->18         started        20 34 other processes 2->20 signatures3 process4 signatures5 22 boatnet.arm.elf 13->22         started        176 Sample tries to kill multiple processes (SIGKILL) 15->176 24 boatnet.arm.elf 15->24         started        26 boatnet.arm.elf 18->26         started        28 wrapper-2.0 xfpm-power-backlight-helper 20->28         started        30 wrapper-2.0 xfpm-power-backlight-helper 20->30         started        process6 process7 32 boatnet.arm.elf sh 22->32         started        34 boatnet.arm.elf 22->34         started        37 boatnet.arm.elf 22->37         started        46 4 other processes 22->46 39 boatnet.arm.elf 24->39         started        41 boatnet.arm.elf 24->41         started        48 3 other processes 24->48 43 boatnet.arm.elf 26->43         started        50 4 other processes 26->50 file8 54 2 other processes 32->54 152 Sample tries to kill multiple processes (SIGKILL) 34->152 58 2 other processes 34->58 60 3 other processes 37->60 154 Drops files in suspicious directories 39->154 52 boatnet.arm.elf sh 39->52         started        62 2 other processes 39->62 146 /usr/bin/mounted, Bourne-Again 43->146 dropped 64 3 other processes 43->64 66 3 other processes 46->66 68 2 other processes 48->68 70 2 other processes 50->70 signatures9 process10 file11 72 sh mounted 52->72         started        142 /var/spool/cron/crontabs/tmp.8xSIzn, data 54->142 dropped 164 Executes the "crontab" command typically for achieving persistence 54->164 74 sh crontab 54->74         started        166 Sample tries to kill multiple processes (SIGKILL) 58->166 77 boatnet.arm.elf 58->77         started        79 boatnet.arm.elf 58->79         started        81 sh mounted 60->81         started        83 sh chmod 60->83         started        144 /etc/cron.d/mount.sh, ASCII 64->144 dropped 168 Sample tries to persist itself using cron 64->168 85 sh mounted 64->85         started        signatures12 process13 signatures14 87 mounted 72->87         started        90 mounted 72->90         started        92 mounted 72->92         started        102 6 other processes 72->102 172 Executes the "crontab" command typically for achieving persistence 74->172 174 Sample tries to kill multiple processes (SIGKILL) 77->174 94 boatnet.arm.elf 77->94         started        96 mounted cat 81->96         started        98 mounted 81->98         started        100 mounted 85->100         started        104 2 other processes 85->104 process15 signatures16 170 Sample tries to kill multiple processes (SIGKILL) 87->170 106 mounted 87->106         started        108 mounted 87->108         started        110 mounted 87->110         started        112 mounted 90->112         started        114 mounted 90->114         started        116 mounted 92->116         started        118 mounted 92->118         started        120 mounted 100->120         started        122 2 other processes 100->122 process17 process18 124 3 other processes 106->124 126 3 other processes 108->126 128 3 other processes 110->128 130 3 other processes 112->130 132 3 other processes 114->132 134 3 other processes 116->134 136 3 other processes 118->136 138 3 other processes 120->138 140 6 other processes 122->140
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-07-18 21:39:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads system network configuration
Checks mountinfo of local process
Creates/modifies Cron job
Enumerates active TCP sockets
Modifies systemd
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Unexpected DNS network traffic destination
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 61bd1c2f3c90e1954753a001593cbac94414ea3be771ec3c4f463326daca733d

(this sample)

  
Delivery method
Distributed via web download

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