MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d731d39811fb70f431dd6f035f7ec1f4981a863e3716fd48bf247d18820b19e9. 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 10 File information Comments

SHA256 hash: d731d39811fb70f431dd6f035f7ec1f4981a863e3716fd48bf247d18820b19e9
SHA3-384 hash: 7d156e03852ad06e5d70167a74060050a9895fac299bbaff166d21f96ea2c37c5daad752aa39e749d83d49d48b8bb707
SHA1 hash: b36464ee0e135dd963307878c5aac07ad2150b9b
MD5 hash: 9af52bd4a3bf165f9cfa7794c6dfdc9c
humanhash: seventeen-mountain-pennsylvania-may
File name:boatnet.arm7
Download: download sample
Signature Mirai
File size:142'668 bytes
First seen:2026-01-28 11:56:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:+cvBt6QvVVZNR99oMoMr+KYJIe6UtM/9/15:+cvBt6OPNR99oMlrAJIe6QM/9/15
TLSH T161D34B46FA414A23C0D60779B6AF524A3322A7D1A3DB730699249FB43F867DF0D63E05
telfhash t196210eb25b76a51d5951daa889ec6771161cd3062246ef33ef31c4ac242445eea2bc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2c1e75dfa13fa242a3c1dfc98b7d6a6bb73263c66bf06ae25fd7aac621a1802f
File size (compressed) :51'212 bytes
File size (de-compressed) :142'668 bytes
Format:linux/arm
Packed file: 2c1e75dfa13fa242a3c1dfc98b7d6a6bb73263c66bf06ae25fd7aac621a1802f

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
19
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=fa036791-1900-0000-0646-181ef1070000 pid=2033 /usr/bin/sudo guuid=0a922194-1900-0000-0646-181ef7070000 pid=2039 /tmp/sample.bin guuid=fa036791-1900-0000-0646-181ef1070000 pid=2033->guuid=0a922194-1900-0000-0646-181ef7070000 pid=2039 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858925 Sample: boatnet.arm7.elf Startdate: 28/01/2026 Architecture: LINUX Score: 80 24 178.16.54.217, 3778, 57206 DUSNET-ASDE Germany 2->24 26 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->26 28 2 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 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 9 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
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-28 11:57:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Behaviour
Reads runtime system information
Writes file to system 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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf d731d39811fb70f431dd6f035f7ec1f4981a863e3716fd48bf247d18820b19e9

(this sample)

  
Delivery method
Distributed via web download

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