MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81cfe7a09c71db0776f0baba68bc38e9ad9bc079e3805f15a57ee4a8faaea77a. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 81cfe7a09c71db0776f0baba68bc38e9ad9bc079e3805f15a57ee4a8faaea77a
SHA3-384 hash: aba504c512b977166cbb1763d4dae3edba64d378a06ec99367599050540c397efb77dbc0e6899d412e73c3af6c960b6b
SHA1 hash: 1002ffdbf1f910d36969ae57bb9ed0080e274c5b
MD5 hash: 1b041369f4014005f22fc5fe394f44b6
humanhash: east-march-oranges-california
File name:boatnet.arm5
Download: download sample
Signature Mirai
File size:22'664 bytes
First seen:2026-01-28 12:50:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:VeY2zmbaEsSqxO5+BBOJmKdI1ORGSYPgCcTaFgJCOEXfbnhymdGUop5hoBg:UQXsVxq+AJj2PSYP7yEjs3UozeBg
TLSH T18CA2D05547131492D174E8B6F89CD21273A185F8C2FC767002A4FB28ABCE3DAE6F4B85
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) :22'664 bytes
File size (de-compressed) :58'704 bytes
Format:linux/arm
Unpacked file: d5beda892991d6888abef4fd2a4c26b37416ba69d9b234751fcbe0e7b3cce243

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
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=fa066d27-1b00-0000-0dd7-dcdb5b0c0000 pid=3163 /usr/bin/sudo guuid=0396b92a-1b00-0000-0dd7-dcdb610c0000 pid=3169 /tmp/sample.bin guuid=fa066d27-1b00-0000-0dd7-dcdb5b0c0000 pid=3163->guuid=0396b92a-1b00-0000-0dd7-dcdb610c0000 pid=3169 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
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:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-28 12:51:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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: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 81cfe7a09c71db0776f0baba68bc38e9ad9bc079e3805f15a57ee4a8faaea77a

(this sample)

  
Delivery method
Distributed via web download

Comments