MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb9655c0c41db71cc2b31404c3e0c00a0bc48b31bfc08614d4b7a04abd03eaf1. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: cb9655c0c41db71cc2b31404c3e0c00a0bc48b31bfc08614d4b7a04abd03eaf1
SHA3-384 hash: 2e7ee5620749772938fd5bb60a4081ab093e868cf48391928d3e836ef88547f1296bd81b8f12a24e7c99c0aa5401c0c8
SHA1 hash: 02d3fc7246b5f4eff3764da578db753737415cc5
MD5 hash: fdf7ca450ec51a666fe171831efa43ec
humanhash: robert-mexico-neptune-connecticut
File name:boatnet.x86
Download: download sample
Signature Mirai
File size:51'072 bytes
First seen:2025-09-09 07:03:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:I2sylvrDZf2Hb9zbIhiOJKg+iXNpcO/fvynouy8tyr:W0ZE9vDxiX4outW
TLSH T17D33F201BABC2B18D0AF5D38DC6F6C4EB00ABC565F0C92B57BC4371F6878E29252C596
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) :51'072 bytes
File size (de-compressed) :131'628 bytes
Format:linux/i386
Unpacked file: 7c2831329ad7310724c185a1345aa72b795d9f6a674801dd74495b084a3b00bc

Intelligence


File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Manages services
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 46.38.138.58:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-09T05:05:00Z UTC
Last seen:
2025-09-09T05:05:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=7e92129c-2500-0000-c173-b51bd0080000 pid=2256 /usr/bin/sudo guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257 /tmp/sample.bin net write-config write-file guuid=7e92129c-2500-0000-c173-b51bd0080000 pid=2256->guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0300c59e-2500-0000-c173-b51bd2080000 pid=2258 /tmp/sample.bin guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257->guuid=0300c59e-2500-0000-c173-b51bd2080000 pid=2258 clone guuid=68e8f99e-2500-0000-c173-b51bd3080000 pid=2259 /usr/bin/dash guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257->guuid=68e8f99e-2500-0000-c173-b51bd3080000 pid=2259 execve guuid=1fa2b8a0-2500-0000-c173-b51bd5080000 pid=2261 /usr/bin/dash guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257->guuid=1fa2b8a0-2500-0000-c173-b51bd5080000 pid=2261 execve guuid=0cf5fba3-2500-0000-c173-b51bd7080000 pid=2263 /tmp/sample.bin net send-data zombie guuid=e008139e-2500-0000-c173-b51bd1080000 pid=2257->guuid=0cf5fba3-2500-0000-c173-b51bd7080000 pid=2263 clone guuid=70c5479f-2500-0000-c173-b51bd4080000 pid=2260 /usr/bin/systemctl guuid=68e8f99e-2500-0000-c173-b51bd3080000 pid=2259->guuid=70c5479f-2500-0000-c173-b51bd4080000 pid=2260 execve guuid=555702a1-2500-0000-c173-b51bd6080000 pid=2262 /usr/bin/systemctl guuid=1fa2b8a0-2500-0000-c173-b51bd5080000 pid=2261->guuid=555702a1-2500-0000-c173-b51bd6080000 pid=2262 execve guuid=0cf5fba3-2500-0000-c173-b51bd7080000 pid=2263->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con f782ed01-a8d7-5fa9-b194-809f8800608c 46.38.138.58:3778 guuid=0cf5fba3-2500-0000-c173-b51bd7080000 pid=2263->f782ed01-a8d7-5fa9-b194-809f8800608c send: 7B
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1773767 Sample: boatnet.x86.elf Startdate: 09/09/2025 Architecture: LINUX Score: 68 29 46.38.138.58, 3778, 50416 AZMA-ASIR United Kingdom 2->29 31 54.171.230.55, 443, 58878 AMAZON-02US United States 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 39 Sample is packed with UPX 2->39 8 boatnet.x86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 file5 27 /usr/local/bin/infinitd, ELF 8->27 dropped 15 boatnet.x86.elf sh 8->15         started        17 boatnet.x86.elf sh 8->17         started        19 boatnet.x86.elf 8->19         started        21 boatnet.x86.elf 8->21         started        process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-09-09 06:55:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
UPX packed file
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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:CP_AllMal_Detector
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
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: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 cb9655c0c41db71cc2b31404c3e0c00a0bc48b31bfc08614d4b7a04abd03eaf1

(this sample)

  
Delivery method
Distributed via web download

Comments