MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a
SHA3-384 hash: 348f19c6dc73be3630c096cdb37dec822a0dd9bca24df95745f68656d7421ea33a0fdf156b0fdcbffebeb64e39379ab7
SHA1 hash: 62772c6511a8683e739e9ec6fa2a913f2ba1b25a
MD5 hash: d797ad5e24a7d5b32bb319d478d488b2
humanhash: georgia-friend-charlie-yankee
File name:boatnet.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:25'820 bytes
First seen:2026-01-30 15:08:42 UTC
Last seen:2026-01-30 15:28:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:9gLCdFkuASsA0IBHoYFkFLN7vIxdgjelHje3uOs0kLMHssAg:Yec3AhBILLNcxaoHjeHsNMHxT
TLSH T181C2E158CE263472F06F8179B50785D6A8FBB26D760CAF163550A4DB36CBC7418F8174
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) :25'820 bytes
File size (de-compressed) :54'688 bytes
Format:linux/amd64
Unpacked file: 0459638d6407e01a4e91f057adbde65fb1ad64454f7fd254ae92b29c9d059ef4

Intelligence

File Origin
# of uploads :
2
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d9fe47ab-25be-42af-9b04-a231af6641af/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/697cc9a7981ff1d38a41c913/reports/ecf02902-430e-4c68-bbf6-e4af0e16ec3a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-30T08:05:00Z UTC
Last seen:
2026-01-31T23:37:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/41e88208-a85d-4db2-b2bb-07140dacaecc
Behavior Graph:
Download SVG
%3 guuid=91dbf8b0-1b00-0000-eda5-a2a67b0c0000 pid=3195 /usr/bin/sudo guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199 /tmp/sample.bin mprotect-exec net guuid=91dbf8b0-1b00-0000-eda5-a2a67b0c0000 pid=3195->guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9ee6f9b2-1b00-0000-eda5-a2a6810c0000 pid=3201 /tmp/sample.bin zombie guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199->guuid=9ee6f9b2-1b00-0000-eda5-a2a6810c0000 pid=3201 clone guuid=9dacffb2-1b00-0000-eda5-a2a6820c0000 pid=3202 /tmp/sample.bin guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199->guuid=9dacffb2-1b00-0000-eda5-a2a6820c0000 pid=3202 clone guuid=7f0903b3-1b00-0000-eda5-a2a6830c0000 pid=3203 /tmp/sample.bin net send-data zombie guuid=6276cab2-1b00-0000-eda5-a2a67f0c0000 pid=3199->guuid=7f0903b3-1b00-0000-eda5-a2a6830c0000 pid=3203 clone guuid=7f0903b3-1b00-0000-eda5-a2a6830c0000 pid=3203->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 713032c8-f7c4-5455-b885-e4dbd87df246 45.137.98.97:3778 guuid=7f0903b3-1b00-0000-eda5-a2a6830c0000 pid=3203->713032c8-f7c4-5455-b885-e4dbd87df246 send: 20B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/285706f5-2c50-4dee-beb7-453d63f3b17b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1860577
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)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860577 Sample: boatnet.x86_64.elf Startdate: 30/01/2026 Architecture: LINUX Score: 64 24 45.137.98.97, 34188, 3778 AS43260TR Lithuania 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 7 boatnet.x86_64.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.x86_64.elf 7->15         started        18 boatnet.x86_64.elf 7->18         started        20 boatnet.x86_64.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 34 Sample tries to kill multiple processes (SIGKILL) 15->34
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-30 15:07:45 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsnwdjilvyxdgi35vyyx2tatwojqxaqo65at3ot2ua4ehucfsjna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260130-sjnhdafv8b/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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/b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a

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_Trojan_Ircbot_bb204b81
Create hunting rule
Author:Elastic Security
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 b49b61a50bae2e33237dae317d4c13b3930b820ef7413dba7aa03843d045925a

(this sample)

Mirai

elf 0459638d6407e01a4e91f057adbde65fb1ad64454f7fd254ae92b29c9d059ef4

  
URLhaus
https://urlhaus.abuse.ch/url/3766196/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0459638d6407e01a4e91f057adbde65fb1ad64454f7fd254ae92b29c9d059ef4
  
Dropping
MD5 1d9508c57df9b01cd714d16b5c414d40

Comments