MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27
SHA3-384 hash: e12580915d79dab22cdb0da4e5d4bbf9c7d8dac421e866c09c8e5406155bea69640010f1664116aa676ab27685d9bf99
SHA1 hash: 5c2452900051f22d3697d60bfde8ea1c15983027
MD5 hash: f32a2af45078734d85b4a8e14f3d119e
humanhash: missouri-uncle-purple-april
File name:bot.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:93'768 bytes
First seen:2024-08-27 15:45:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oFd1IRgCXUzx7t0fMqlMgcEiyhcgSnyy72wPZnWhZS5xtY+4:oFdmR9XUzxh0fMgMgcEim8yHAdew5b4
TLSH T18F936CC4F243E5F1EC5709B16137EB374B32F0BA111AEA43C7699972DCA2541DA06B9C
telfhash t1675123fb5d7e08ecf3d05844c36e0fd2255adb7b146076b245a368a523e7d8150bac3a
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 NDA0E
Tags:botnet elf fbi.gov mirai Moobot Okiru Yakuza

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Deletes a system binary file
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash lolbin masquerade remote
Link:
https://www.filescan.io/uploads/66cdf4cbb854095a010b23e2/reports/6e688ae1-59b5-4d06-a24d-c162d4978a95/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9bbc2aee-efc0-41b9-a7f4-37e0b6bcb0cf
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1499917
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-08-27 15:46:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wf2w4ukjigsnsk7emnrkldiea5756fcvetjapja6xoqf3cpkdmtq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit
Link:
https://tria.ge/reports/240827-s7l98azdrr/
Behaviour
Loads a kernel module
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Yakuza
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Gafgyt_May_2024
Create hunting rule
Author:NDA0E
Description:Detects Gafgyt
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:unixredflags3
Create hunting rule
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 b1756e514941a4d92be46362a58d04077fdf145524d207a41ebba05d89ea1b27

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3131012/
  
URLhaus
https://urlhaus.abuse.ch/url/3131049/

Comments