MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20a75e187cd0957af5d4cc29ae14e8459051298d5fa46fc978c612d3f6de9b88. 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 7 File information Comments 1

SHA256 hash: 20a75e187cd0957af5d4cc29ae14e8459051298d5fa46fc978c612d3f6de9b88
SHA3-384 hash: 040f318c7c1b2345067f79e6e2f8415d9e76da6a688bb08abe86b9c50637b6f22984346e0f2f46459f86361b0238c39d
SHA1 hash: bc23c76a260b223a90e3b2536156351a7c5947a1
MD5 hash: 15fef4aa23891decdcac3886c9dae4d3
humanhash: mango-stairway-east-fillet
File name:15fef4aa23891decdcac3886c9dae4d3
Download: download sample
Signature Mirai
File size:204'988 bytes
First seen:2024-06-11 17:08:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:BEInOwZxngYtvGk6EGViTQO+L9LTmDKw10:BEInOk0kTGViN+LBmDKY
TLSH T1B114C80AAB550EFBDCAFDD3706E91B0129CC645722A43B363674D528F54B94B0AE3C78
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf mips mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Opens a port
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
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
Verdict:
MALICIOUS
Result
Threat name:
Gafgyt, Mirai, Okiru
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Sample deletes itself
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-11 17:09:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_May_2024
Author:NDA0E
Description:Detects Gafgyt
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 20a75e187cd0957af5d4cc29ae14e8459051298d5fa46fc978c612d3f6de9b88

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments



Avatar
zbet commented on 2024-06-11 17:08:34 UTC

url : hxxp://server.kovey-net.ru/nznsnSCwZ356pP/Aqua.mpsl