MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf9fa0c8c8eb7513470a0006724a3b21785c81ee74eb0017afce2d44aef27e6. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 1bf9fa0c8c8eb7513470a0006724a3b21785c81ee74eb0017afce2d44aef27e6
SHA3-384 hash: 8fe9b0d858a48bb423353c673b0eb5ecfc2d0f89671214536ee2b28a9ef3c16dcc57197c5f58a80f4246840a274f3e31
SHA1 hash: 6ad1f11cd4d9bde8e1d9f0bf9e880359d04cf3f1
MD5 hash: cb339678c104445fdade076dabcf1805
humanhash: virginia-queen-helium-steak
File name:bot.x86_64
Download: download sample
Signature Mirai
File size:52'704 bytes
First seen:2025-04-20 14:58:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:23K0VGnwZCAq3bAYd2CGxTb3Kju/RbSZRkPOTGXVD7pK8h9UktdQAnX3Qqx0VK:eNZvcbGTb6aeRkPSe7pK0VvbnfeK
TLSH T16B33F1935EBBB13CD876EEB501299BC8E455AD8133B24C6793F4F0AF0C66EC05512E42
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Deletes a system binary file
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 94.156.115.12:43957
UDP botnet C2(s):
not identified
Result
Threat name:
Gafgyt, Mirai, Okiru
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669859 Sample: bot.x86_64.elf Startdate: 20/04/2025 Architecture: LINUX Score: 100 14 ddwall.duckdns.org. [malformed] 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected Okiru 2->20 26 3 other signatures 2->26 8 bot.x86_64.elf 2->8         started        signatures3 22 Sends malformed DNS queries 14->22 24 Uses dynamic DNS services 14->24 process4 process5 10 bot.x86_64.elf 8->10         started        process6 12 bot.x86_64.elf 10->12         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-04-20 14:59:14 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Mirai
Mirai family
Malware Config
C2 Extraction:
193.233.237.190
Verdict:
Informative
Tags:
n/a
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: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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 1bf9fa0c8c8eb7513470a0006724a3b21785c81ee74eb0017afce2d44aef27e6

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments