MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b6090baf636cb98d42a8eec93a4b6cb10ef8762a360529df6c76eb03321de4c. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 4b6090baf636cb98d42a8eec93a4b6cb10ef8762a360529df6c76eb03321de4c
SHA3-384 hash: 172c5ee0c16dbe97fa20d193b9ee2b28b5ab8b72fce506dca7afb6f9a31efca2e3c6dc0fbc3c2bb62fe44216702b7ae0
SHA1 hash: 1f6bbe5b2dc2b8e73a2d1d297f1854adc75ddbc5
MD5 hash: 5ae635c9da1f3fea07ae0a623063900a
humanhash: montana-summer-black-kansas
File name:neon.mipsel
Download: download sample
Signature Mirai
File size:239'316 bytes
First seen:2025-05-17 03:40:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:tr7ufADKja8uz8GMtQBDU/FfCYOsO0xY1dp3SAGiNLPM:tr7gADKjruz8FWdUNaYOsO02r4ApLE
TLSH T18D34D70AAB610FFBD8AFCD3706E91B0129CC540722A93B367674D524F54A64F5AE3C78
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 fb9ed6032a501cc1dc9b28550feeeda01dbc889b585cf3a9d175a43e3ef18c45
File size (compressed) :72'064 bytes
File size (de-compressed) :239'316 bytes
Format:linux/mipsel
Packed file: fb9ed6032a501cc1dc9b28550feeeda01dbc889b585cf3a9d175a43e3ef18c45

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin remote
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1692576 Sample: neon.mipsel.elf Startdate: 17/05/2025 Architecture: LINUX Score: 88 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 2 other signatures 2->31 7 neon.mipsel.elf 2->7         started        process3 process4 9 neon.mipsel.elf 7->9         started        11 neon.mipsel.elf 7->11         started        13 neon.mipsel.elf 7->13         started        15 5 other processes 7->15 process5 17 neon.mipsel.elf 9->17         started        19 neon.mipsel.elf 9->19         started        21 neon.mipsel.elf 9->21         started        23 4 other processes 9->23
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-17 03:41:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (818849) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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_Oct19
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 4b6090baf636cb98d42a8eec93a4b6cb10ef8762a360529df6c76eb03321de4c

(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