MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5c3b5b3ee1171cb391a402d33f10f25d7c21d24397b0e2a122175633d2dd6d. 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 3 File information Comments

SHA256 hash: fb5c3b5b3ee1171cb391a402d33f10f25d7c21d24397b0e2a122175633d2dd6d
SHA3-384 hash: c1e6ef6d1ea4777a02528dbef62ef8523b1f01ed9239daa3253df9a96e0f8dd1c150b79c14dbd70dc9f1995086959946
SHA1 hash: 3d691d70d4a003d795fc9b3ee3e312377f3d31b7
MD5 hash: b5ad4dccc83f02004011f6e7d06a98d4
humanhash: beer-mike-glucose-moon
File name:Labello.x86
Download: download sample
Signature Mirai
File size:39'356 bytes
First seen:2025-10-11 06:49:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:7PV4r+bgV0ommqUhaVGjw2fVKZoulVkiGwb1oGuAnbcuyD7UHQRjCf:7dqjuomhUUIMoijH9nouy8HyWf
TLSH T1BF03F196A0D4CFD0D4EB81B175732B095274E322B8C4C8B2E1C0107B9D5DFAAAB3D5E6
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 :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Removes directories
Deleting a recently created file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-10T13:24:00Z UTC
Last seen:
2025-10-11T10:19:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793291 Sample: Labello.x86.elf Startdate: 11/10/2025 Architecture: LINUX Score: 76 23 vicious-net.duckdns.org. [malformed] 2->23 25 ptptonuwu.duckdns.org 2->25 27 3 other IPs or domains 2->27 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 Labello.x86.elf 2->10         started        signatures3 39 Sends malformed DNS queries 23->39 41 Uses dynamic DNS services 25->41 process4 process5 12 Labello.x86.elf 10->12         started        process6 14 Labello.x86.elf 12->14         started        process7 16 Labello.x86.elf 14->16         started        process8 18 Labello.x86.elf 16->18         started        21 Labello.x86.elf 16->21         started        signatures9 29 Manipulation of devices in /dev 18->29 31 Deletes system log files 18->31
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-10 15:25:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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 fb5c3b5b3ee1171cb391a402d33f10f25d7c21d24397b0e2a122175633d2dd6d

(this sample)

  
Delivery method
Distributed via web download

Comments