MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c9fcf17257d8cc57069c4cb98bbb050655658d72f1ee54812e9296ad76a89b9. 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 8 File information Comments

SHA256 hash: 3c9fcf17257d8cc57069c4cb98bbb050655658d72f1ee54812e9296ad76a89b9
SHA3-384 hash: f5bcab390360e9a8c71e5fb8ae49692f9c7c8ac3338683dfb77874028d713b2d13b7a2be02e0390b9400be35ec28f904
SHA1 hash: d59773bbb88e6feae2d675a13e0d45a28752ce8b
MD5 hash: 86585ff55da0767f29b1751dccdeacf7
humanhash: jig-stream-cardinal-double
File name:top1miku.mips
Download: download sample
Signature Mirai
File size:101'180 bytes
First seen:2025-07-15 12:07:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rh+JC3ti0pmyF9hlB9Oswb8W0vhkgAe9b6qEGe3:8JWtdF9hX9Oswb8W0JkgpEGe3
TLSH T18AA3D60D7E325F7DFBA9823447B39B11AB5923D523E1D685D2ACD6012E7024E281FFA4
telfhash t19d114c08893813f097765d9a2bedff76e59130df06255e338d00e99eaa6dd815d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 02caf575d834e72d3343ef99aecfdc3e68b5b35cc53593c6c6ec26d8768d55f8
File size (compressed) :38'864 bytes
File size (de-compressed) :101'820 bytes
Format:linux/mips
Packed file: 02caf575d834e72d3343ef99aecfdc3e68b5b35cc53593c6c6ec26d8768d55f8

Intelligence


File Origin
# of uploads :
1
# of downloads :
23
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
36
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.66.32:3778
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=4dc1d05e-1900-0000-2976-ffcd72080000 pid=2162 /usr/bin/sudo guuid=733f9660-1900-0000-2976-ffcd78080000 pid=2168 /tmp/sample.bin guuid=4dc1d05e-1900-0000-2976-ffcd72080000 pid=2162->guuid=733f9660-1900-0000-2976-ffcd78080000 pid=2168 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736959 Sample: top1miku.mips.elf Startdate: 15/07/2025 Architecture: LINUX Score: 76 20 top1miku.duckdns.org 2->20 22 top1miku.duckdns.org 196.251.66.32, 3778, 57696, 57698 ASDETUKhttpwwwheficedcomGB Seychelles 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 top1miku.mips.elf 2->8         started        signatures3 32 Uses dynamic DNS services 20->32 process4 process5 10 top1miku.mips.elf 8->10         started        12 top1miku.mips.elf 8->12         started        14 top1miku.mips.elf 8->14         started        process6 16 top1miku.mips.elf 10->16         started        18 top1miku.mips.elf 10->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-15 12:08:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware 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: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:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 3c9fcf17257d8cc57069c4cb98bbb050655658d72f1ee54812e9296ad76a89b9

(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

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