MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d. 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: 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d
SHA3-384 hash: 4bd73c974abf6188b2461a81f0c9d9a457a9c8af5ec10a677b17937c1ab84f8c3b8b07316e6898103142d99ffcb84349
SHA1 hash: 73b515e87fc6670bc2c0733151c8cbfe5978b8ba
MD5 hash: 0b33a44f404c7cef42e9690b751562c4
humanhash: fix-happy-princess-ohio
File name:top1miku.mips
Download: download sample
Signature Mirai
File size:36'584 bytes
First seen:2025-07-14 11:38:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:6dFvRfV8nmFX9f5/pJmthL6y9YnUe6MMNUJaLwhJgGlzDpbuR1J/:yFRqmZ9ftkRYnFMN9EzVJuR
TLSH T1DCF2F20D1605A8BEDECB58F717F3176E0F250BDBA0A6CE82101ADE519D6D8B97C412F8
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
File size (compressed) :36'584 bytes
File size (de-compressed) :99'764 bytes
Format:linux/mips
Unpacked file: 89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Deletes a system binary file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
39
Number of processes launched:
4
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
Status:
terminated
Behavior Graph:
%3 guuid=8b99b51d-1900-0000-299c-92d6810f0000 pid=3969 /usr/bin/sudo guuid=b3c7c61f-1900-0000-299c-92d6840f0000 pid=3972 /tmp/sample.bin guuid=8b99b51d-1900-0000-299c-92d6810f0000 pid=3969->guuid=b3c7c61f-1900-0000-299c-92d6840f0000 pid=3972 execve
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735973 Sample: top1miku.mips.elf Startdate: 14/07/2025 Architecture: LINUX Score: 80 17 top1miku.duckdns.org 2->17 19 top1miku.duckdns.org 196.251.66.32, 2068, 52308, 52310 ASDETUKhttpwwwheficedcomGB Seychelles 2->19 21 daisy.ubuntu.com 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Okiru 2->27 31 2 other signatures 2->31 7 top1miku.mips.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 29 Uses dynamic DNS services 17->29 process4 process5 11 top1miku.mips.elf 7->11         started        13 top1miku.mips.elf 7->13         started        15 top1miku.mips.elf 7->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-14 11:39:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
top1miku.duckdns.org
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 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d

(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