MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e
SHA3-384 hash: 512c49be24a5105bf47c5982f169855721f5b9ecb6d61e3315c39c57ab13cca0b8d9a64e6a97e47c251df15f8fa3ceba
SHA1 hash: e2b544ee24cb3dab4270b7d57b1457306af9eb87
MD5 hash: 5a662fa3fe7bd87c25ffae3c34f3a906
humanhash: lithium-gee-south-violet
File name:top1miku.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:37'140 bytes
First seen:2025-07-14 11:49:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:04P43YL9qCPN3cqgvR8zjNiVDQpZqWr/W8:04PXR9PtovezpPd
TLSH T16CF2E18B9EAA5999C92D087590EF03D33C04B1D07F6243E96B3494DC43BA9CA69CC4BD
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) :37'140 bytes
File size (de-compressed) :97'388 bytes
Format:linux/mipsel
Unpacked file: 5b26eacf09c0af0415e3e3f50b410d1150a8bad792bf2f573808b5dbd2f0fd1f

Intelligence

File Origin
# of uploads :
1
# of downloads :
20
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:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ae20f815-757c-4133-a0d3-e1fee5113f7c
Behavior Graph:
Download SVG
%3 guuid=41343be6-1900-0000-21b8-61fbc40a0000 pid=2756 /usr/bin/sudo guuid=7fca8be9-1900-0000-21b8-61fbcb0a0000 pid=2763 /tmp/sample.bin guuid=41343be6-1900-0000-21b8-61fbc40a0000 pid=2756->guuid=7fca8be9-1900-0000-21b8-61fbcb0a0000 pid=2763 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/41b2f9bd-8ed6-4d17-b40c-d86db7a98569
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1735977
Signature
Antivirus / Scanner detection for submitted sample
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735977 Sample: top1miku.mpsl.elf Startdate: 14/07/2025 Architecture: LINUX Score: 88 17 top1miku.duckdns.org 2->17 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 3 other IPs or domains 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 31 3 other signatures 2->31 7 top1miku.mpsl.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 29 Uses dynamic DNS services 17->29 process4 process5 11 top1miku.mpsl.elf 7->11         started        13 top1miku.mpsl.elf 7->13         started        15 top1miku.mpsl.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e/
Verdict:
Malicious
Threat:
Linux.Worm.Mirai
Link:
https://tip.neiki.dev/file/38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 11:50:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdteebxgq2ob3zxb5cwtzm76mfyi25tzxuc3qpk7bp6eb5y2urha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250714-nzqkfscn5x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/626b4c87-4411-47d7-a124-8f20efc580e7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e

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
Create hunting rule
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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 38e64206e6869c1de6e1e8ad3cb3fe61708d7679bd05b83d5f0bfc40f71aa44e

(this sample)

Mirai

elf 5b26eacf09c0af0415e3e3f50b410d1150a8bad792bf2f573808b5dbd2f0fd1f

  
URLhaus
https://urlhaus.abuse.ch/url/3581188/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5b26eacf09c0af0415e3e3f50b410d1150a8bad792bf2f573808b5dbd2f0fd1f
  
Dropping
MD5 9fe78180d8cac7362fa190a55d0d4c6c

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