MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb
SHA3-384 hash: 42d97b31d1afc29654105ca7a8c7ed76bb23129ac78c68035fa654f0fc4e7748e2d81d623b64f797b4ae9e9661892660
SHA1 hash: b5bed73da0558e0b29cb392a2b25fa9392d8d0d5
MD5 hash: 37a70400ea29b707c4664502bef0c08d
humanhash: washington-jig-mountain-queen
File name:top1miku.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:40'216 bytes
First seen:2025-07-14 18:09:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Vi0BMT7TPwqHunfXX3ByQLMADH8cxLujSeUxHHm2FZZhtjxsmzeiQo1FghPJgGlc:Vi0Bc79H8ftVLo5UxHG2FZZTKmYJVJuR
TLSH T12C03F19D019604E5C6E8C0BE13FD076512D1177A93668849AE9CFA409662E3D3C63EFE
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) :40'216 bytes
File size (de-compressed) :102'920 bytes
Format:linux/mips
Unpacked file: dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90

Intelligence

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

Behaviour
Opens a port
Connection attempt
Runs as daemon
DNS request
Deletes a system binary file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6875482e8a7d628a81ae2845/reports/fae123a8-2e60-4c7e-911f-c7b9679cdd47/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
86
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0134911e-e835-4060-8baf-bd4a047c7025
Behavior Graph:
Download SVG
%3 guuid=97277c56-1800-0000-243c-45e910070000 pid=1808 /usr/bin/sudo guuid=1f1d9d58-1800-0000-243c-45e917070000 pid=1815 /tmp/sample.bin guuid=97277c56-1800-0000-243c-45e910070000 pid=1808->guuid=1f1d9d58-1800-0000-243c-45e917070000 pid=1815 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/323f2c69-061f-4cbb-8628-837c6d81566c
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1736418
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736418 Sample: top1miku.mips.elf Startdate: 14/07/2025 Architecture: LINUX Score: 80 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 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       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 18:10:39 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wiquoshjurzvgosaeuak3o4huqlkuskasedtxdd7end6fjm7z25q._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-wsbfyshp91/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/813715b4-145c-4de7-8b64-e976afb59b3e
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/b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb

(this sample)

Mirai

elf dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90

  
Dropping
SHA256 dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90
  
Dropping
MD5 089683e6403dca8d02e67b1a7ecd147f
  
URLhaus
https://urlhaus.abuse.ch/url/3581123/
  
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