MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690
SHA3-384 hash: 6cdf9e36198133fe305c310629a7f86ea047695ac097155eda55b741a6a407ae870367c39a8f9070ba835d68ed073743
SHA1 hash: 4053645fa10121193812a4e35908d745e657b3ab
MD5 hash: 0074d6abc574ea6ba8db9f955b1e1419
humanhash: freddie-coffee-jupiter-football
File name:top1miku.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:97'384 bytes
First seen:2025-07-14 11:39:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lRXpeBDgwcvVopWOzZl8P6dTAaIhcnezTkcv80h/tT:NeBDcvdO1l8PMTvccUTvE0h/tT
TLSH T11193844D7E219F7DFBA8823447B78F21AA5823D637E1D6C5D1ACD6012E7024E241FBA4
telfhash t12e11486c483813f0e7b52cde6bedfb76e05070db1a225e338e40e9ad9a6d8418d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d
File size (compressed) :36'584 bytes
File size (de-compressed) :99'764 bytes
Format:linux/mips
Packed file: 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Deletes a system binary file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash botnet lolbin masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6874ecb41bf7248a928acff9/reports/2f4c61a0-ab09-4f2c-94d5-fdc0bcd913fc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
39
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690
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/8e042b33-cfbc-434e-8fbf-633f5a446b85
Behavior Graph:
Download SVG
%3 guuid=d446f822-1a00-0000-f639-492eed090000 pid=2541 /usr/bin/sudo guuid=f3a64b25-1a00-0000-f639-492ef4090000 pid=2548 /tmp/sample.bin guuid=d446f822-1a00-0000-f639-492eed090000 pid=2541->guuid=f3a64b25-1a00-0000-f639-492ef4090000 pid=2548 execve
Gathering data
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1735968
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Uses dynamic DNS services
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735968 Sample: top1miku.mips.elf Startdate: 14/07/2025 Architecture: LINUX Score: 88 22 top1miku.duckdns.org 2->22 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 2 other signatures 2->36 7 top1miku.mips.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 15 top1miku.mips.elf 7->15         started        18 top1miku.mips.elf 7->18         started        20 top1miku.mips.elf 7->20         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 11:40:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rh7wnqxqlh4myodkusxxbircrz5pqx54brkqcv54e7enk5rna2ia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250714-ns3lfa1ms2/
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
Link:
https://app.threat.zone/submission/5bdc1fc4-00aa-4eb9-bcec-a5e593501adf
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/89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d

Mirai

elf 89ff66c2f059f8cc386aa4af70a2228e7af85fbc0c550157bc27c8d5762d0690

(this sample)

  
Dropped by
SHA256 3de3fa9555bee8fa8a2162bde42cc025e3f10908075f847c14053620d6b7e92d
  
URLhaus
https://urlhaus.abuse.ch/url/3581123/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 0b33a44f404c7cef42e9690b751562c4

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