MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90. 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: dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90
SHA3-384 hash: d67c4cf331efb3f3f0b694ca2f875d641dd77dc96204bc57bceed724d5697286e476c89412500b4095b172e06b232391
SHA1 hash: 1d556d074037960e3c42290f102448c5b77f64fe
MD5 hash: 089683e6403dca8d02e67b1a7ecd147f
humanhash: beer-five-mississippi-alpha
File name:top1miku.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:102'876 bytes
First seen:2025-07-14 18:10:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:asUy/f7KGSb5JME9zWRjLvvluUtGVLSd2mdU2eq5m+a1UQ4R:aI/f6JMEuL1uUtGVLK2mSCmLB4R
TLSH T1A0A3C64D7E315FBDFBA8923453B38E21AA5833D623E1C685D1ACE6411E7024F241FBA5
telfhash t1f6113618883823f0d7b60ddd67ecfb76e49170ef0a266e338d00e95aaa5dd429d01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb
File size (compressed) :40'216 bytes
File size (de-compressed) :102'920 bytes
Format:linux/mips
Packed file: b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb

Intelligence

File Origin
# of uploads :
1
# of downloads :
20
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.28959.LC.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-7135898-0
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.Trojan.Mirai-9950762-0
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
Opens a port
Sends data to a server
DNS request
Connection attempt
Runs as daemon
Deletes a system binary file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash botnet lolbin mirai remote
Link:
https://www.filescan.io/uploads/687548578a7d628a81ae2898/reports/b4b8c40d-5aaf-48bb-969d-bd890a49fc18/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
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/dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90
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/f8e16e0f-72d2-4513-a93c-825cd176ebfb
Behavior Graph:
Download SVG
%3 guuid=39c3d57d-1c00-0000-4674-29cf9e090000 pid=2462 /usr/bin/sudo guuid=de63657f-1c00-0000-4674-29cfa4090000 pid=2468 /tmp/sample.bin guuid=39c3d57d-1c00-0000-4674-29cf9e090000 pid=2462->guuid=de63657f-1c00-0000-4674-29cfa4090000 pid=2468 execve
Gathering data
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1736415
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
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736415 Sample: top1miku.mips.elf Startdate: 14/07/2025 Architecture: LINUX Score: 84 21 top1miku.duckdns.org 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 35 2 other signatures 2->35 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 33 Uses dynamic DNS services 21->33 process4 process5 15 top1miku.mips.elf 7->15         started        17 top1miku.mips.elf 7->17         started        19 top1miku.mips.elf 7->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 18:11:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3qca6rafrybaspjw7kavbbpcacwtq7luwtelxvste7xu25kip6ia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250714-wsnfhswtdv/
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/0698f1cf-2a1c-49b0-ac1a-2e1a96062164
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/dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90

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 b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb

Mirai

elf dc040f44058e02093d36fa815085e200ad387d74b4c8bbd65327ef4d75487f90

(this sample)

  
Dropped by
SHA256 b2214748e9a473533a402500adbb87a416aa494091073b8c7f2347e2a59fcebb
  
Dropped by
MD5 37a70400ea29b707c4664502bef0c08d
  
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