MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea886b1c4bb52708c9a4969bd9530036a80e34447a09ab76e334b060370d8733. 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 3 File information Comments

SHA256 hash: ea886b1c4bb52708c9a4969bd9530036a80e34447a09ab76e334b060370d8733
SHA3-384 hash: 78ec21850f844de644a16a9a1a4da30cc28b61447290beb0efe20a0c9ea279ebd6df4a3b42dc9c3b447336324c313e81
SHA1 hash: 11b7193dbe8045399c4bba304a04817087c52150
MD5 hash: 7c16e1b062c16b73eef911783eb34375
humanhash: shade-tennis-leopard-michigan
File name:top1miku.mips
Download: download sample
Signature Mirai
File size:202'884 bytes
First seen:2025-07-17 18:26:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Wm66h+rVvF7B61wy6YfWcz9/q35n9htuUd:9V4NBQ6wV/wZ9hQUd
TLSH T17A14B84E6E228F7DF768C73047B74A20975D23DA27E1D685D2ACC1105F6029E681FFA8
telfhash t1c1419f18097817f0a23a5c5d099dff77e6a330db7e162c378e11e86aa769b839d11c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

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
Sets a written file as executable
DNS request
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
147
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 161.97.77.188:2004
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=6cddacaf-1800-0000-8e65-b4239d070000 pid=1949 /usr/bin/sudo guuid=c1a6abb3-1800-0000-8e65-b4239e070000 pid=1950 /tmp/sample.bin guuid=6cddacaf-1800-0000-8e65-b4239d070000 pid=1949->guuid=c1a6abb3-1800-0000-8e65-b4239e070000 pid=1950 execve
Result
Threat name:
Gafgyt, Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739048 Sample: top1miku.mips.elf Startdate: 17/07/2025 Architecture: LINUX Score: 100 36 109.202.202.202, 80 INIT7CH Switzerland 2->36 38 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->38 40 3 other IPs or domains 2->40 42 Antivirus detection for dropped file 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 3 other signatures 2->48 10 top1miku.mips.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 58 Found strings related to Crypto-Mining 10->58 17 top1miku.mips.elf 10->17         started        process6 process7 19 top1miku.mips.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 50 Sample tries to set files in /etc globally writable 19->50 52 Drops files in suspicious directories 19->52 54 Sample tries to persist itself using System V runlevels 19->54 23 top1miku.mips.elf sh 19->23         started        25 top1miku.mips.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        56 Sample deletes itself 25->56 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 60 Drops invisible ELF files 28->60 62 Drops files in suspicious directories 28->62 signatures14
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-17 18:08:01 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:unixredflags3
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 ea886b1c4bb52708c9a4969bd9530036a80e34447a09ab76e334b060370d8733

(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

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