MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155
SHA3-384 hash: 5cbb2d232b9e40eeec05e1bdaf7017697c4ba04cd33370094ea419b8716793c9b8ca39e8d1a27a7fff239e03cfd475bb
SHA1 hash: cac619f2bf4723f93fa5d3aa654cb59c4a284a27
MD5 hash: ed52efc23c9bcb9d2d3351150b080c45
humanhash: potato-blue-fanta-saturn
File name:top1miku.powerpc-440fp
Download: download sample
Signature Mirai
Create hunting rule
File size:169'816 bytes
First seen:2025-07-31 19:20:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ufSeD6LW7rWYPsZ7TzM6tMa3Ovj59OG9axdZxr6cOZX2FnocnNM0/RoCrrpXr4vr:JmvW79O9OTx5NOZsNM9CrVNqVXx
TLSH T1BCF35B02B71C0943E1531EF4363F17E1839F99A224F9F644790EEE4A96B2E32554ADCE
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135957-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a file as executable
Receives data from a server
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
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
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688bc234dc44c87d07798e99/reports/1958296d-2c34-470c-9d84-bf9a2d30cda6/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2ea2887f-fbaa-4656-9c90-85bc2d105096
Behavior Graph:
Download SVG
%3 guuid=9abfd411-1800-0000-bf0b-9f653b0d0000 pid=3387 /usr/bin/sudo guuid=77868413-1800-0000-bf0b-9f65420d0000 pid=3394 /tmp/sample.bin guuid=9abfd411-1800-0000-bf0b-9f653b0d0000 pid=3387->guuid=77868413-1800-0000-bf0b-9f65420d0000 pid=3394 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3afd9ac5-2d69-4629-b23c-c4ea3108a72d
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1748059
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
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
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748059 Sample: top1miku.powerpc-440fp.elf Startdate: 31/07/2025 Architecture: LINUX Score: 100 44 top1miku.duckdns.org 2->44 46 82.176.231.222 ZEELANDNETDELTAFiberNederlandNL Netherlands 2->46 48 99 other IPs or domains 2->48 50 Antivirus detection for dropped file 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 58 4 other signatures 2->58 10 top1miku.powerpc-440fp.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 56 Uses dynamic DNS services 44->56 process4 signatures5 68 Found strings related to Crypto-Mining 10->68 17 top1miku.powerpc-440fp.elf 10->17         started        process6 process7 19 top1miku.powerpc-440fp.elf 17->19         started        file8 40 /etc/init.d/sysd, POSIX 19->40 dropped 60 Sample tries to set files in /etc globally writable 19->60 62 Drops files in suspicious directories 19->62 64 Sample tries to persist itself using System V runlevels 19->64 23 top1miku.powerpc-440fp.elf sh 19->23         started        25 top1miku.powerpc-440fp.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        66 Sample deletes itself 25->66 32 top1miku.powerpc-440fp.elf sh 25->32         started        34 top1miku.powerpc-440fp.elf sh 25->34         started        36 top1miku.powerpc-440fp.elf sh 25->36         started        38 9 other processes 25->38 process12 file13 42 /usr/bin/.sh, ELF 28->42 dropped 70 Drops invisible ELF files 28->70 72 Drops files in suspicious directories 28->72 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 19:21:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=igl7as7sdj7etou5gjejv7xdylp66hdwf3gy45ogqrgvpbkzcfkq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250731-x2sx2aep9z/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135957-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e5c4f4b3-ea54-49fb-b8ff-9d4694bf080c
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/4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 4197f04bf21a7e49ba9d32489afee3c2dfef1c762ecd8e75c6844d5785591155

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593827/
  
Delivery method
Distributed via web download

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