MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf
SHA3-384 hash: cfb078f582f7b711878f9ff3bbced33c5c31df41ac8f0763514cb984c8db7c3462603e1af402f2518573c499c34e8007
SHA1 hash: 03bb9659f90768c8f9fe8618faedd92bc7dd58bb
MD5 hash: f5ad00481cefedc90f94b5f4c78f7906
humanhash: bacon-nevada-sodium-lactose
File name:top1miku.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:160'296 bytes
First seen:2025-07-17 18:26:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:yTtRmUjOPdxCIjqEGJqLp01W1jRhDNsPKFdX5CrwLf5qxxxxxxxxxxxxxxxRxMxC:yTOuTIjGSFj1qxxxxxxxxxxxxxxxRxMh
TLSH T1B9F33913B9C084FDC8DAC1744BEFA136D972B06D5238B15F27C9AE236E4DE205B6D690
telfhash t1fd51dc713d2a295861ebf636734fd968f832091009d235e1dfb76de9ce557c00d62432
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/687940928a7d628a81b4f36c/reports/b703563b-ee61-44f3-b98c-446cd530fb6b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 161.97.77.188:2004
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bdad235a-263d-4afc-b263-8caa010d28ab
Behavior Graph:
Download SVG
%3 guuid=7c7b91f5-1700-0000-8b5e-4848d50c0000 pid=3285 /usr/bin/sudo guuid=875b2bf7-1700-0000-8b5e-4848db0c0000 pid=3291 /tmp/sample.bin net guuid=7c7b91f5-1700-0000-8b5e-4848d50c0000 pid=3285->guuid=875b2bf7-1700-0000-8b5e-4848db0c0000 pid=3291 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=875b2bf7-1700-0000-8b5e-4848db0c0000 pid=3291->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=41a5cff7-1700-0000-8b5e-4848dd0c0000 pid=3293 /tmp/sample.bin zombie guuid=875b2bf7-1700-0000-8b5e-4848db0c0000 pid=3291->guuid=41a5cff7-1700-0000-8b5e-4848dd0c0000 pid=3293 clone guuid=1184d5f7-1700-0000-8b5e-4848de0c0000 pid=3294 /tmp/sample.bin write-config zombie guuid=41a5cff7-1700-0000-8b5e-4848dd0c0000 pid=3293->guuid=1184d5f7-1700-0000-8b5e-4848de0c0000 pid=3294 clone guuid=9f860ff8-1700-0000-8b5e-4848e00c0000 pid=3296 /usr/bin/dash guuid=1184d5f7-1700-0000-8b5e-4848de0c0000 pid=3294->guuid=9f860ff8-1700-0000-8b5e-4848e00c0000 pid=3296 execve guuid=61f17df9-1700-0000-8b5e-4848e70c0000 pid=3303 /tmp/sample.bin delete-file dns net send-data guuid=1184d5f7-1700-0000-8b5e-4848de0c0000 pid=3294->guuid=61f17df9-1700-0000-8b5e-4848e70c0000 pid=3303 clone guuid=d4e335f8-1700-0000-8b5e-4848e20c0000 pid=3298 /usr/bin/cp guuid=9f860ff8-1700-0000-8b5e-4848e00c0000 pid=3296->guuid=d4e335f8-1700-0000-8b5e-4848e20c0000 pid=3298 execve guuid=61f17df9-1700-0000-8b5e-4848e70c0000 pid=3303->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 38B a1cb65f6-afd3-5a3a-9fa0-f13741392136 top1miku.duckdns.org:2004 guuid=61f17df9-1700-0000-8b5e-4848e70c0000 pid=3303->a1cb65f6-afd3-5a3a-9fa0-f13741392136 send: 9B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d56715d7-2f71-4a39-af17-2de48572bd81
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1739056
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
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: 1739056 Sample: top1miku.x86_64.elf Startdate: 17/07/2025 Architecture: LINUX Score: 100 38 top1miku.duckdns.org 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 4 other IPs or domains 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Gafgyt 2->48 52 2 other signatures 2->52 10 dash rm top1miku.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash cut 2->15         started        17 7 other processes 2->17 signatures3 50 Uses dynamic DNS services 38->50 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 19 top1miku.x86_64.elf 10->19         started        process6 process7 21 top1miku.x86_64.elf 19->21         started        file8 34 /etc/init.d/sysd, POSIX 21->34 dropped 54 Sample tries to set files in /etc globally writable 21->54 56 Drops files in suspicious directories 21->56 58 Sample tries to persist itself using System V runlevels 21->58 25 top1miku.x86_64.elf sh 21->25         started        27 top1miku.x86_64.elf 21->27         started        signatures9 process10 signatures11 30 sh cp 25->30         started        62 Sample deletes itself 27->62 process12 file13 36 /usr/bin/.sh, ELF 30->36 dropped 64 Drops invisible ELF files 30->64 66 Drops files in suspicious directories 30->66 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 18:08:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=orrtvyqtqfusiebxfh6gy6nl23pmb5ykwfxz632qbpuftaiuws7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence
Link:
https://tria.ge/reports/250717-w3zljaaq7s/
Behaviour
Reads runtime system information
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
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/e295d577-8e7f-4870-abed-100f31576bc2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf

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:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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 74633ae213816924103729fc6c79abd6dec0f70ab16f9f6f500be8598114b4bf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585015/
  
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