MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364
SHA3-384 hash: 2f324dbf6fbd8605dfedda49dacf96a648aebe7c9969323813440d258d3c763673e1cc4f4e034d499a6a5844ebfdbe49
SHA1 hash: fed8c43b33c316bb5080c0514e5c0a3bb32123a9
MD5 hash: 3fc66f098dcdea34b073e13c733c2929
humanhash: venus-south-summer-utah
File name:top1miku.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:116'232 bytes
First seen:2025-07-17 18:26:44 UTC
Last seen:2025-07-17 20:20:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:cqwR72fjCaDHJ03NOhlsD6pWWc+BA4GRpyYQyDtnivC/:O72f+99Ug57+BA4GRyC
TLSH T13AB33AC1FA8BC0F6D9534870402BB33FCB32D4399031D66AEF5A9E26DA27581961739D
telfhash t16d5107fa6a7d1ce897d09401934f6f223d4eab7b1450337106b3d5353267e8256bac39
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 :
3
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Mirai-CZE.24054.30924.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Runs as daemon
Substitutes an application name
Writes files to system directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6879409912460d69545edd49/reports/d4250069-34f3-44e6-ac51-69c11b497ece/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/238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364
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/ec317a98-425e-4048-9df3-dd77160b6c0f
Behavior Graph:
Download SVG
%3 guuid=85d074a5-1a00-0000-966b-2e14940b0000 pid=2964 /usr/bin/sudo guuid=5a0c0ea8-1a00-0000-966b-2e14970b0000 pid=2967 /tmp/sample.bin net guuid=85d074a5-1a00-0000-966b-2e14940b0000 pid=2964->guuid=5a0c0ea8-1a00-0000-966b-2e14970b0000 pid=2967 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5a0c0ea8-1a00-0000-966b-2e14970b0000 pid=2967->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d974e2a8-1a00-0000-966b-2e149b0b0000 pid=2971 /tmp/sample.bin guuid=5a0c0ea8-1a00-0000-966b-2e14970b0000 pid=2967->guuid=d974e2a8-1a00-0000-966b-2e149b0b0000 pid=2971 clone guuid=689af8a8-1a00-0000-966b-2e149c0b0000 pid=2972 /tmp/sample.bin write-config zombie guuid=d974e2a8-1a00-0000-966b-2e149b0b0000 pid=2971->guuid=689af8a8-1a00-0000-966b-2e149c0b0000 pid=2972 clone guuid=2377d1ac-1a00-0000-966b-2e14a70b0000 pid=2983 /usr/bin/dash guuid=689af8a8-1a00-0000-966b-2e149c0b0000 pid=2972->guuid=2377d1ac-1a00-0000-966b-2e14a70b0000 pid=2983 execve guuid=8ffeaeaf-1a00-0000-966b-2e14b10b0000 pid=2993 /tmp/sample.bin delete-file dns net send-data guuid=689af8a8-1a00-0000-966b-2e149c0b0000 pid=2972->guuid=8ffeaeaf-1a00-0000-966b-2e14b10b0000 pid=2993 clone guuid=756911ad-1a00-0000-966b-2e14a90b0000 pid=2985 /usr/bin/cp guuid=2377d1ac-1a00-0000-966b-2e14a70b0000 pid=2983->guuid=756911ad-1a00-0000-966b-2e14a90b0000 pid=2985 execve guuid=8ffeaeaf-1a00-0000-966b-2e14b10b0000 pid=2993->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 266B a1cb65f6-afd3-5a3a-9fa0-f13741392136 top1miku.duckdns.org:2004 guuid=8ffeaeaf-1a00-0000-966b-2e14b10b0000 pid=2993->a1cb65f6-afd3-5a3a-9fa0-f13741392136 send: 32B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cf684037-bed0-4df4-9961-cf4e76d39a3d
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1739050
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 Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739050 Sample: top1miku.i686.elf Startdate: 17/07/2025 Architecture: LINUX Score: 100 32 top1miku.duckdns.org 2->32 34 top1miku.duckdns.org 161.97.77.188, 2004, 49346, 49348 CONTABODE United States 2->34 36 2 other IPs or domains 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 50 Yara detected Xmrig cryptocurrency miner 2->50 10 top1miku.i686.elf 2->10         started        signatures3 52 Uses dynamic DNS services 32->52 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 13 top1miku.i686.elf 10->13         started        process6 process7 15 top1miku.i686.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 38 Sample tries to set files in /etc globally writable 15->38 40 Drops files in suspicious directories 15->40 42 Sample tries to persist itself using System V runlevels 15->42 19 top1miku.i686.elf sh 15->19         started        21 top1miku.i686.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        54 Sample deletes itself 21->54 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 56 Drops invisible ELF files 24->56 58 Drops files in suspicious directories 24->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 18:08:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eofqbqhlzm4jwfwitqypmeh4u5kj7gnq7nhn4xzcns6tr4gvmnsa._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-w3zljassbs/
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
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/6810e669-7ac7-4208-9fb8-7e6f5fb06822
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/238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364

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_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 238b00c0ebcb389b16c89c30f610fca7549f99b0fb4ede5f226cbd38f0d56364

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585022/
  
Delivery method
Distributed via web download

Comments