MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd
SHA3-384 hash: 85f6dfc3400dbc8b8378321d763188663f287131e6617b7697b0c426b1d7fd7ce345095ab36cfa54cbe263a2cb3de058
SHA1 hash: 88a8ec4904d66bb448b4c888812e19ce4aaae730
MD5 hash: 1abdda74a3edebd28686176cb7eabee3
humanhash: april-fruit-oklahoma-gee
File name:nullnet_load.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:74'512 bytes
First seen:2025-08-04 22:02:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oJCMny54LiYugKbKz78/2nW6r/G81XpQkE18HbZNWFov4bzEleyb/4bgtum:oBnyqLiljiw/2nDr+81XpQ/CHbMcNj
TLSH T12D735DC8A5C3F9F0EC000A783077EB71AD77F53B6179DE9BE3E96563A841602910229D
telfhash t14011a3fa0c754ce8b7e09901c35d1b32396d6a777a6025b506f3213132a678664b6c39
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 :
29
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135937-0
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Unix.Dropper.Mirai-7136014-0
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Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10030493-0
Create hunting rule

Unix.Trojan.Mirai-1
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68912dfa9dbaf6e4b221a469/reports/6e186349-0470-4bba-953e-270fc48908d4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46d8af62-051b-406a-b47c-8ad5593eaa0f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1750163
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750163 Sample: nullnet_load.x86.elf Startdate: 05/08/2025 Architecture: LINUX Score: 80 22 41.77.133.211, 37215 moztel-asMZ Mozambique 2->22 24 197.152.130.227 airtel-tz-asTZ Tanzania United Republic of 2->24 26 99 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 nullnet_load.x86.elf 2->8         started        signatures3 process4 process5 10 nullnet_load.x86.elf 8->10         started        12 nullnet_load.x86.elf 8->12         started        process6 14 nullnet_load.x86.elf 10->14         started        16 nullnet_load.x86.elf 10->16         started        18 nullnet_load.x86.elf 10->18         started        20 nullnet_load.x86.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-12-27 04:49:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdmsltno455l26mt4u2r7rqruozycwth4xagd2eloefivv2jppgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi credential_access defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250804-1x3s8ayjs7/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (70458) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
net.booter.pro
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-7135937-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_575f5bc8 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 elf_mirai_auto
Link:
https://app.threat.zone/submission/727c47d0-1138-4ecc-97a2-337e03b4d6c5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd

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:CVE_2017_17215
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Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_575f5bc8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
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

sh a0087e45bf906516347bfb62595534e59fafe2e0c398bb186101ed0d68f793f7

Mirai

elf b8d925cdaee77abd7993e5351fc611a3b3815a67e5c061e88b710a8ad7497bcd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3596288/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 a0087e45bf906516347bfb62595534e59fafe2e0c398bb186101ed0d68f793f7
  
Dropped by
MD5 61dd436a8d5e11f613c0f9fb2b54c440
  
URLhaus
https://urlhaus.abuse.ch/url/3596299/

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