MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23
SHA3-384 hash: 0bc8388de9939be6f570c3d9dccad8e91a1e04b8f37b4b02bc0bd75dd84c2409baa5773a58349a5f0d9c0dd5d6ae3db5
SHA1 hash: dbc9bff6ff23f8616586dd9dc182454ec264b54d
MD5 hash: 48993b6672ed94fd6761f878c525c5ef
humanhash: september-oven-eight-south
File name:nabx86
Download: download sample
Signature Mirai
Create hunting rule
File size:34'460 bytes
First seen:2025-02-25 06:11:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:KkD+Xd2aWUU3435E1TtEuwCu877RW8sA:KkDSdHiTVVu0lbsA
TLSH T1F9F24A86C883D4F5E8110AB5B47B6F768A32D53A20D5EF87D34EDA32DD41A11E2073AC
telfhash t15c11d3a13d6254f8f1d0bd8d431e66436f32a9761f5268fa80f42fc137f1155e4b1914
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 :
39
Origin country :
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bd5fc628ab76d43a5cf7f6linux22vpnfull_triage
Tags:
shellcode phishing backdoor overt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67bd5f416a4cecd3f28fb6e6/reports/33f41e39-345b-4ae8-a197-edff9f9b43a7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
68
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14a3a94f-c75c-4def-922a-c0270930959d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1623334
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623334 Sample: nabx86.elf Startdate: 25/02/2025 Architecture: LINUX Score: 60 18 serisbot.geek. [malformed] 2->18 20 155.72.150.3 ZAMRENZM United States 2->20 22 100 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 nabx86.elf 2->8         started        signatures3 28 Sends malformed DNS queries 18->28 process4 process5 10 nabx86.elf 8->10         started        process6 12 nabx86.elf 10->12         started        14 nabx86.elf 10->14         started        16 nabx86.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 06:12:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zald4nlgon7h6plya5kcvthiwhldvegxtpgvle7yddm572tpr4rq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux rootkit
Link:
https://tria.ge/reports/250225-gx93rasjv3/
Behaviour
Creates a large amount of network flows
Loads a kernel module
Unexpected DNS network traffic destination
Contacts a large (14798) amount of remote hosts
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9970440-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/a233bf42-e0f9-45d2-af9d-375b214bd59a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23

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: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_b14f4c5d
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

sh 237bc5dcb13034c4d873939acce866eb839e553e18e0128c8c3263f4bf88aed4

Mirai

elf c8163e3566737e7f3d7807542acce8b1d63a90d79bcd5593f818d9dfea6f8f23

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422917/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422912/
  
URLhaus
https://urlhaus.abuse.ch/url/3424071/
  
Dropped by
SHA256 237bc5dcb13034c4d873939acce866eb839e553e18e0128c8c3263f4bf88aed4
  
Dropped by
MD5 9d85a3b8232b63d2791de7c1e14f5107
  
URLhaus
https://urlhaus.abuse.ch/url/3458222/
  
URLhaus
https://urlhaus.abuse.ch/url/3458410/
  
URLhaus
https://urlhaus.abuse.ch/url/3458499/
  
URLhaus
https://urlhaus.abuse.ch/url/3458507/
  
URLhaus
https://urlhaus.abuse.ch/url/3458721/
  
URLhaus
https://urlhaus.abuse.ch/url/3458748/

Comments