MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834. 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: 049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834
SHA3-384 hash: 4d2a42f22517ba7925e81c90351cbf328432a4eb39e94718a717d933875ab1945a1cdc5ae32e81346bd0744d16d650e7
SHA1 hash: 4240d67b0b700cd83b221f518cafca21c48ce50b
MD5 hash: a772569a4d256423bd1c03ca65a63edd
humanhash: michigan-yankee-south-shade
File name:nabx86
Download: download sample
Signature Mirai
Create hunting rule
File size:35'644 bytes
First seen:2025-03-10 00:51:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:fVcMy41Py+KevyMeTZEKS6oBHEUUyTu1zxUHWwYRKKfIDis3x1d2yL1lgS9BmXOU:Yn+TgTZ2t4+HWwOUhXVLpmXOH9n/
TLSH T13FF23B459983D9F5E82115F1743FAFB14B32D93E2091EE86D79DD132EE02946E20B38D
telfhash t171213aa1bde209f5f3d1bc4d9f6e17526b3a6563193229fc00f22ec337f21661065455
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 :
87
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ce3a030d1b39e3a2089933linux22vpnfull_triage
Tags:
phishing mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Creating a file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67ce37ba4a3011c802cbadf0/reports/44554227-e643-48f0-a7ec-a1a35972d8a0/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
59
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834
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/2e602a2c-b34c-4ac7-8347-74f85d22629c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1633186
Signature
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
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1633186 Sample: nabx86.elf Startdate: 10/03/2025 Architecture: LINUX Score: 64 18 watchmepull.dyn. [malformed] 2->18 20 147.57.143.73 WA-STATE-GOVUS 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 28 Connects to many ports of the same IP (likely port scanning) 2->28 8 nabx86.elf 2->8         started        signatures3 30 Sends malformed DNS queries 18->30 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/049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 00:52:12 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=asmudrwfv5dl7ba7nr2n6bj5tbr7d2nt6g5n7e6h4xa76oin3a2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/250310-a75sfsxkt2/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (14694) 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/7803f527-4113-4109-bb95-9cbc00351f03
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/049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834

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

elf 049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3470188/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3436400/
  
URLhaus
https://urlhaus.abuse.ch/url/3422912/
  
URLhaus
https://urlhaus.abuse.ch/url/3424071/
  
URLhaus
https://urlhaus.abuse.ch/url/3422917/

Comments