MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3
SHA3-384 hash: f6321d61b754ef35a45c38110fde9f5c71b26cecdbddbf1c66629b64566056f9bb3d9992b2da9857366110745e44f063
SHA1 hash: a10f28a79108110cf5114d528b4a04ddc8787fc7
MD5 hash: 953f29ab0451a51db7d0955756c0e651
humanhash: artist-august-foxtrot-michigan
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:65'048 bytes
First seen:2025-02-25 06:11:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6lqEDwNzPHW4hp+GcD09br6LIgw0U886Ymd:9EDezPHYmEIs18jmd
TLSH T1CE53B61E2E218FACFBAC823547B78F21975833D536E1C685D19CE9011EB034D646FBA9
telfhash t10a014f1c483457f057411ded6bedff37d04040eb4a565f338d10f69a9a20a469e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bd5fc328ab76d43a5cf7e8linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67bd5f3f6222db7f23daba19/reports/7f1fed50-53db-4116-a681-e38c9ae2ce2f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e4ccc87e-4cd4-4417-ab3f-634b720f201c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1623336
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623336 Sample: nklmips.elf Startdate: 25/02/2025 Architecture: LINUX Score: 52 18 serisbot.geek. [malformed] 2->18 20 155.66.126.186 ZAMRENZM Switzerland 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 nklmips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 26 Sends malformed DNS queries 18->26 process4 process5 14 nklmips.elf 8->14         started        process6 16 nklmips.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 06:12:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=op5joi572qoebr5qsxgllxv66ztqi7c7npvnmwiifp7oybxw5orq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250225-gx93rasjt9/
Behaviour
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (186266) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9f34d70f-a288-476d-9429-286d9919f31e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3

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: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 73fa9723bfd41c40c7b095ccb5debef667047c5f6bead659082bfeec06f6eba3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3424049/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422919/

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