MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab
SHA3-384 hash: bf339358cb09d7d60ae941e9494fd8dfde1385e4a88cc07cad459de9006fcac5139651d1dffe0b62e19de7a203b8d933
SHA1 hash: f562c88119484f3e92be6e95cb0a435836ca6362
MD5 hash: ce4bd94ea8cbc021bf79e11f1f734c25
humanhash: ten-shade-fix-mississippi
File name:jklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:80'216 bytes
First seen:2025-03-10 23:16:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:974r3wfm9s/eqjGGYNsl5R5bonpp2uq7y1txzu2cS3zXbBR9:Or3j96zENg5R5bonf2up1/u2F3zXB
TLSH T10873961A2E22DF6DFB6C873687B78E209748339126E0C585E16DED015E7074D641FBAC
telfhash t16d012858893813f0c3825d9e6bedff77e49040df5a165e37ce00f9aaab21a469d00d2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cf7b4b0d1b39e3a208e285linux22vpnfull_triage
Tags:
n/a
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
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
51
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab
Behaviour
Process Renaming
Information Gathering
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/2b18a463-913c-4eba-a621-e45c7074dd1c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1634535
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634535 Sample: jklmips.elf Startdate: 11/03/2025 Architecture: LINUX Score: 56 22 watchmepull.dyn. [malformed] 2->22 24 102.95.90.2 ZAINUGASUG Nigeria 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Connects to many ports of the same IP (likely port scanning) 2->30 8 jklmips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 32 Sends malformed DNS queries 22->32 process4 process5 14 jklmips.elf 8->14         started        process6 16 jklmips.elf 14->16         started        18 jklmips.elf 14->18         started        20 jklmips.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 23:17:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56jr3c5eszrgaejlp3jruhqlltkeeo7mya4x5dxk5y2f32idugvq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250310-29qvvssxbz/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (75467) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/38d112a1-b81e-4304-bde3-058c368f0751
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab

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 ef931d8ba4966260112b7ed31a1e0b5cd4423becc0397e8eeaee345de903a1ab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3470130/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3470127/

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