MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166
SHA3-384 hash: b40a59cca64847b425ee6202551810eca50f21a4cd30607405b387ae421a3d40de7e5f2adad63a544c5f66014ec9ba00
SHA1 hash: caf6fd3ab5ffc6ffac633d98ce964a588fe3afb9
MD5 hash: b904f941bd2fe929fa957ac1e62d21ef
humanhash: quiet-comet-whiskey-five
File name:12
Download: download sample
Signature Mirai
Create hunting rule
File size:114'048 bytes
First seen:2025-01-21 04:27:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:de2FcApvuNz/hHaTG66cz2tSQk3mtNsimb9HiBE3wTIv9qnoZSt6Gpy74z01sxM3:Q2FJvuNz/hIMuWY72bzMl
TLSH T125B3E74E6E664F7CF399873987F79D309248338627E2D681E1ACDA141E6034E680FB75
telfhash t1b7210b0d8e7822e887755d492b9dfb77e16030df2a262d378d21e96e5e1d8826e00f0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678f243eb5602ee8cdae27c3linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Collects information on the network activity
Connection attempt
Opens a port
Sends data to a server
Kills processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/678f2224bd0788272e58946b/reports/2c502f89-6dfa-40f2-b0b2-595ae67291f5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166
Behaviour
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/a5bb446c-3ba0-4583-a1ff-739baeb582c1
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1595665
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-21 04:28:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54rtin6k6z6tsn2dpraun3fwp3uytz3vwoueixxworfkgt7u6fta._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/250121-e234wswpgs/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Contacts a large (36087) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8e365a2f-8c79-4124-8ea0-42699af00d90
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/ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 ef233437caf67d3937437c4146ecb67ee989e775b3a8445ef6744aa34ff4f166

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3406327/
  
Delivery method
Distributed via web download

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