MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f. 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: ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f
SHA3-384 hash: 7dae6296605f4ef4850cc025a49414a092fceead8d1d4e4b9b84c74d749018a61469640a74d57edb7346e87d8df83e87
SHA1 hash: 100726c233670ae6bba60960c0ddcc79708af888
MD5 hash: 3e45f23b6342b789ad0d22c33558d36c
humanhash: video-pizza-fish-magnesium
File name:.udevmon
Download: download sample
Signature Mirai
Create hunting rule
File size:194'752 bytes
First seen:2025-08-03 07:20:36 UTC
Last seen:2025-08-04 03:58:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:e85T+r/0Uhn7tQRgb5A2wsu3RYcUeAQvPMY0A:D5ab0E7tQaAFLGcKQXMY0A
TLSH T1D814A65E6F228F7DF768873047B74E24975D23D626E1D684E2ACC1102F2029E645FBE8
telfhash t11a4181581d7817f0a63a6c9d05adff37d6a330db3e162c378e10e45aa769a835d10c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Sets a written file as executable
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688f0e0773b8ef6f4afc01c0/reports/2953ef95-61ba-4944-b365-ee3b3d47a769/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
77
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.115.36:2004
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c9bd8bed-2763-4062-85d6-baa6df1178a8
Behavior Graph:
Download SVG
%3 guuid=f846be98-1a00-0000-313d-df46830b0000 pid=2947 /usr/bin/sudo guuid=b0e0449b-1a00-0000-313d-df468b0b0000 pid=2955 /tmp/sample.bin guuid=f846be98-1a00-0000-313d-df46830b0000 pid=2947->guuid=b0e0449b-1a00-0000-313d-df468b0b0000 pid=2955 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e201b62f-f13d-46fa-a509-e22805d68469
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1749341
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749341 Sample: .udevmon.elf Startdate: 03/08/2025 Architecture: LINUX Score: 84 36 top1miku.duckdns.org 2->36 38 top1miku.duckdns.org 196.251.115.36, 2004, 52332 xneeloZA Seychelles 2->38 40 daisy.ubuntu.com 2->40 42 Antivirus detection for dropped file 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 10 .udevmon.elf 2->10         started        12 gnome-session-binary sh gsd-rfkill 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 48 Uses dynamic DNS services 36->48 process4 process5 16 .udevmon.elf 10->16         started        18 .udevmon.elf 10->18         started        process6 20 .udevmon.elf 16->20         started        file7 32 /etc/init.d/sysd, POSIX 20->32 dropped 50 Sample tries to set files in /etc globally writable 20->50 52 Drops files in suspicious directories 20->52 54 Sample tries to persist itself using System V runlevels 20->54 24 .udevmon.elf sh 20->24         started        26 .udevmon.elf 20->26         started        signatures8 process9 process10 28 sh cp 24->28         started        file11 34 /usr/bin/.sh, ELF 28->34 dropped 56 Drops invisible ELF files 28->56 58 Drops files in suspicious directories 28->58 signatures12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-03 05:43:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5p23f7tdkro5msdkqqsngzqorh7mb5nu3h2ws7hwhhdrumhfbbhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence
Link:
https://tria.ge/reports/250803-h6vj4a1kw5/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/82fae087-b149-44d3-8919-fca3362a3888
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/ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f

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 ebf5b2fe63545dd6486a8424d3660e89fec0f5b4d9f5697cf639c71a30e5084f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3595570/
  
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