MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd
SHA3-384 hash: 3df6e4c3991ec14bb302e1c85bd1108d45f754a0bc8dfbfa45821ab2aa8964f3602def0566e2eb1ceca432f4e037aab0
SHA1 hash: a5bd80207ec2c940009633946d1bc6a9387e79be
MD5 hash: 3bdde7d5cf3307547285f49c8f658ade
humanhash: princess-cup-burger-mirror
File name:m68k.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:202'948 bytes
First seen:2025-09-13 08:56:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ne7tdgl5ipdOKC44UyiZUvrSewAgL1MRA2:ne7G5ipdO9wAK1MRA2
TLSH T121147D96F000DD7DFC8FE73B81574A26B130A36164830B367227F957B9360A64A3EE85
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm lolbin packed remote threat
Link:
https://www.filescan.io/uploads/68c53282dbc6f5a29c4339e8/reports/cfe5c935-1cb8-40f7-b548-412ecf770f9e/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-13T06:34:00Z UTC
Last seen:
2025-09-13T06:34:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1dfa4e09-535b-45a7-bbe6-bcb3ad499cdf
Behavior Graph:
Download SVG
%3 guuid=d77c43a4-1600-0000-874e-5ffe900c0000 pid=3216 /usr/bin/sudo guuid=9190b1a6-1600-0000-874e-5ffe930c0000 pid=3219 /tmp/sample.bin guuid=d77c43a4-1600-0000-874e-5ffe900c0000 pid=3216->guuid=9190b1a6-1600-0000-874e-5ffe930c0000 pid=3219 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b395b700-95bb-4cdf-988b-b4d0d2e2c865
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1776936
Signature
Deletes system log files
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776936 Sample: m68k.urbotnetisass.elf Startdate: 13/09/2025 Architecture: LINUX Score: 76 51 94.154.35.153, 43212 SELECTELRU Ukraine 2->51 53 109.202.202.202, 80 INIT7CH Switzerland 2->53 55 3 other IPs or domains 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 10 m68k.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 16 other processes 2->16 signatures3 process4 process5 18 m68k.urbotnetisass.elf 10->18         started        file6 43 /_dev_shm_.6235_librt.so.1, ELF 18->43 dropped 45 /_dev_shm_.6235_libpthread.so.0, ELF 18->45 dropped 47 /_dev_shm_.6235_libm.so.6, ELF 18->47 dropped 49 6 other malicious files 18->49 dropped 61 Writes identical ELF files to multiple locations 18->61 22 m68k.urbotnetisass.elf 18->22         started        24 m68k.urbotnetisass.elf 18->24         started        26 m68k.urbotnetisass.elf 18->26         started        signatures7 process8 process9 28 m68k.urbotnetisass.elf 22->28         started        31 m68k.urbotnetisass.elf 24->31         started        33 m68k.urbotnetisass.elf 26->33         started        signatures10 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 28->63 65 Deletes system log files 28->65 35 m68k.urbotnetisass.elf 28->35         started        37 m68k.urbotnetisass.elf 28->37         started        39 m68k.urbotnetisass.elf 28->39         started        41 7 other processes 28->41 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-13 09:18:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwgvxcwmmmxsedmexpnrgr5jhkvtnbrxp3zqno5gpjsaxzfpxhgq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250913-k24nba1zb1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/725f7faf-4854-4c67-874f-96b833adaedb
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/4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4d8d5b8acc632f220d84bbdb1347a93aab3686377ef306bba67a640be4afb9cd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618254/
  
Delivery method
Distributed via web download

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