MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677. 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: 4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677
SHA3-384 hash: 3ae8d06faf3508e698d11c5207d94bf2a55f3a37ff9c7e81f83e76a6c3f04012b9971d2a991e4b514c86c86ca621eee8
SHA1 hash: 032675d6b87c0660188982ad24cb844d44d2ddc5
MD5 hash: 89ade24e75e2264396fc6a75bf48f219
humanhash: kilo-maryland-jersey-berlin
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:58'672 bytes
First seen:2025-07-25 04:59:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sNKBP+i+fxvg3cj3KGX0d4t7VETduC/YWjCbCeQm:suP+fxvg3cuGFt+r/YWj7m
TLSH T117439E77C4292E58E08581F5B4608F780FA3E94481576FFE1A67C2768087EACF6493F5
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

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

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/68830f732993fd660b9ca408/reports/2e552a00-3c09-468d-85bd-655c6ca23e16/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/82d5d30c-a6a6-4ac5-a370-2c0849f90909
Behavior Graph:
Download SVG
%3 guuid=1f507b54-1900-0000-a08f-4331aa0c0000 pid=3242 /usr/bin/sudo guuid=290fe756-1900-0000-a08f-4331ae0c0000 pid=3246 /tmp/sample.bin guuid=1f507b54-1900-0000-a08f-4331aa0c0000 pid=3242->guuid=290fe756-1900-0000-a08f-4331ae0c0000 pid=3246 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ece54e6d-07a7-4ccc-99fd-ebfed4d4b069
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1743867
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1743867 Sample: sh4.elf Startdate: 25/07/2025 Architecture: LINUX Score: 84 148 bunnybot.ru. [malformed] 2->148 150 bunnybots.ru 83.229.17.45, 38241, 51596 SKYVISIONGB United Kingdom 2->150 158 Antivirus / Scanner detection for submitted sample 2->158 160 Multi AV Scanner detection for submitted file 2->160 162 Yara detected Mirai 2->162 164 Connects to many ports of the same IP (likely port scanning) 2->164 15 systemd gdm3 2->15         started        17 systemd gpu-manager 2->17         started        19 systemd accounts-daemon 2->19         started        22 33 other processes 2->22 signatures3 166 Sends malformed DNS queries 148->166 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        37 3 other processes 15->37 29 gpu-manager sh 17->29         started        31 gpu-manager sh 17->31         started        39 6 other processes 17->39 168 Reads system files that contain records of logged in users 19->168 33 accounts-daemon language-validate 19->33         started        146 /var/log/wtmp, data 22->146 dropped 170 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->170 35 sh4.elf 22->35         started        41 4 other processes 22->41 signatures6 process7 process8 43 gdm-session-worker gdm-x-session 25->43         started        45 gdm-session-worker gdm-wayland-session 27->45         started        47 sh grep 29->47         started        49 sh grep 31->49         started        51 language-validate language-options 33->51         started        53 sh4.elf 35->53         started        55 sh grep 39->55         started        57 sh grep 39->57         started        59 4 other processes 39->59 process9 61 gdm-x-session dbus-run-session 43->61         started        63 gdm-x-session Xorg Xorg.wrap Xorg 43->63         started        65 gdm-x-session Default 43->65         started        67 gdm-wayland-session dbus-run-session 45->67         started        69 language-options sh 51->69         started        71 sh4.elf 53->71         started        signatures10 74 dbus-run-session dbus-daemon 61->74         started        77 dbus-run-session gnome-session gnome-session-binary 1 61->77         started        79 Xorg sh 63->79         started        81 Xorg sh 63->81         started        83 dbus-run-session dbus-daemon 67->83         started        85 dbus-run-session gnome-session gnome-session-binary 1 67->85         started        87 sh locale 69->87         started        89 sh grep 69->89         started        172 Sample tries to kill multiple processes (SIGKILL) 71->172 process11 signatures12 174 Sample tries to kill multiple processes (SIGKILL) 74->174 176 Sample reads /proc/mounts (often used for finding a writable filesystem) 74->176 91 dbus-daemon 74->91         started        93 dbus-daemon 74->93         started        102 9 other processes 74->102 95 gnome-session-binary sh gnome-shell 77->95         started        104 18 other processes 77->104 98 sh xkbcomp 79->98         started        100 sh xkbcomp 81->100         started        106 7 other processes 83->106 108 2 other processes 85->108 process13 signatures14 110 dbus-daemon at-spi-bus-launcher 91->110         started        112 dbus-daemon gjs 93->112         started        178 Sample reads /proc/mounts (often used for finding a writable filesystem) 95->178 115 gnome-shell ibus-daemon 95->115         started        125 9 other processes 102->125 117 gsd-print-notifications 104->117         started        119 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 104->119         started        121 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 104->121         started        123 dbus-daemon false 106->123         started        127 6 other processes 106->127 process15 signatures16 129 at-spi-bus-launcher dbus-daemon 110->129         started        152 Sample reads /proc/mounts (often used for finding a writable filesystem) 112->152 132 ibus-daemon 115->132         started        134 ibus-daemon ibus-memconf 115->134         started        136 ibus-daemon ibus-engine-simple 115->136         started        138 gsd-print-notifications gsd-printer 117->138         started        process17 signatures18 154 Sample tries to kill multiple processes (SIGKILL) 129->154 156 Sample reads /proc/mounts (often used for finding a writable filesystem) 129->156 140 dbus-daemon 129->140         started        142 ibus-daemon ibus-x11 132->142         started        process19 process20 144 dbus-daemon at-spi2-registryd 140->144         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-25 05:00:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2ise7z3tcu7t5utq6fagalcrv5maywm6225b3xsu3dgthacaz3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250725-fnaqvswmz9/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ce80227b-23eb-497c-9a7c-e518f035293b
Please note that we are no longer able to provide a coverage score for Virus Total.

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 4e91227f3b98a9f9f693878a0301628d7ac062ccf6b5d0eef2a6c6699c020677

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585553/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3588654/

Comments