MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5
SHA3-384 hash: 80c63b3c28ae0bb6050c15499a897c59ef41b050b5b0c8304b84715c90f17ce1a632f90a90966a7a301fb37c981d9c42
SHA1 hash: 03c72aee26529b596057e7b048f4ac14535a5e97
MD5 hash: 5f418790885572ba769dedf128ec1d93
humanhash: summer-yankee-april-winter
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:58'444 bytes
First seen:2025-03-23 14:01:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lAnSCNZqliMZEIkwelylO17USXiepQVJui:gZq4oBKqwry8QVQi
TLSH T10A43028E9205CEFCD710D9F657A50BA05E050C7676824D2E28B6E793CE27A609FC2F47
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 :
97
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e0f021bb84e066269e68falinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Opens a port
Sends data to a server
Kills processes
Kills critical processes
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/67e0145f195c2ecf47ef9ce7/reports/716a4b1a-0764-4d37-929a-c220229c41d8/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/be60100a-91b4-433d-83ab-4a3d42ac2b72
Result
Threat name:
Gafgyt, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1646181
Signature
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1646181 Sample: morte.mips.elf Startdate: 23/03/2025 Architecture: LINUX Score: 88 146 176.65.142.252, 50796, 7575 WEBTRAFFICDE Germany 2->146 148 Multi AV Scanner detection for submitted file 2->148 150 Yara detected Okiru 2->150 152 Yara detected Gafgyt 2->152 154 Sample is packed with UPX 2->154 15 systemd gdm3 2->15         started        17 systemd gpu-manager 2->17         started        19 morte.mips.elf 2->19         started        21 34 other processes 2->21 signatures3 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 33 morte.mips.elf 19->33         started        144 /var/log/wtmp, data 21->144 dropped 160 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->160 162 Reads system files that contain records of logged in users 21->162 35 accounts-daemon language-validate 21->35         started        41 4 other processes 21->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 morte.mips.elf 33->51         started        54 morte.mips.elf 33->54         started        56 language-validate language-options 35->56         started        58 sh grep 39->58         started        60 5 other processes 39->60 signatures9 62 gdm-x-session dbus-run-session 43->62         started        64 gdm-x-session Xorg Xorg.wrap Xorg 43->64         started        66 gdm-x-session Default 43->66         started        68 gdm-wayland-session dbus-run-session 45->68         started        156 Sample tries to kill a massive number of system processes 51->156 158 Sample tries to kill multiple processes (SIGKILL) 51->158 70 language-options sh 56->70         started        process10 process11 72 dbus-run-session dbus-daemon 62->72         started        75 dbus-run-session gnome-session gnome-session-binary 1 62->75         started        77 Xorg sh 64->77         started        79 Xorg sh 64->79         started        81 dbus-run-session dbus-daemon 68->81         started        83 dbus-run-session gnome-session gnome-session-binary 1 68->83         started        85 sh locale 70->85         started        87 sh grep 70->87         started        signatures12 164 Sample tries to kill multiple processes (SIGKILL) 72->164 166 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->166 89 dbus-daemon 72->89         started        91 dbus-daemon 72->91         started        100 9 other processes 72->100 93 gnome-session-binary sh gnome-shell 75->93         started        102 18 other processes 75->102 96 sh xkbcomp 77->96         started        98 sh xkbcomp 79->98         started        104 7 other processes 81->104 106 2 other processes 83->106 process13 signatures14 108 dbus-daemon at-spi-bus-launcher 89->108         started        110 dbus-daemon gjs 91->110         started        168 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->168 113 gnome-shell ibus-daemon 93->113         started        123 9 other processes 100->123 115 gsd-print-notifications 102->115         started        117 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 102->117         started        119 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 102->119         started        121 dbus-daemon false 104->121         started        125 6 other processes 104->125 process15 signatures16 127 at-spi-bus-launcher dbus-daemon 108->127         started        170 Sample reads /proc/mounts (often used for finding a writable filesystem) 110->170 130 ibus-daemon 113->130         started        132 ibus-daemon ibus-memconf 113->132         started        134 ibus-daemon ibus-engine-simple 113->134         started        136 gsd-print-notifications gsd-printer 115->136         started        process17 signatures18 172 Sample tries to kill multiple processes (SIGKILL) 127->172 174 Sample reads /proc/mounts (often used for finding a writable filesystem) 127->174 138 dbus-daemon 127->138         started        140 ibus-daemon ibus-x11 130->140         started        process19 process20 142 dbus-daemon at-spi2-registryd 138->142         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-23 14:02:09 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khupqh55msj4elrbim56eyvev6xs4ospa3mmrzoryroc6cuo2dcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250323-rb5w1swqz6/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/684bbfc0-9dd7-44b1-acb2-911dacb3d89a
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/51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 51e8f81fbd6493c22e21433be262a4afaf2e3a4f06d8c8e5d1c45c2f0a8ed0c5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3464791/
  
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