MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0
SHA3-384 hash: b3b01d874ca5a40cf262dd1d032c03134f3d6916684f5e7dee4be5bd9e344d475750b3c0e20359cd60d86596abf76ebc
SHA1 hash: ecf3432474ad7654483baaae21a38591bf75cb02
MD5 hash: 7cd003fd826835842b6b2ff49c41518d
humanhash: nevada-island-avocado-fourteen
File name:miraint.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:89'356 bytes
First seen:2025-12-24 12:39:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:eVrOOTBG4fv3gs3v1bxN/QujQ0zXf2/QT8cxAEQBgk+EYaD4TDHJRJhRV6:0I4f/P3v1tK2Xf2/QiEzE9DuzRV6
TLSH T194933ADAF401CDBDF84BDB7B8463090AB931A75115830F3A22ABFDA76C321954D53E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9f46902b-2b8e-46e4-a40d-dd78db9320fb/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

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

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/694bdf33e126b9ff438fe386/reports/cf49207d-de58-4058-816f-80f5d8cd87bc/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bd6921c3-1ca8-4fbf-b0be-9a7dceaf4a53
Behavior Graph:
Download SVG
%3 guuid=a95476e5-1900-0000-f454-c7b064070000 pid=1892 /usr/bin/sudo guuid=b87bbfe7-1900-0000-f454-c7b06b070000 pid=1899 /tmp/sample.bin guuid=a95476e5-1900-0000-f454-c7b064070000 pid=1892->guuid=b87bbfe7-1900-0000-f454-c7b06b070000 pid=1899 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0d5b4e27-44c4-4b9c-80da-eed19a2c84b3
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1838781
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
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838781 Sample: miraint.m68k.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 123 169.254.169.254, 80 USDOSUS Reserved 2->123 125 86.54.42.154, 23, 56514, 56516 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 2->125 127 3 other IPs or domains 2->127 139 Antivirus detection for dropped file 2->139 141 Antivirus / Scanner detection for submitted sample 2->141 143 Multi AV Scanner detection for submitted file 2->143 145 Yara detected Mirai 2->145 14 gdm3 gdm-session-worker 2->14         started        16 miraint.m68k.elf 2->16         started        18 systemd accounts-daemon 2->18         started        21 16 other processes 2->21 signatures3 process4 signatures5 23 gdm-session-worker gdm-x-session 14->23         started        25 miraint.m68k.elf 16->25         started        131 Reads system files that contain records of logged in users 18->131 27 accounts-daemon language-validate 18->27         started        process6 process7 29 gdm-x-session dbus-run-session 23->29         started        31 gdm-x-session Xorg Xorg.wrap Xorg 23->31         started        33 gdm-x-session Default 23->33         started        35 miraint.m68k.elf 25->35         started        39 language-validate language-options 27->39         started        file8 41 dbus-run-session gnome-session gnome-session-binary 1 29->41         started        43 dbus-run-session dbus-daemon 29->43         started        46 Xorg sh 31->46         started        48 Xorg sh 31->48         started        115 /etc/init.d/sysd, POSIX 35->115 dropped 147 Sample tries to set files in /etc globally writable 35->147 149 Drops files in suspicious directories 35->149 151 Sample deletes itself 35->151 153 Sample tries to persist itself using System V runlevels 35->153 50 miraint.m68k.elf sh 35->50         started        52 miraint.m68k.elf 35->52         started        55 language-options sh 39->55         started        signatures9 process10 file11 71 19 other processes 41->71 155 Sample reads /proc/mounts (often used for finding a writable filesystem) 43->155 57 dbus-daemon 43->57         started        59 dbus-daemon 43->59         started        73 9 other processes 43->73 61 sh xkbcomp 46->61         started        63 sh xkbcomp 48->63         started        65 sh cp 50->65         started        117 /usr/bin/wget, POSIX 52->117 dropped 119 /usr/bin/tftp, POSIX 52->119 dropped 121 /usr/bin/curl, POSIX 52->121 dropped 157 Drops files in suspicious directories 52->157 69 miraint.m68k.elf 52->69         started        75 2 other processes 55->75 signatures12 process13 file14 77 dbus-daemon at-spi-bus-launcher 57->77         started        79 dbus-daemon gjs 59->79         started        113 /usr/bin/.sh, ELF 65->113 dropped 133 Drops invisible ELF files 65->133 135 Drops files in suspicious directories 65->135 137 Sample reads /proc/mounts (often used for finding a writable filesystem) 71->137 82 gnome-shell ibus-daemon 71->82         started        84 gsd-print-notifications 71->84         started        86 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 71->86         started        88 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 71->88         started        90 dbus-daemon false 73->90         started        92 dbus-daemon false 73->92         started        94 7 other processes 73->94 signatures15 process16 signatures17 96 at-spi-bus-launcher dbus-daemon 77->96         started        159 Sample reads /proc/mounts (often used for finding a writable filesystem) 79->159 99 ibus-daemon 82->99         started        101 ibus-daemon ibus-memconf 82->101         started        103 ibus-daemon ibus-engine-simple 82->103         started        105 gsd-print-notifications gsd-printer 84->105         started        process18 signatures19 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 96->129 107 dbus-daemon 96->107         started        109 ibus-daemon ibus-x11 99->109         started        process20 process21 111 dbus-daemon at-spi2-registryd 107->111         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 12:40:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa44tnedzczz4mwhpmphtaadbu6zn5n7my4ux6suuuhmpj7nr6ya._file
Gathering data
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6981989-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/e667b0c0-2a88-4aca-8c37-3ebdd0d11571
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 b839c9b483c8b39e32c77b1e7980030d3d96f5bf66394bfa54a50ec7a7ed8fb0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735494/
  
Delivery method
Distributed via web download

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