MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd37bdcdd67e821cc3c0b6a72ec4c772d0622e8e9b011f17916e30996816a1f4. 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

SHA256 hash: cd37bdcdd67e821cc3c0b6a72ec4c772d0622e8e9b011f17916e30996816a1f4
SHA3-384 hash: b5a55082dc97d00116ef3a7d572b0b8bebb400010cd14877b975a0d03c1e7a879cff14b06fa73ffe931a9b81b1317306
SHA1 hash: 24fee11eb27c336acf7a327d3a64af75b55ac69b
MD5 hash: a4a4e985fa4b3ed0c566b8be0b9107b8
humanhash: romeo-fourteen-magnesium-louisiana
File name:miraint.sh4
Download: download sample
Signature Mirai
File size:76'712 bytes
First seen:2025-12-24 13:42:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6/Ewp9da1i7OfwtdJFajWa4X5bK5kguK8roL543UCdgn:6s6Dh4SJ/aYgB8c43UP
TLSH T19B73BF33C91BBDD4D45C8A74A9A09E381B93E00186171FF61AD6C66B5043EECF60A7F5
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 :
70
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=06f12994-1900-0000-414d-41b3780b0000 pid=2936 /usr/bin/sudo guuid=1c2af695-1900-0000-414d-41b37e0b0000 pid=2942 /tmp/sample.bin guuid=06f12994-1900-0000-414d-41b3780b0000 pid=2936->guuid=1c2af695-1900-0000-414d-41b37e0b0000 pid=2942 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838834 Sample: miraint.sh4.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 71 169.254.169.254, 80 USDOSUS Reserved 2->71 73 86.54.42.154, 23, 32984, 32986 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 2->73 75 4 other IPs or domains 2->75 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for dropped file 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 2 other signatures 2->87 10 miraint.sh4.elf 2->10         started        12 gdm3 gdm-session-worker 2->12         started        14 systemd accounts-daemon 2->14         started        17 13 other processes 2->17 signatures3 process4 signatures5 19 miraint.sh4.elf 10->19         started        21 gdm-session-worker gdm-x-session 12->21         started        101 Reads system files that contain records of logged in users 14->101 23 accounts-daemon language-validate 14->23         started        process6 process7 25 miraint.sh4.elf 19->25         started        29 gdm-x-session dbus-daemon 21->29         started        31 gdm-x-session Xorg Xorg.wrap Xorg 21->31         started        33 language-validate language-options 23->33         started        file8 67 /etc/init.d/sysd, POSIX 25->67 dropped 91 Sample tries to set files in /etc globally writable 25->91 93 Drops files in suspicious directories 25->93 95 Sample deletes itself 25->95 97 Sample tries to persist itself using System V runlevels 25->97 35 miraint.sh4.elf sh 25->35         started        37 miraint.sh4.elf 25->37         started        99 Sample reads /proc/mounts (often used for finding a writable filesystem) 29->99 41 dbus-daemon 29->41         started        43 Xorg sh 31->43         started        45 language-options sh 33->45         started        signatures9 process10 file11 47 sh cp 35->47         started        61 /usr/bin/wget, POSIX 37->61 dropped 63 /usr/bin/tftp, POSIX 37->63 dropped 65 /usr/bin/curl, POSIX 37->65 dropped 89 Drops files in suspicious directories 37->89 51 miraint.sh4.elf 37->51         started        53 dbus-daemon false 41->53         started        55 sh xkbcomp 43->55         started        57 sh locale 45->57         started        59 sh grep 45->59         started        signatures12 process13 file14 69 /usr/bin/.sh, ELF 47->69 dropped 77 Drops invisible ELF files 47->77 79 Drops files in suspicious directories 47->79 signatures15
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-24 13:43:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7136288-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:unixredflags3
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 cd37bdcdd67e821cc3c0b6a72ec4c772d0622e8e9b011f17916e30996816a1f4

(this sample)

  
Delivery method
Distributed via web download

Comments