MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 782a74958217a6513be00f5244f6b6964e58db3aa31eefc5ce006c31c07a711a. 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

SHA256 hash: 782a74958217a6513be00f5244f6b6964e58db3aa31eefc5ce006c31c07a711a
SHA3-384 hash: 9d2e30428ef1466410282dbf0383d59574f025b53a3a449e1fcafe02290452e1b9f9172cac4ea7c03286a6e86f9392e7
SHA1 hash: 96cd4632215fb8d2e82cb841281665abf8837d9d
MD5 hash: 9fbfeca050e1712618c40a9e488b5a5b
humanhash: speaker-berlin-hydrogen-fanta
File name:nova.arm7
Download: download sample
Signature Mirai
File size:105'612 bytes
First seen:2025-12-17 18:24:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:yzSYj2Vjw4m2MN5coaVRceeO/nxw5LebmXog4DFu:KSYj2VjwHooaVRceegxkeaXWFu
TLSH T1B8A31A46B9919F11D4D621BAFAAE408D33136FBCD3FA7111CC209F51278A99B0F77612
telfhash t11501cb829ac419cca7c0035da1ae835f449732fd79a39025bb0d5b4fa5278d57058d37
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Substitutes an application name
Kills critical processes
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T16:34:00Z UTC
Last seen:
2025-12-18T12:48:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=62c78f33-1900-0000-e9ff-a4f4c40a0000 pid=2756 /usr/bin/sudo guuid=14e7a536-1900-0000-e9ff-a4f4c50a0000 pid=2757 /tmp/sample.bin guuid=62c78f33-1900-0000-e9ff-a4f4c40a0000 pid=2756->guuid=14e7a536-1900-0000-e9ff-a4f4c50a0000 pid=2757 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Signature
Multi AV Scanner detection for submitted file
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 Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835162 Sample: nova.arm7.elf Startdate: 17/12/2025 Architecture: LINUX Score: 72 55 156.103.46.166, 23 XNSTGCA United States 2->55 57 209.162.30.111, 23 WINDSTREAMUS United States 2->57 59 100 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 8 nova.arm7.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 73 other processes 2->14 signatures3 process4 signatures5 17 nova.arm7.elf 8->17         started        19 nova.arm7.elf 8->19         started        22 nova.arm7.elf 8->22         started        30 6 other processes 10->30 32 5 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 24 gpu-manager sh 14->24         started        26 gpu-manager sh 14->26         started        28 gpu-manager sh 14->28         started        34 12 other processes 14->34 process6 signatures7 36 nova.arm7.elf 17->36         started        49 4 other processes 17->49 65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        51 6 other processes 30->51 53 5 other processes 32->53 45 sh grep 34->45         started        47 sh grep 34->47         started        process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-17 18:07:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (331407) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
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_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
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 782a74958217a6513be00f5244f6b6964e58db3aa31eefc5ce006c31c07a711a

(this sample)

  
Delivery method
Distributed via web download

Comments