MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a982130622abdd2730a117ac83e5f8e4f892a00a7e8577600ce9eeebe2e033. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 83a982130622abdd2730a117ac83e5f8e4f892a00a7e8577600ce9eeebe2e033
SHA3-384 hash: b157ccdb4d31db57c16888faff9abf5928fc430d31c1285a0047f1013623ac209a6c274c1008c3c7902e42099ff27061
SHA1 hash: 4d9fb29af768fddbf8f38800dbcefc52e0b3c99c
MD5 hash: c62c3c74bf11e61096fd25c40d9c31d7
humanhash: utah-moon-oscar-pluto
File name:nova.arm6
Download: download sample
Signature Mirai
File size:96'136 bytes
First seen:2025-12-23 12:39:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:D3nuH4wE+h8C2bVppYCO6zKoGkOk4tTggWDyXu+9taxnF93XMKiL2yaATY76U5PH:ozh8CiOxwKgotDGV+9taxs2yaATYeUZH
TLSH T1FA932C56B9918F12C5D211BAFE6E018D33136BB8D3EE7212CD206F5037865EB0E77626
telfhash t18c01bd42965c6aac77e00709424d921d85a631e8a30b1936eef9cb4b46016c07061075
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 :
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-23T10:22:00Z UTC
Last seen:
2025-12-23T10:54:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.a HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=af33fa5f-1a00-0000-4619-dcce3e090000 pid=2366 /usr/bin/sudo guuid=523d8562-1a00-0000-4619-dcce45090000 pid=2373 /tmp/sample.bin guuid=af33fa5f-1a00-0000-4619-dcce3e090000 pid=2366->guuid=523d8562-1a00-0000-4619-dcce45090000 pid=2373 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
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: 1838201 Sample: nova.arm6.elf Startdate: 23/12/2025 Architecture: LINUX Score: 88 55 105.171.38.5, 23 unitel-ASAO Angola 2->55 57 165.240.206.176, 23 WISCNET1-ASUS Australia 2->57 59 99 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected Okiru 2->67 8 nova.arm6.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 37 other processes 2->14 signatures3 process4 signatures5 17 nova.arm6.elf 8->17         started        19 nova.arm6.elf 8->19         started        22 nova.arm6.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 3 other processes 10->30 32 4 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 8 other processes 14->34 process6 signatures7 36 nova.arm6.elf 17->36         started        49 4 other processes 17->49 69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        51 2 other processes 30->51 53 4 other processes 32->53 47 sh 34->47         started        process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-23 12:40:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
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 (71835) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135868-0
YARA:
Linux_Trojan_Mirai_0bce98a2
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_Trojan_Mirai_0bce98a2
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 83a982130622abdd2730a117ac83e5f8e4f892a00a7e8577600ce9eeebe2e033

(this sample)

  
Delivery method
Distributed via web download

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