MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9aa8f6da13842a7f773c229c89005b1f667f2211bdfe9519fc6b9bd36f0872c. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: a9aa8f6da13842a7f773c229c89005b1f667f2211bdfe9519fc6b9bd36f0872c
SHA3-384 hash: 1a9f86f8e3981060dab2a4c2f074099789453170be261799598eee2ef1b471ff01c140f9f5ab6c552afeaae2597805c0
SHA1 hash: ef9f152d35fc4121d11d4f9d67e94461eabba4f7
MD5 hash: 894320ab2220e1c13456320290337c44
humanhash: nitrogen-march-emma-december
File name:arm5
Download: download sample
Signature Mirai
File size:132'552 bytes
First seen:2025-12-25 22:14:54 UTC
Last seen:2025-12-26 02:28:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:DKPv7vzV3iZEnfKYzeLVmikmZZfRBoOdTIGSb7+vKLPlpn9yrTJwzp+znFNORb:DKPvHVxS3Bob7T5t9yKl+pAb
TLSH T13DD31851BC829626C5E623BBFA6E018D332667E4D3DE32178D215F217B8690F0E77B40
telfhash t19751e014ef481abdb7e180e4ce6b413e96b5368a17113552da29b7af2e93cc23439c13
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 :
4
# of downloads :
62
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-25T19:37:00Z UTC
Last seen:
2025-12-26T17:52:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.gg HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=92a263a7-2000-0000-f235-47322e0a0000 pid=2606 /usr/bin/sudo guuid=e2360ca9-2000-0000-f235-4732340a0000 pid=2612 /tmp/sample.bin guuid=92a263a7-2000-0000-f235-47322e0a0000 pid=2606->guuid=e2360ca9-2000-0000-f235-4732340a0000 pid=2612 execve
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
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
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839480 Sample: arm5.elf Startdate: 25/12/2025 Architecture: LINUX Score: 88 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 46.151.182.229, 1999, 60686, 60688 CRONON-ASObermuensterstr9DE Ukraine 2->21 23 daisy.ubuntu.com 162.213.35.25, 443, 56114 CANONICAL-ASGB United States 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 2 other signatures 2->31 7 arm5.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 arm5.elf 7->11         started        13 arm5.elf 7->13         started        15 arm5.elf 7->15         started        17 arm5.elf 7->17         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-25 22:16:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:owari
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via unique string 'npxXoudifFeEgGaACScs'
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a9aa8f6da13842a7f773c229c89005b1f667f2211bdfe9519fc6b9bd36f0872c

(this sample)

  
Delivery method
Distributed via web download

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