MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85456466776f0d5feeb8080a24178d29fbec9e36bcea06f2f92b5353802fbd8f. 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 10 File information Comments

SHA256 hash: 85456466776f0d5feeb8080a24178d29fbec9e36bcea06f2f92b5353802fbd8f
SHA3-384 hash: 9db844c32a18abd8fc1d75931a03fe66a63df751759822a35e0e56d712608cdeae7a2963442bcd4675b0c16fe65567c7
SHA1 hash: 18ebdc34cac41fe2fd2faf485ce1ad40c4d46e20
MD5 hash: 92cfb8c00ab733918b6735ebb0b1d375
humanhash: mexico-seventeen-butter-freddie
File name:astro.x86
Download: download sample
Signature Mirai
File size:62'224 bytes
First seen:2026-01-28 13:57:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AlOjsJuCdrqVZIhOwc/NsgKqHXUWoPpdwVkRW4XZ4k7dhn:AM44CdrqVZIh2/N9Kq33oP/wV4W4Jx7T
TLSH T110532AC4B183F9F1EC02057C317AEB365E33F0B66139D99BD7D599336802E42A906A9C
telfhash t18b11c6fe1a7f09f8a7c4a980c29e7d42146de17b56e032e04a61dd6856abc82507dc3c
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ed812f1ea95712e8d9047e40e11b16deef7d52b78fe9a0c518d2c1cc345a29e6
File size (compressed) :28'028 bytes
File size (de-compressed) :62'224 bytes
Format:linux/i386
Packed file: ed812f1ea95712e8d9047e40e11b16deef7d52b78fe9a0c518d2c1cc345a29e6

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
NL NL
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
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Kills critical processes
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859055 Sample: astro.x86.elf Startdate: 28/01/2026 Architecture: LINUX Score: 72 48 206.173.83.107 XO-AS15US United States 2->48 50 209.248.243.251 WINDSTREAMUS United States 2->50 52 98 other IPs or domains 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected Mirai 2->60 10 astro.x86.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 astro.x86.elf 10->18         started        20 astro.x86.elf 10->20         started        22 astro.x86.elf 10->22         started        process6 24 astro.x86.elf 18->24         started        26 astro.x86.elf 18->26         started        28 astro.x86.elf 20->28         started        30 astro.x86.elf 20->30         started        32 astro.x86.elf 20->32         started        process7 34 astro.x86.elf 24->34         started        36 astro.x86.elf 24->36         started        38 astro.x86.elf 24->38         started        40 astro.x86.elf 28->40         started        42 astro.x86.elf 28->42         started        process8 44 astro.x86.elf 34->44         started        46 astro.x86.elf 34->46         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-28 13:58:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (92406) amount of remote hosts
Creates a large amount of network flows
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 85456466776f0d5feeb8080a24178d29fbec9e36bcea06f2f92b5353802fbd8f

(this sample)

  
Delivery method
Distributed via web download

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