MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4f5aa481621e3d0482c9e774f470dd84fc38a5b76dffc98a0d7aa129b4214af. 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 15 File information Comments

SHA256 hash: f4f5aa481621e3d0482c9e774f470dd84fc38a5b76dffc98a0d7aa129b4214af
SHA3-384 hash: 42037a66f8f3744282a1c34216c50099c4233cb3de24dd0e5ff43e5e155417a99e904390464344dc3a086ec2e9aa7e2e
SHA1 hash: a44f15bae3608f2148aa88b5d8531c270456eb11
MD5 hash: 8b9e8dd779560b6cac25e54318a64b50
humanhash: uniform-friend-mockingbird-pasta
File name:zerobotv9.x86_64
Download: download sample
Signature Mirai
File size:90'480 bytes
First seen:2025-12-04 00:11:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vUZvp4E9GO2mk00z44H8dC3+TWRHHUclddLA0ZuW8sW:vUg+GO2mk5fcdC9RHRlzLA0ZasW
TLSH T19793390779C0C0FDC499C13887BE7136D962B4BE0239B29A27D8BE266D1AEE01F1D745
telfhash t1c8214b7178151d2450e7ab75f30bf2e4a8121d6115e235e5dd339cf7ce6a7860d63822
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 d7112dd3220ccb0b3e757b006acf9b92af466a285bbb0674258bcc9ad463f616
File size (compressed) :43'508 bytes
File size (de-compressed) :90'480 bytes
Format:linux/amd64
Packed file: d7112dd3220ccb0b3e757b006acf9b92af466a285bbb0674258bcc9ad463f616

Intelligence


File Origin
# of uploads :
1
# of downloads :
28
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
DNS request
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-03T19:50:00Z UTC
Last seen:
2025-12-03T20:10:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825969 Sample: zerobotv9.x86_64.elf Startdate: 04/12/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 0bot.qzz.io 140.233.190.96, 50488, 50490, 69 MIDDLEBURY-COLLEGEUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 zerobotv9.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 zerobotv9.x86_64.elf 8->12         started        14 zerobotv9.x86_64.elf 8->14         started        16 zerobotv9.x86_64.elf 8->16         started        process6 18 zerobotv9.x86_64.elf 12->18         started        20 zerobotv9.x86_64.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-04 00:12:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 f4f5aa481621e3d0482c9e774f470dd84fc38a5b76dffc98a0d7aa129b4214af

(this sample)

  
Delivery method
Distributed via web download

Comments