MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4fb80f3436077aa3023cb662858ac662a88b9a7fdf2179d06205d7ad624e75d. 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 11 File information Comments

SHA256 hash: f4fb80f3436077aa3023cb662858ac662a88b9a7fdf2179d06205d7ad624e75d
SHA3-384 hash: a57b639e74bcf3b88fdd833933871956fb1267fb59ca05ffa12eb6c6517128927d7b6526535f8558a8dcf3d205527aae
SHA1 hash: 97394bdc052b2591030cca11d33526883ba1467f
MD5 hash: bdb5f429184adde8104a03185450df95
humanhash: mango-alpha-echo-floor
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:82'784 bytes
First seen:2025-12-03 02:39:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:IzH//qj36Be0wT8zj6FvTqlOXMo6WrM51QM0LUGxr7bULr9:IWj36BSTQ6So6qI1QM0pr7bUF
TLSH T1E2836B53B984C0FCC09AD03447BF7236C863B07D1278B19B67D8FE267D89E601BA9995
telfhash t1c42157ba3caa4994c1fbe6667303e1d858652c1112e136f0ee7348d3cf297850d72816
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 711b890873df3573927acfd309bd85e5506fb68a282e5cfc29f59d467e50986d
File size (compressed) :39'248 bytes
File size (de-compressed) :82'784 bytes
Format:linux/amd64
Packed file: 711b890873df3573927acfd309bd85e5506fb68a282e5cfc29f59d467e50986d

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824978 Sample: morte.x86_64.elf Startdate: 03/12/2025 Architecture: LINUX Score: 88 39 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 10 morte.x86_64.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 morte.x86_64.elf 10->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 22 morte.x86_64.elf 18->22         started        file7 37 /etc/init.d/sysd, POSIX 22->37 dropped 47 Sample tries to set files in /etc globally writable 22->47 49 Drops files in suspicious directories 22->49 51 Sample tries to persist itself using System V runlevels 22->51 26 morte.x86_64.elf 22->26         started        28 morte.x86_64.elf sh 22->28         started        signatures8 process9 process10 30 morte.x86_64.elf 26->30         started        33 morte.x86_64.elf 26->33         started        35 sh cp 28->35         started        signatures11 53 Manipulation of devices in /dev 30->53 55 Deletes system log files 30->55 57 Sample tries to kill multiple processes (SIGKILL) 33->57
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux persistence
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes Audit logs
Deletes journal logs
Deletes system logs
Malware Config
C2 Extraction:
asdfavae.duckdns.org
cvawrs.duckdns.org
fasdv.duckdns.org
savaswsd.duckdns.org
vmklsfdv.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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_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: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 f4fb80f3436077aa3023cb662858ac662a88b9a7fdf2179d06205d7ad624e75d

(this sample)

  
Delivery method
Distributed via web download

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