MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acaa4f20c6d7ee0094f62a38d6f0706ed42acaad600f58741a48648cefaab5c2. 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: 10


Intelligence 10 IOCs YARA 20 File information Comments

SHA256 hash: acaa4f20c6d7ee0094f62a38d6f0706ed42acaad600f58741a48648cefaab5c2
SHA3-384 hash: 6cee5b3043a6718898e502eb955c6580481dbcfa79d2af070f258a29321c5a968aad236f50408ae2b9da6767691ef725
SHA1 hash: 7459c9ed3a53cdebebf8c9d2116b62ddc276df1a
MD5 hash: 52e249d9745e9ba0e11ebc2c9395d22a
humanhash: music-fix-ten-mexico
File name:morte.x86
Download: download sample
Signature Mirai
File size:103'700 bytes
First seen:2026-06-29 23:22:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/Iw5rh8wEz6mpWqxo5gGDOxP3DyyA503J:t5rh8wEzRpZZMb03J
TLSH T113A35BC4F243D4F5FC92053421B6FB37DA72E6B92129DEC3D7A89A72EC16542C406A9C
telfhash t17d31dfb9b1ba0ce8ebe05903e28e5b31bd0e6b7b603436f206f718352257251907bc34
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 dc38fd9545732814bee53e08b3cee550cca12e0222a233912a8a91b2a178077f
File size (compressed) :46'016 bytes
File size (de-compressed) :103'700 bytes
Format:linux/i386
Packed file: dc38fd9545732814bee53e08b3cee550cca12e0222a233912a8a91b2a178077f

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Changes access rights for a file
Connection attempt
Opens a port
Changes access rights for a written file
DNS request
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-29T20:57:00Z UTC
Last seen:
2026-07-01T01:43:00Z UTC
Hits:
~10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-29 23:25:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
hjcddajltcsdas.hopto.org
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
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_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
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
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 acaa4f20c6d7ee0094f62a38d6f0706ed42acaad600f58741a48648cefaab5c2

(this sample)

  
Delivery method
Distributed via web download

Comments