MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66aff17ca0a6c1720c09539d1115ce6978de38de85560d3fb221a44788e20dd. 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 10 File information Comments

SHA256 hash: e66aff17ca0a6c1720c09539d1115ce6978de38de85560d3fb221a44788e20dd
SHA3-384 hash: 26b1c391b869e024ee8f7417ad3d255c24359013aca4c6a5c82f0d2c27316f1bfd1d31f156311365a98cd33bab6a265b
SHA1 hash: bf1e9848dcfc556c12f239b8a3cb70b7eded66f2
MD5 hash: d07b948871a0bdd6f3a4864ed6118421
humanhash: three-early-lion-mirror
File name:db0fa4b8db0333367e9bda3ab68b8042.mips
Download: download sample
Signature Mirai
File size:104'776 bytes
First seen:2025-11-25 06:06:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:xNqgUyaH1uaSFJLRCjKLRkH1C9MKnOnGqTO6W1sipqZkTVRIEe/RPFp:rU7VuaS7FCjKYY9MKnyLipqZyVRIEeZf
TLSH T19CA3940D7E258F7DFBAD863447B78F259648339A3AE0C684D05CE9011EB024E745BFA9
telfhash t16a017118843802f487851ded7bedff76d49140ef5a155e378f00f95ab6a16428e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 abb44bb778d3eb33722c8ff7858138a4353d8f46c73995602d2d84715e295b18
File size (compressed) :35'220 bytes
File size (de-compressed) :104'776 bytes
Format:linux/mips
Packed file: abb44bb778d3eb33722c8ff7858138a4353d8f46c73995602d2d84715e295b18

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
NL NL
Vendor Threat Intelligence
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
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-25T04:19:00Z UTC
Last seen:
2025-11-25T05:53:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=5f43b2ee-1900-0000-93a4-ed08bb090000 pid=2491 /usr/bin/sudo guuid=c937e0f1-1900-0000-93a4-ed08be090000 pid=2494 /tmp/sample.bin guuid=5f43b2ee-1900-0000-93a4-ed08bb090000 pid=2491->guuid=c937e0f1-1900-0000-93a4-ed08be090000 pid=2494 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-25 06:07:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (126734) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 MAL_ELF_LNX_Mirai_Oct10_2
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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 e66aff17ca0a6c1720c09539d1115ce6978de38de85560d3fb221a44788e20dd

(this sample)

Comments