MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f8fa705d4bbbe024c25f9ecf236bdde7ac2627bdaaa2ed332995d0657b0423. 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 4 File information Comments

SHA256 hash: 66f8fa705d4bbbe024c25f9ecf236bdde7ac2627bdaaa2ed332995d0657b0423
SHA3-384 hash: ffcec31a3361093e2d922b0be201e037d704fce6b0ab290d7a1e0f293ffb8bda3da32518bf249b706a9cc98c16cad8f7
SHA1 hash: 1cd962f71ef3fd0081678610c2712da82402848f
MD5 hash: d21de6a896e34c7a5fcf213c2df2054f
humanhash: happy-louisiana-batman-iowa
File name:morte.arm6
Download: download sample
Signature Mirai
File size:42'972 bytes
First seen:2025-09-08 00:39:37 UTC
Last seen:2025-09-09 06:55:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:e2w7L+5rBC/JCnai64JUbswgW6fB1EQIxFaphetf6TEYoMVbxGvVFVkb9q3UELl7:UEChC16HbF+BDoFohetf6YYokVSFW6L5
TLSH T19013E1FCE40EBD70C6E52834B6B888C974D677E5D0DB70AF8994022426D64F7397868D
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
File size (compressed) :42'972 bytes
File size (de-compressed) :99'036 bytes
Format:linux/arm
Unpacked file: e7f7f95805cd89ccaf64873d2fdbb13679e0f37972c06f8f6dcb27ebb172227f

Intelligence


File Origin
# of uploads :
4
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-07T18:37:00Z UTC
Last seen:
2025-09-07T18:37:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=76063f26-1b00-0000-3f2f-56cf290c0000 pid=3113 /usr/bin/sudo guuid=38b55828-1b00-0000-3f2f-56cf300c0000 pid=3120 /tmp/sample.bin guuid=76063f26-1b00-0000-3f2f-56cf290c0000 pid=3113->guuid=38b55828-1b00-0000-3f2f-56cf300c0000 pid=3120 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772845 Sample: morte.arm6.elf Startdate: 08/09/2025 Architecture: LINUX Score: 60 26 uraniumc2.ddns.net. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Sample is packed with UPX 2->34 8 morte.arm6.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Sends malformed DNS queries 26->36 38 Uses dynamic DNS services 26->38 process4 process5 16 morte.arm6.elf 8->16         started        18 morte.arm6.elf 8->18         started        20 morte.arm6.elf 8->20         started        process6 22 morte.arm6.elf 16->22         started        24 morte.arm6.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-08 00:44:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 66f8fa705d4bbbe024c25f9ecf236bdde7ac2627bdaaa2ed332995d0657b0423

(this sample)

  
Delivery method
Distributed via web download

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