MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcaf40809284280b10b48a7b78bb9fbb04f8a0f1341ecddaa18ed286def8f26e. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: bcaf40809284280b10b48a7b78bb9fbb04f8a0f1341ecddaa18ed286def8f26e
SHA3-384 hash: 8e6cfffd5947337d4a8dd12775c0ef3f4ac888d7a3ccb006c89da6d7a1849515fdf7b6b39d2e0050be0a4d76d5e5aa5f
SHA1 hash: 8a97d3991c2bd44fdb148e569590f971736a1642
MD5 hash: e0f74dbff9d06e1200dfbb0429317adf
humanhash: undress-potato-mockingbird-september
File name:sparc.nn
Download: download sample
Signature Mirai
File size:125'664 bytes
First seen:2025-07-31 05:11:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:J4oxYyE4BWQDXFCdqJgpX6jERoAec2ieqFrvgt9WNWq5ocq3QJwHt4dpqV:Nn1vXAUJl4PzG/WNlorcTE
TLSH T1B2C35B236A7A1E2BC9C069BA21E70766F1F6438A20FC8A4E3D610D4DEF746503157BB5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 masquerade
Status:
terminated
Behavior Graph:
%3 guuid=467aeedc-1900-0000-f10d-560ef8080000 pid=2296 /usr/bin/sudo guuid=213fcade-1900-0000-f10d-560ef9080000 pid=2297 /tmp/sample.bin guuid=467aeedc-1900-0000-f10d-560ef8080000 pid=2296->guuid=213fcade-1900-0000-f10d-560ef9080000 pid=2297 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747515 Sample: sparc.nn.elf Startdate: 31/07/2025 Architecture: LINUX Score: 72 20 194.113.37.21, 38242, 38840 THEHOST-ASUA Germany 2->20 22 Suricata IDS alerts for network traffic 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 sparc.nn.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        signatures3 process4 process5 16 sparc.nn.elf 8->16         started        process6 18 sparc.nn.elf 16->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-31 05:12:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:gorilla_keykey
Author:Your Name
Description:Detects specific hex string in a file
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 bcaf40809284280b10b48a7b78bb9fbb04f8a0f1341ecddaa18ed286def8f26e

(this sample)

  
Delivery method
Distributed via web download

Comments