MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744
SHA3-384 hash: 6da353be1c5366e66f78f440a41485702b799d3782d2c195ae4365407c5a762be1fd1659927f1ec976075080a1d7c2dd
SHA1 hash: 4e5c794bc3c9b1c17e981f0e0539dc576d5a8fa5
MD5 hash: 42e1821e89ec99b0640073e9f5a3c5c8
humanhash: neptune-fanta-chicken-kentucky
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:136'064 bytes
First seen:2025-11-15 12:58:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lAF2acRfkY6z3xv+ErH4vk9954rlvLFZW8YYQf:yIRfe3xvvSrlvZZ7Uf
TLSH T142D35C0A78D274FCC687D170926E9F61EA3A745C02183DBBA3C2AE711937ED05E15F62
telfhash t1c331eeb14e9a366812c7a712f319bf69f073150205f1f4e99d376de8ce123824fa30a2
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a8d57354be7bacdb407fd88983437a4347b527c6a29db6bd5ef96f8d02f175af
File size (compressed) :63'936 bytes
File size (de-compressed) :136'064 bytes
Format:linux/amd64
Packed file: a8d57354be7bacdb407fd88983437a4347b527c6a29db6bd5ef96f8d02f175af

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file in the %temp% directory
Receives data from a server
Locks files
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
similar-threat
Link:
https://www.filescan.io/uploads/6918792759887d113b34a7c6/reports/3ff9ab4d-67be-46cd-abdc-9ea62ee3800f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-15T10:36:00Z UTC
Last seen:
2025-11-15T11:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b8147968-1ab4-4256-91fe-b60faa640415
Behavior Graph:
Download SVG
%3 guuid=8683385f-1900-0000-b2b6-defd3d110000 pid=4413 /usr/bin/sudo guuid=9ef05161-1900-0000-b2b6-defd46110000 pid=4422 /tmp/sample.bin guuid=8683385f-1900-0000-b2b6-defd3d110000 pid=4413->guuid=9ef05161-1900-0000-b2b6-defd46110000 pid=4422 execve guuid=d901ad61-1900-0000-b2b6-defd48110000 pid=4424 /tmp/sample.bin zombie guuid=9ef05161-1900-0000-b2b6-defd46110000 pid=4422->guuid=d901ad61-1900-0000-b2b6-defd48110000 pid=4424 clone guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425 /tmp/sample.bin net send-data zombie guuid=d901ad61-1900-0000-b2b6-defd48110000 pid=4424->guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425 clone 50f3ef6a-7139-5e62-ad47-3975c1fad842 213.209.143.26:54128 guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425->50f3ef6a-7139-5e62-ad47-3975c1fad842 send: 506B 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 42B guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4426 /tmp/sample.bin guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425->guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4426 clone guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4427 /tmp/sample.bin zombie guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4425->guuid=0afdb461-1900-0000-b2b6-defd49110000 pid=4427 clone
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1814631
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 12:59:22 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh6rirlsicm35lypbkeez6egkif3l2qvjjombmosrq6crd4go5ca._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/251115-p77pda1rhj/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
Link:
https://app.threat.zone/submission/586f543a-41d4-45ee-a027-3ae8f3a376eb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744

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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf a8d57354be7bacdb407fd88983437a4347b527c6a29db6bd5ef96f8d02f175af

Mirai

elf 21fd1445724099beaf0f0a884cf886520bb5ea154a5cc0b1d28c3c288f867744

(this sample)

  
Dropped by
SHA256 a8d57354be7bacdb407fd88983437a4347b527c6a29db6bd5ef96f8d02f175af
  
URLhaus
https://urlhaus.abuse.ch/url/3696645/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 0e2069768bb33ab8f4442a4918fa3baf

Comments