MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9
SHA3-384 hash: 2a82a6651c5e5a56c73940f465d191f1d0c126da766cd26b15aa616c3c4a8d5de48ba19b5ba4d5329ec5db9f5d9975a1
SHA1 hash: e5893c9c087191f9c553b7ba06e0ccd0d8263d74
MD5 hash: c0729dfc4755ef7b2aa796d99c4486e1
humanhash: mexico-pasta-social-wisconsin
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:151'428 bytes
First seen:2025-12-15 18:56:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:iuuYLfhFbfnwN1xUS3k1qOgggs396KO6a6dWRwYMV3XRR6zmUd+34RNNIzvUa7rh:iLAfhFbfRKTB1JqMbtA
TLSH T1D7E3B50E9F619F7DF2BC937587B78B15CA8416922BE1C560E1ACE9009D7034DA42FB6C
telfhash t1ce11350c893813f0d3b11dee6becef76e44170db5a269e338d00f96aaa6d9415e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9933849-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-15T17:04:00Z UTC
Last seen:
2025-12-15T21:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b0c0ee18-0b35-4fea-ac91-b1bdc7d5cebf
Behavior Graph:
Download SVG
%3 guuid=5a8eb4c2-1800-0000-48d8-d69be1080000 pid=2273 /usr/bin/sudo guuid=4bb38fc4-1800-0000-48d8-d69be8080000 pid=2280 /tmp/sample.bin guuid=5a8eb4c2-1800-0000-48d8-d69be1080000 pid=2273->guuid=4bb38fc4-1800-0000-48d8-d69be8080000 pid=2280 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f48ee0c9-90f3-4e9a-80ab-0233307c99c3
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1833341
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833341 Sample: nklmips.elf Startdate: 15/12/2025 Architecture: LINUX Score: 56 14 31.191.242.175 WINDTRE-ASIT Italy 2->14 16 204.221.236.32, 23 VOYANTUS United States 2->16 18 100 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 8 nklmips.elf 2->8         started        signatures3 process4 process5 10 nklmips.elf 8->10         started        process6 12 nklmips.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 18:57:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=75gzegcb4ecrloxsgtrl4g2n3oe7ckovnnfkxqvv5tx6amxrysuq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251215-xlgj3azkbl/
Behaviour
System Network Configuration Discovery
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Contacts a large (386553) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1d95fca7-a1e0-41a3-a58a-c2a419cbb817
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9

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

File information

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

Web download

Mirai

elf ff4d921841e10515baf234e2be1b4ddb89f129d56b4aabc2b5ecefe032f1c4a9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726348/
  
Delivery method
Distributed via web download

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