MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4faa2d71dfb2aaae13d9fe352a7d24bbbc41171e045bb8bcf532fbf34174844. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: b4faa2d71dfb2aaae13d9fe352a7d24bbbc41171e045bb8bcf532fbf34174844
SHA3-384 hash: 7901013a5af7de35be7018491f53bde2d475105115b2c70da5aeaf9d7dcbbacb0d4ae597d4910614c2d30494c2a81ecc
SHA1 hash: c77d66fba8d5dab2426e53609e28ad1e5d03201a
MD5 hash: e46c4112dafae1f7381e9c82fa289f96
humanhash: high-social-mike-cat
File name:nklsh4
Download: download sample
Signature Mirai
File size:83'156 bytes
First seen:2026-01-11 14:43:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:I3oX4yRfc1EMVDUTiq5UuzJujSANhR+PMqC9ZwxiTAbVR:I4XHU1pDUFO8uDQMq8egTA
TLSH T118838D12CD659D98F16E7E7020B8CF7A4713A445AA4B6CF73C478225001BA9CF59BBF8
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=ac727a32-1900-0000-5d1d-5b30470e0000 pid=3655 /usr/bin/sudo guuid=2b936335-1900-0000-5d1d-5b304e0e0000 pid=3662 /tmp/sample.bin guuid=ac727a32-1900-0000-5d1d-5b30470e0000 pid=3655->guuid=2b936335-1900-0000-5d1d-5b304e0e0000 pid=3662 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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: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 b4faa2d71dfb2aaae13d9fe352a7d24bbbc41171e045bb8bcf532fbf34174844

(this sample)

  
Delivery method
Distributed via web download

Comments