MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7
SHA3-384 hash: af96aaae971c5307dc1195477f68f924b9e178c08a93226740ca5a1499734fff571ce9e06d5467011540b95935f9982a
SHA1 hash: 301e98b8f1d5fc14ec0cbeb71a0704707e2ceaa2
MD5 hash: 4d6e5008504d30343f474a3ca5cc728d
humanhash: march-happy-two-blue
File name:nklmpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:113'456 bytes
First seen:2026-01-27 00:40:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AYBsQIi0uQgiv5/e+ojFu0H3Or0MlqlYCV7bd881axuxm/ruTcGZfqFX39wu7r8k:A6hrFubkc4hJIAUGARE8tCyX
TLSH T1A0B3F80AAF711EBBE4AFDD3345A50749389D550721B93B3A7674D81CF21A68F06E3CA0
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 :
93
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6978098612c4ad8c08574153/reports/f1809d44-b925-40eb-93c7-4950e80d890b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cdd5d6e3-7f04-4f07-8b06-14c80a25bb6f
Behavior Graph:
Download SVG
%3 guuid=55240e59-1900-0000-01f1-ebd4170b0000 pid=2839 /usr/bin/sudo guuid=9fc8805b-1900-0000-01f1-ebd41c0b0000 pid=2844 /tmp/sample.bin guuid=55240e59-1900-0000-01f1-ebd4170b0000 pid=2839->guuid=9fc8805b-1900-0000-01f1-ebd41c0b0000 pid=2844 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/45153e7e-9897-462a-9361-449287765aa2
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1858074
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-27 00:40:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=toi2wmz47kkehnlja7lcuazdl2myicwh3aqd34peogzbvrboddlq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260127-a1jxeagw7g/
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
Contacts a large (94788) amount of remote hosts
Creates a large amount of network flows
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/9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7

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 9b91ab333cfa9443b56907d62a03235e99840ac7d8203df1e471b21ac42e18d7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739432/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739199/

Comments