MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d
SHA3-384 hash: 513d00ec0b5bbb3373fdf0d3bc17d85506567f09f7bd0058f131fba9b8d179fac1406325a9fdec3173dc5b53b0df82ff
SHA1 hash: ef78a0a4f1ea91d8dc123c26846bb25f4da9fe24
MD5 hash: 331da1b9528dc2af02ac5558162b86ae
humanhash: summer-wolfram-bulldog-ten
File name:nabx86
Download: download sample
Signature Mirai
Create hunting rule
File size:51'956 bytes
First seen:2026-01-23 14:11:06 UTC
Last seen:2026-01-23 14:29:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:eRNJ1ef3NdpD/rqiu3ao/qixElfgbxDv7uB:INJ1oNbDeiuD72VmZu
TLSH T122337DC5A243ECF5F825017510BBE3722A77F53A10B9EAD6D7A6E831BC22111F24679C
telfhash t1532108f34e7258fcb7e4ad08832a63238a3ad17716a076f941b34dd037e19c151b9836
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 :
2
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6973818f607e8377fadf3132/reports/b95e6475-340d-47c6-acc6-266fdeb278b6/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a6f685c3-007d-4236-82ff-98e2ceac0101
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1856406
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856406 Sample: nabx86.elf Startdate: 23/01/2026 Architecture: LINUX Score: 68 22 88.248.213.67 TTNETTR Turkey 2->22 24 88.248.213.89, 23 TTNETTR Turkey 2->24 26 100 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Connects to many IPs within the same subnet mask (likely port scanning) 2->34 8 nabx86.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 nabx86.elf 8->16         started        process6 18 nabx86.elf 16->18         started        20 nabx86.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-23 14:11:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnkvmxs7ggbeykgydkx2kiaehvybulnrosditfvkbuibidijia6q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260123-rj8ymsdy9c/
Behaviour
Reads runtime system information
Renames itself
Contacts a large (32995) 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.

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:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 2b55565e5f31824c28d81aafa520043d701a2db174868996aa0d10140d09403d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739147/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739148/

Comments