MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3
SHA3-384 hash: b87a3e8e99a418b30ff093ecfb17dd808439987218c1d9e24f1c40d1d7b9ba7a0ae400e9a33b4664e9691b33deb75c5b
SHA1 hash: a25f199c2255c40d58f51b28280e2d93c420a9ea
MD5 hash: 367ab9c98d0a482a7698583ce4e4ce2d
humanhash: montana-ten-california-aspen
File name:nabx86
Download: download sample
Signature Mirai
Create hunting rule
File size:50'612 bytes
First seen:2026-01-25 23:35:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ZEnm+IqKquhkJBr7u1E3B4WDxWaCX4yCm+X5awSJcmyz99kxqJ2zRmg+IOMHxO:ZEnrfJt7ME2USJc5KJcX59kxqqZ/HxO
TLSH T130334AC9B683D4F1E91A01B4253FA7731732EA7A10B5FB57E7699832EC23601A24774C
telfhash t1492133b76e630cbc77d0ac58c76b2ad39a35da670a2160f840b32dc133f0881507b835
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 :
76
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/6976a8c655805a763ff57471/reports/0a12508a-d569-4675-9db1-d0002958e7f4/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
65
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3
Behaviour
Information Gathering
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/b3cfac65-ca6d-43b1-9232-57206f9a8d97
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1857314
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857314 Sample: nabx86.elf Startdate: 26/01/2026 Architecture: LINUX Score: 80 58 slursontel.ru. [malformed] 2->58 60 slursbeback.ru. [malformed] 2->60 62 103 other IPs or domains 2->62 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Connects to many IPs within the same subnet mask (likely port scanning) 2->70 8 nabx86.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 47 other processes 2->16 signatures3 72 Sends malformed DNS queries 60->72 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 74 Drops invisible ELF files 8->74 76 Sample deletes itself 8->76 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        31 5 other processes 12->31 33 6 other processes 14->33 78 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->78 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 28 other processes 16->35 signatures6 process7 signatures8 64 Sample tries to kill multiple processes (SIGKILL) 18->64 47 2 other processes 18->47 37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 6 other processes 33->52 54 24 other processes 35->54 process9 signatures10 80 Sample tries to kill multiple processes (SIGKILL) 47->80
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-25 23:36:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euthytkh73sp3h2yyfcc7ytdg2x43tyoy3barmiglzawvjobvczq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260125-3lapeac16e/
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
Contacts a large (28503) 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:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3

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_389ee3e9
Create hunting rule
Author:Elastic Security
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 25267c4d47fee4fd9f58c1442fe26336afcdcf0ec6c208b1065e416aa5c1a8b3

(this sample)

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

Comments