MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c
SHA3-384 hash: bc9510a488d1ddd59fcbd507c8ad2a52807de984bf6c33e25e4afde4a07132268a41ece3f9dcbd4ab8f107703eca09b8
SHA1 hash: b114c8f6e6575e7fb3cbdb49b7d4dda03f7e7187
MD5 hash: 817a33a786c4957fc21a08696bdc53bf
humanhash: red-grey-twelve-hydrogen
File name:nabppc
Download: download sample
Signature Mirai
Create hunting rule
File size:46'032 bytes
First seen:2026-01-05 01:34:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:2Q14NQpDE7qfyTGak/7sGvdakUz6Sf/JUVC/ycbGFvWu+7R3:2IjfvH/TmzZa86cihWu+7R3
TLSH T1E1236D417308C513E2561EF0293F2BE0E7BE9AA02154F3C5B54DF68D82B1E72554BDAD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
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-10008934-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/695b1557127d6a14e0cfdf3e/reports/88381c8f-d7d4-41d6-ae55-22b83dbbeeac/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-04T23:05:00Z UTC
Last seen:
2026-01-05T00:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4d0a9dc5-b362-4da5-9301-a03fd566dd6e
Behavior Graph:
Download SVG
%3 guuid=3ae483d7-1700-0000-3c6b-382d9b070000 pid=1947 /usr/bin/sudo guuid=5f07b6da-1700-0000-3c6b-382d9e070000 pid=1950 /tmp/sample.bin guuid=3ae483d7-1700-0000-3c6b-382d9b070000 pid=1947->guuid=5f07b6da-1700-0000-3c6b-382d9e070000 pid=1950 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e518a1cb-ea42-48ce-b5d2-d5ccfb969126
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1844659
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844659 Sample: nabppc.elf Startdate: 05/01/2026 Architecture: LINUX Score: 60 18 103.116.215.217, 23 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 2->18 20 103.116.85.206, 23 WORLD-ASWorldStarCommunicationIN India 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 nabppc.elf 2->8         started        signatures3 process4 process5 10 nabppc.elf 8->10         started        process6 12 nabppc.elf 10->12         started        14 nabppc.elf 10->14         started        16 nabppc.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-05 01:35:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jogfu4u5jntop7eubdnzvtgvn7jdmfacpzdzpps5gkgognm5ksoa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260105-bz1zzazjf1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/19291066-b334-4950-bebe-0d3ee56ec4f3
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/4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c

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 4b8c5a729d4b66e7fc9408db9accd56fd23614027e4797be5d328ce3359d549c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739223/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740300/

Comments