MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01
SHA3-384 hash: 9c0a6723cc330d167445053b299f8307783a4c83461a87457a5ffd75b7a3d26f259a2fecf642febd047aa714593cd926
SHA1 hash: c758db47cb40882b71c231550f0fb47da0af329d
MD5 hash: aef5eb818cf43eb9ca70c46b41d0fa0b
humanhash: october-victor-nine-purple
File name:nabx86
Download: download sample
Signature Mirai
Create hunting rule
File size:55'856 bytes
First seen:2025-12-21 23:50:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CZczz9U2z/teUDfP24fRxnVuVxBbmdXRR:CZc2g/TfjfTVu/U
TLSH T1FC435CCACB47D4F1F819587118BFABB35A36E53510A9EEC3FB949931B803201B149B9C
telfhash t14c2123bf4eb61dbcb7d0a801c34a27e6057ae13706203af18133ad9433e2d919078c3a
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 :
41
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
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/694887efa7163552ba037b74/reports/ea3b150a-759a-49ee-a2c3-e60854b41191/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T21:01:00Z UTC
Last seen:
2025-12-22T23:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Link:
https://opentip.kaspersky.com/c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2223a89b-c210-4c7f-ad4d-3e04ada19474
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1837318
Signature
Antivirus / Scanner detection for submitted sample
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837318 Sample: nabx86.elf Startdate: 22/12/2025 Architecture: LINUX Score: 68 24 85.50.234.210, 23 UNI2-ASES Spain 2->24 26 210.99.158.78, 23 NICNETKoreaTelecomKR Korea Republic of 2->26 28 100 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Connects to many IPs within the same subnet mask (likely port scanning) 2->36 8 systemd snap-failure 2->8         started        10 nabx86.elf 2->10         started        signatures3 process4 process5 12 snap-failure systemctl 8->12         started        14 snap-failure 8->14         started        16 nabx86.elf 10->16         started        process6 18 nabx86.elf 16->18         started        20 nabx86.elf 16->20         started        22 nabx86.elf 16->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 23:51:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcmtqasgkfoidkxsyr5h66cbjxmrcdxqbzu6ck4q2wmf6ub4lmaq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251221-3wbdpabx9a/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Contacts a large (18790) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/e61fc6a3-f823-4f5c-b04d-a1cc37c1ec95
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01

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_88de437f
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 c899380246515c81aaf2c47a7f78414dd9110ef00e69e12b90d5985f503c5b01

(this sample)

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

Comments