MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686
SHA3-384 hash: 11afdfdbfc70e461be051db1e66b4dd30ee1b9e399cd9295f68d66408b31192d285a6711e61583d6dd5b3b3af6a204f9
SHA1 hash: d6160a095c2171836d98d0a34a2675455080fba7
MD5 hash: 753d12cbd8dca39528136bbe9bf437be
humanhash: undress-georgia-sierra-butter
File name:nz.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:68'128 bytes
First seen:2026-08-01 00:37:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:N1dNN8zdeop8GHQQw7I5fwCpzAkSntLeMNrKnuYXMa8pceX:N7NN8zdPDwOfwC9AkSntLeMp8uVa82g
TLSH T1C263F141D020ADEE4E7424B5D72A4DC6A70C1DB8533232F31267A5927DFD9CAF2ADC4A
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 UPX
File size (compressed) :68'128 bytes
File size (de-compressed) :182'265 bytes
Format:linux/arm
Unpacked file: c2be6ac32851aa53fd921a7dadc1b5470f0a649b8555ff8606853127db855f2c

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/479d76fb-f8a3-4f85-a725-dde5a216daaf/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sets a written file as executable
Launching a process
Connection attempt
Sends data to a server
Runs as daemon
DNS request
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a6d3fce2d68f50c3d54b46d/reports/cf57a7ec-ecb1-4699-8058-f3259929610a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/adb90b20-b214-40d0-b427-d0731193a072
Behavior Graph:
Download SVG
%3 guuid=40a00d76-1b00-0000-841e-a94e38090000 pid=2360 /usr/bin/sudo guuid=beeaa579-1b00-0000-841e-a94e3d090000 pid=2365 /tmp/sample.bin guuid=40a00d76-1b00-0000-841e-a94e38090000 pid=2360->guuid=beeaa579-1b00-0000-841e-a94e3d090000 pid=2365 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/250207d3-fd8a-4aaa-b0a9-3fa31a40b815
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1950874
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950874 Sample: nz.arm7.elf Startdate: 01/08/2026 Architecture: LINUX Score: 80 31 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->31 33 wqok85qtq.net 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Sample is packed with UPX 2->39 10 nz.arm7.elf 2->10         started        signatures3 process4 process5 12 nz.arm7.elf 10->12         started        process6 14 nz.arm7.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 45 Sample tries to set files in /etc globally writable 14->45 47 Drops files in suspicious directories 14->47 49 Sample tries to persist itself using System V runlevels 14->49 18 nz.arm7.elf 14->18         started        20 nz.arm7.elf sh 14->20         started        signatures8 process9 process10 22 nz.arm7.elf 18->22         started        25 nz.arm7.elf 18->25         started        27 sh cp 20->27         started        signatures11 41 Manipulation of devices in /dev 22->41 43 Deletes system log files 22->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-01 00:38:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqm7nyfllyj3xkz3xoutljdaedsa3jfm7iyrf7j4b2nszprgq2da._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery execution persistence upx
Link:
https://tria.ge/reports/260801-ayqxyaba46/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Family: Mirai
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/b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b419f6e0ab5e13bbab3bbba935a46020e40da4acfa3112fd3c0e9b2cbe268686

(this sample)

Mirai

elf c2be6ac32851aa53fd921a7dadc1b5470f0a649b8555ff8606853127db855f2c

  
URLhaus
https://urlhaus.abuse.ch/url/3892530/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3893010/
  
Dropping
SHA256 c2be6ac32851aa53fd921a7dadc1b5470f0a649b8555ff8606853127db855f2c
  
Dropping
MD5 e8e731432520e0bb46f196931e81d073
  
URLhaus
https://urlhaus.abuse.ch/url/3892232/
  
URLhaus
https://urlhaus.abuse.ch/url/3892525/

Comments