MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33ca2fc5dc3a455f87656c4796de77ced899dca05516389b6fdb3d0ae332e5c3. 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: 33ca2fc5dc3a455f87656c4796de77ced899dca05516389b6fdb3d0ae332e5c3
SHA3-384 hash: a3a77230b80526af3b4f9c4d06428226ca1edb3d473bf422f93f3883bef46a973f2d5ca8a3b5203e3aad56e29d3c0fdd
SHA1 hash: f6020d9e84d86de568b9b6c0968ae71893bca5f6
MD5 hash: 3c9aca9bb5b6514e721643cbeb805665
humanhash: violet-east-texas-lactose
File name:nz.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:49'968 bytes
First seen:2026-07-26 17:51:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3OjN21+73U1IyjAa47ZtC5gj8Fkk5mrzC:3mN21+73mBcjC5gQFkkge
TLSH T1242302D8706F9862D2A62970C22DC64D57530FE9A1FD2B333729C6AD20C35F919B0DC6
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) :49'968 bytes
File size (de-compressed) :128'492 bytes
Format:linux/arm
Unpacked file: 19df7861313f7d173394de1be660c49ead5d93157740ca573a928c91e6d6d64e

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e48f8369-6325-4e28-9744-954a816bda40/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a664928fd0217ad5218947b/reports/2c3f1bd1-a540-4159-b898-ce9e7fdc74bd/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b4101c87-ed88-4daf-bd6d-e938b2eb000e
Behavior Graph:
Download SVG
%3 guuid=eff119a7-1b00-0000-7fe2-0886570a0000 pid=2647 /usr/bin/sudo guuid=5057b9a8-1b00-0000-7fe2-08865b0a0000 pid=2651 /tmp/sample.bin guuid=eff119a7-1b00-0000-7fe2-0886570a0000 pid=2647->guuid=5057b9a8-1b00-0000-7fe2-08865b0a0000 pid=2651 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f9d6a95-336d-4ad8-b4f7-83435c50fb73
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1948066
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1948066 Sample: nz.arm.elf Startdate: 26/07/2026 Architecture: LINUX Score: 92 26 s3o65awrf56.net 2->26 28 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 3 other signatures 2->38 8 nz.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 nz.arm.elf 8->16         started        18 nz.arm.elf 8->18         started        20 nz.arm.elf 8->20         started        process6 22 nz.arm.elf 16->22         started        24 nz.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/33ca2fc5dc3a455f87656c4796de77ced899dca05516389b6fdb3d0ae332e5c3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33ca2fc5dc3a455f87656c4796de77ced899dca05516389b6fdb3d0ae332e5c3/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-26 17:55:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gpfc7ro4hjcv7b3fnrdznxtxz3mjtxfakuldrg3p3m6qvyzs4xbq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260726-wfrmeayyhy/
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: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 33ca2fc5dc3a455f87656c4796de77ced899dca05516389b6fdb3d0ae332e5c3

(this sample)

Mirai

elf 19df7861313f7d173394de1be660c49ead5d93157740ca573a928c91e6d6d64e

  
URLhaus
https://urlhaus.abuse.ch/url/3892230/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 19df7861313f7d173394de1be660c49ead5d93157740ca573a928c91e6d6d64e
  
Dropping
MD5 5ac13aae240502e49c46d91b198f8ed8

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